diff options
| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2003-02-18 22:55:36 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2003-02-18 22:55:36 +0000 |
| commit | 31e31b8a248ffa216223dad49f75efbdfca5df23 (patch) | |
| tree | 7a2e4a2e20da5bd5d61f906f6d75dab2d3418e5f /linux-user | |
| parent | e63c3dc74bfb90e4522d075d0d5a7600c5145745 (diff) | |
This commit was generated by cvs2svn to compensate for changes in r2,
which included commits to RCS files with non-trunk default branches.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/elfload.c | 973 | ||||
| -rw-r--r-- | linux-user/ioctls.h | 282 | ||||
| -rw-r--r-- | linux-user/main.c | 310 | ||||
| -rw-r--r-- | linux-user/qemu.h | 57 | ||||
| -rw-r--r-- | linux-user/signal.c | 105 | ||||
| -rw-r--r-- | linux-user/syscall.c | 1349 | ||||
| -rw-r--r-- | linux-user/syscall_defs.h | 283 | ||||
| -rw-r--r-- | linux-user/syscall_types.h | 64 |
8 files changed, 3423 insertions, 0 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c new file mode 100644 index 0000000000..0ee4f1365b --- /dev/null +++ b/linux-user/elfload.c @@ -0,0 +1,973 @@ +/* This is the Linux kernel elf-loading code, ported into user space */ + +#include <stdio.h> +#include <sys/types.h> +#include <fcntl.h> +#include <sys/stat.h> +#include <errno.h> +#include <unistd.h> +#include <sys/mman.h> +#include <stdlib.h> +#include <string.h> + +#include "gemu.h" + +#include "linux_bin.h" +#include "elf.h" +#include "segment.h" + +/* Necessary parameters */ +#define ALPHA_PAGE_SIZE 4096 +#define X86_PAGE_SIZE 4096 + +#define ALPHA_PAGE_MASK (~(ALPHA_PAGE_SIZE-1)) +#define X86_PAGE_MASK (~(X86_PAGE_SIZE-1)) + +#define ALPHA_PAGE_ALIGN(addr) ((((addr)+ALPHA_PAGE_SIZE)-1)&ALPHA_PAGE_MASK) +#define X86_PAGE_ALIGN(addr) ((((addr)+X86_PAGE_SIZE)-1)&X86_PAGE_MASK) + +#define NGROUPS 32 + +#define X86_ELF_EXEC_PAGESIZE X86_PAGE_SIZE +#define X86_ELF_PAGESTART(_v) ((_v) & ~(unsigned long)(X86_ELF_EXEC_PAGESIZE-1)) +#define X86_ELF_PAGEOFFSET(_v) ((_v) & (X86_ELF_EXEC_PAGESIZE-1)) + +#define ALPHA_ELF_PAGESTART(_v) ((_v) & ~(unsigned long)(ALPHA_PAGE_SIZE-1)) +#define ALPHA_ELF_PAGEOFFSET(_v) ((_v) & (ALPHA_PAGE_SIZE-1)) + +#define INTERPRETER_NONE 0 +#define INTERPRETER_AOUT 1 +#define INTERPRETER_ELF 2 + +#define DLINFO_ITEMS 12 + +/* Where we find X86 libraries... */ +//#define X86_DEFAULT_LIB_DIR "/usr/x86/" +#define X86_DEFAULT_LIB_DIR "/" + +//extern void * mmap4k(); +#define mmap4k(a, b, c, d, e, f) mmap((void *)(a), b, c, d, e, f) + +extern unsigned long x86_stack_size; + +static int load_aout_interp(void * exptr, int interp_fd); + +#ifdef BSWAP_NEEDED +static void bswap_ehdr(Elf32_Ehdr *ehdr) +{ + bswap16s(&ehdr->e_type); /* Object file type */ + bswap16s(&ehdr->e_machine); /* Architecture */ + bswap32s(&ehdr->e_version); /* Object file version */ + bswap32s(&ehdr->e_entry); /* Entry point virtual address */ + bswap32s(&ehdr->e_phoff); /* Program header table file offset */ + bswap32s(&ehdr->e_shoff); /* Section header table file offset */ + bswap32s(&ehdr->e_flags); /* Processor-specific flags */ + bswap16s(&ehdr->e_ehsize); /* ELF header size in bytes */ + bswap16s(&ehdr->e_phentsize); /* Program header table entry size */ + bswap16s(&ehdr->e_phnum); /* Program header table entry count */ + bswap16s(&ehdr->e_shentsize); /* Section header table entry size */ + bswap16s(&ehdr->e_shnum); /* Section header table entry count */ + bswap16s(&ehdr->e_shstrndx); /* Section header string table index */ +} + +static void bswap_phdr(Elf32_Phdr *phdr) +{ + bswap32s(&phdr->p_type); /* Segment type */ + bswap32s(&phdr->p_offset); /* Segment file offset */ + bswap32s(&phdr->p_vaddr); /* Segment virtual address */ + bswap32s(&phdr->p_paddr); /* Segment physical address */ + bswap32s(&phdr->p_filesz); /* Segment size in file */ + bswap32s(&phdr->p_memsz); /* Segment size in memory */ + bswap32s(&phdr->p_flags); /* Segment flags */ + bswap32s(&phdr->p_align); /* Segment alignment */ +} +#endif + +static void * get_free_page(void) +{ + void * retval; + + /* User-space version of kernel get_free_page. Returns a page-aligned + * page-sized chunk of memory. + */ + retval = mmap4k(0, ALPHA_PAGE_SIZE, PROT_READ|PROT_WRITE, + MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); + + if((long)retval == -1) { + perror("get_free_page"); + exit(-1); + } + else { + return(retval); + } +} + +static void free_page(void * pageaddr) +{ + (void)munmap(pageaddr, ALPHA_PAGE_SIZE); +} + +/* + * 'copy_string()' copies argument/envelope strings from user + * memory to free pages in kernel mem. These are in a format ready + * to be put directly into the top of new user memory. + * + */ +static unsigned long copy_strings(int argc,char ** argv,unsigned long *page, + unsigned long p) +{ + char *tmp, *tmp1, *pag = NULL; + int len, offset = 0; + + if (!p) { + return 0; /* bullet-proofing */ + } + while (argc-- > 0) { + if (!(tmp1 = tmp = get_user(argv+argc))) { + fprintf(stderr, "VFS: argc is wrong"); + exit(-1); + } + while (get_user(tmp++)); + len = tmp - tmp1; + if (p < len) { /* this shouldn't happen - 128kB */ + return 0; + } + while (len) { + --p; --tmp; --len; + if (--offset < 0) { + offset = p % X86_PAGE_SIZE; + if (!(pag = (char *) page[p/X86_PAGE_SIZE]) && + !(pag = (char *) page[p/X86_PAGE_SIZE] = + (unsigned long *) get_free_page())) { + return 0; + } + } + if (len == 0 || offset == 0) { + *(pag + offset) = get_user(tmp); + } + else { + int bytes_to_copy = (len > offset) ? offset : len; + tmp -= bytes_to_copy; + p -= bytes_to_copy; + offset -= bytes_to_copy; + len -= bytes_to_copy; + memcpy_fromfs(pag + offset, tmp, bytes_to_copy + 1); + } + } + } + return p; +} + +static int in_group_p(gid_t g) +{ + /* return TRUE if we're in the specified group, FALSE otherwise */ + int ngroup; + int i; + gid_t grouplist[NGROUPS]; + + ngroup = getgroups(NGROUPS, grouplist); + for(i = 0; i < ngroup; i++) { + if(grouplist[i] == g) { + return 1; + } + } + return 0; +} + +static int count(char ** vec) +{ + int i; + + for(i = 0; *vec; i++) { + vec++; + } + + return(i); +} + +static int prepare_binprm(struct linux_binprm *bprm) +{ + struct stat st; + int mode; + int retval, id_change; + + if(fstat(bprm->fd, &st) < 0) { + return(-errno); + } + + mode = st.st_mode; + if(!S_ISREG(mode)) { /* Must be regular file */ + return(-EACCES); + } + if(!(mode & 0111)) { /* Must have at least one execute bit set */ + return(-EACCES); + } + + bprm->e_uid = geteuid(); + bprm->e_gid = getegid(); + id_change = 0; + + /* Set-uid? */ + if(mode & S_ISUID) { + bprm->e_uid = st.st_uid; + if(bprm->e_uid != geteuid()) { + id_change = 1; + } + } + + /* Set-gid? */ + /* + * If setgid is set but no group execute bit then this + * is a candidate for mandatory locking, not a setgid + * executable. + */ + if ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) { + bprm->e_gid = st.st_gid; + if (!in_group_p(bprm->e_gid)) { + id_change = 1; + } + } + + memset(bprm->buf, 0, sizeof(bprm->buf)); + retval = lseek(bprm->fd, 0L, SEEK_SET); + if(retval >= 0) { + retval = read(bprm->fd, bprm->buf, 128); + } + if(retval < 0) { + perror("prepare_binprm"); + exit(-1); + /* return(-errno); */ + } + else { + return(retval); + } +} + +unsigned long setup_arg_pages(unsigned long p, struct linux_binprm * bprm, + struct image_info * info) +{ + unsigned long stack_base; + int i; + extern unsigned long stktop; + + stack_base = X86_STACK_TOP - MAX_ARG_PAGES*X86_PAGE_SIZE; + + p += stack_base; + if (bprm->loader) { + bprm->loader += stack_base; + } + bprm->exec += stack_base; + + /* Create enough stack to hold everything. If we don't use + * it for args, we'll use it for something else... + */ + if(x86_stack_size > MAX_ARG_PAGES*X86_PAGE_SIZE) { + if((long)mmap4k((void *)(X86_STACK_TOP-x86_stack_size), x86_stack_size + X86_PAGE_SIZE, + PROT_READ | PROT_WRITE, + MAP_GROWSDOWN | MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0) == -1) { + perror("stk mmap"); + exit(-1); + } + } + else { + if((long)mmap4k((void *)stack_base, (MAX_ARG_PAGES+1)*X86_PAGE_SIZE, + PROT_READ | PROT_WRITE, + MAP_GROWSDOWN | MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0) == -1) { + perror("stk mmap"); + exit(-1); + } + } + + stktop = stack_base; + + for (i = 0 ; i < MAX_ARG_PAGES ; i++) { + if (bprm->page[i]) { + info->rss++; + + memcpy((void *)stack_base, (void *)bprm->page[i], X86_PAGE_SIZE); + free_page((void *)bprm->page[i]); + } + stack_base += X86_PAGE_SIZE; + } + return p; +} + +static void set_brk(unsigned long start, unsigned long end) +{ + /* page-align the start and end addresses... */ + start = ALPHA_PAGE_ALIGN(start); + end = ALPHA_PAGE_ALIGN(end); + if (end <= start) + return; + if((long)mmap4k(start, end - start, + PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0) == -1) { + perror("cannot mmap brk"); + exit(-1); + } +} + + +/* We need to explicitly zero any fractional pages + after the data section (i.e. bss). This would + contain the junk from the file that should not + be in memory */ + + +static void padzero(unsigned long elf_bss) +{ + unsigned long nbyte; + char * fpnt; + + nbyte = elf_bss & (ALPHA_PAGE_SIZE-1); /* was X86_PAGE_SIZE - JRP */ + if (nbyte) { + nbyte = ALPHA_PAGE_SIZE - nbyte; + fpnt = (char *) elf_bss; + do { + *fpnt++ = 0; + } while (--nbyte); + } +} + +static unsigned int * create_elf_tables(char *p, int argc, int envc, + struct elfhdr * exec, + unsigned long load_addr, + unsigned long interp_load_addr, int ibcs, + struct image_info *info) +{ + unsigned int *argv, *envp, *dlinfo; + unsigned int *sp; + char **alpha_envp; + + /* + * Force 16 byte alignment here for generality. + */ + sp = (unsigned int *) (~15UL & (unsigned long) p); + sp -= exec ? DLINFO_ITEMS*2 : 2; + dlinfo = sp; + sp -= envc+1; + envp = sp; + sp -= argc+1; + argv = sp; + if (!ibcs) { + put_user(envp,--sp); + put_user(argv,--sp); + } + alpha_envp = (char **)malloc((envc+1) * sizeof(char *)); + +#define NEW_AUX_ENT(id, val) \ + put_user ((id), dlinfo++); \ + put_user ((val), dlinfo++) + + if (exec) { /* Put this here for an ELF program interpreter */ + struct elf_phdr * eppnt; + eppnt = (struct elf_phdr *)((unsigned long)exec->e_phoff); + + NEW_AUX_ENT (AT_PHDR, (unsigned int)(load_addr + exec->e_phoff)); + NEW_AUX_ENT (AT_PHENT, (unsigned int)(sizeof (struct elf_phdr))); + NEW_AUX_ENT (AT_PHNUM, (unsigned int)(exec->e_phnum)); + NEW_AUX_ENT (AT_PAGESZ, (unsigned int)(ALPHA_PAGE_SIZE)); + NEW_AUX_ENT (AT_BASE, (unsigned int)(interp_load_addr)); + NEW_AUX_ENT (AT_FLAGS, (unsigned int)0); + NEW_AUX_ENT (AT_ENTRY, (unsigned int) exec->e_entry); + NEW_AUX_ENT (AT_UID, (unsigned int) getuid()); + NEW_AUX_ENT (AT_EUID, (unsigned int) geteuid()); + NEW_AUX_ENT (AT_GID, (unsigned int) getgid()); + NEW_AUX_ENT (AT_EGID, (unsigned int) getegid()); + } + NEW_AUX_ENT (AT_NULL, 0); +#undef NEW_AUX_ENT + put_user((unsigned int)argc,--sp); + info->arg_start = (unsigned int)((unsigned long)p & 0xffffffff); + while (argc-->0) { + put_user(p,argv++); + while (get_user(p++)) /* nothing */ ; + } + put_user(0,argv); + info->arg_end = info->env_start = (unsigned int)((unsigned long)p & 0xffffffff); + __environ = alpha_envp; + while (envc-->0) { + *alpha_envp++ = (char *)p; + put_user(p,envp++); + while (get_user(p++)) /* nothing */ ; + } + put_user(0,envp); + *alpha_envp = 0; + info->env_end = (unsigned int)((unsigned long)p & 0xffffffff); + return sp; +} + + + +static unsigned long load_elf_interp(struct elfhdr * interp_elf_ex, + int interpreter_fd, + unsigned long *interp_load_addr) +{ + struct elf_phdr *elf_phdata = NULL; + struct elf_phdr *eppnt; + unsigned long load_addr; + int load_addr_set = 0; + int retval; + unsigned long last_bss, elf_bss; + unsigned long error; + int i; + + elf_bss = 0; + last_bss = 0; + error = 0; + + /* We put this here so that mmap will search for the *first* + * available memory... + */ + load_addr = INTERP_LOADADDR; + + /* First of all, some simple consistency checks */ + if ((interp_elf_ex->e_type != ET_EXEC && + interp_elf_ex->e_type != ET_DYN) || + !elf_check_arch(interp_elf_ex->e_machine)) { + return ~0UL; + } + + /* Now read in all of the header information */ + + if (sizeof(struct elf_phdr) * interp_elf_ex->e_phnum > X86_PAGE_SIZE) + return ~0UL; + + elf_phdata = (struct elf_phdr *) + malloc(sizeof(struct elf_phdr) * interp_elf_ex->e_phnum); + + if (!elf_phdata) + return ~0UL; + + /* + * If the size of this structure has changed, then punt, since + * we will be doing the wrong thing. + */ + if (interp_elf_ex->e_phentsize != sizeof(struct elf_phdr)) + { + free(elf_phdata); + return ~0UL; + } + + retval = lseek(interpreter_fd, interp_elf_ex->e_phoff, SEEK_SET); + if(retval >= 0) { + retval = read(interpreter_fd, + (char *) elf_phdata, + sizeof(struct elf_phdr) * interp_elf_ex->e_phnum); + } + + if (retval < 0) { + perror("load_elf_interp"); + exit(-1); + free (elf_phdata); + return retval; + } +#ifdef BSWAP_NEEDED + eppnt = elf_phdata; + for (i=0; i<interp_elf_ex->e_phnum; i++, eppnt++) { + bswap_phdr(eppnt); + } +#endif + eppnt = elf_phdata; + for(i=0; i<interp_elf_ex->e_phnum; i++, eppnt++) + if (eppnt->p_type == PT_LOAD) { + int elf_type = MAP_PRIVATE | MAP_DENYWRITE; + int elf_prot = 0; + unsigned long vaddr = 0; + unsigned long k; + + if (eppnt->p_flags & PF_R) elf_prot = PROT_READ; + if (eppnt->p_flags & PF_W) elf_prot |= PROT_WRITE; + if (eppnt->p_flags & PF_X) elf_prot |= PROT_EXEC; + if (interp_elf_ex->e_type == ET_EXEC || load_addr_set) { + elf_type |= MAP_FIXED; + vaddr = eppnt->p_vaddr; + } + error = (unsigned long)mmap4k(load_addr+X86_ELF_PAGESTART(vaddr), + eppnt->p_filesz + X86_ELF_PAGEOFFSET(eppnt->p_vaddr), + elf_prot, + elf_type, + interpreter_fd, + eppnt->p_offset - X86_ELF_PAGEOFFSET(eppnt->p_vaddr)); + + if (error > -1024UL) { + /* Real error */ + close(interpreter_fd); + free(elf_phdata); + return ~0UL; + } + + if (!load_addr_set && interp_elf_ex->e_type == ET_DYN) { + load_addr = error; + load_addr_set = 1; + } + + /* + * Find the end of the file mapping for this phdr, and keep + * track of the largest address we see for this. + */ + k = load_addr + eppnt->p_vaddr + eppnt->p_filesz; + if (k > elf_bss) elf_bss = k; + + /* + * Do the same thing for the memory mapping - between + * elf_bss and last_bss is the bss section. + */ + k = load_addr + eppnt->p_memsz + eppnt->p_vaddr; + if (k > last_bss) last_bss = k; + } + + /* Now use mmap to map the library into memory. */ + + close(interpreter_fd); + + /* + * Now fill out the bss section. First pad the last page up + * to the page boundary, and then perform a mmap to make sure + * that there are zeromapped pages up to and including the last + * bss page. + */ + padzero(elf_bss); + elf_bss = X86_ELF_PAGESTART(elf_bss + ALPHA_PAGE_SIZE - 1); /* What we have mapped so far */ + + /* Map the last of the bss segment */ + if (last_bss > elf_bss) { + mmap4k(elf_bss, last_bss-elf_bss, + PROT_READ|PROT_WRITE|PROT_EXEC, + MAP_FIXED|MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); + } + free(elf_phdata); + + *interp_load_addr = load_addr; + return ((unsigned long) interp_elf_ex->e_entry) + load_addr; +} + + + +static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs, + struct image_info * info) +{ + struct elfhdr elf_ex; + struct elfhdr interp_elf_ex; + struct exec interp_ex; + int interpreter_fd = -1; /* avoid warning */ + unsigned long load_addr; + int load_addr_set = 0; + unsigned int interpreter_type = INTERPRETER_NONE; + unsigned char ibcs2_interpreter; + int i; + void * mapped_addr; + struct elf_phdr * elf_ppnt; + struct elf_phdr *elf_phdata; + unsigned long elf_bss, k, elf_brk; + int retval; + char * elf_interpreter; + unsigned long elf_entry, interp_load_addr = 0; + int status; + unsigned long start_code, end_code, end_data; + unsigned long elf_stack; + char passed_fileno[6]; + + ibcs2_interpreter = 0; + status = 0; + load_addr = 0; + elf_ex = *((struct elfhdr *) bprm->buf); /* exec-header */ +#ifdef BSWAP_NEEDED + bswap_ehdr(&elf_ex); +#endif + + if (elf_ex.e_ident[0] != 0x7f || + strncmp(&elf_ex.e_ident[1], "ELF",3) != 0) { + return -ENOEXEC; + } + + + /* First of all, some simple consistency checks */ + if ((elf_ex.e_type != ET_EXEC && elf_ex.e_type != ET_DYN) || + (! elf_check_arch(elf_ex.e_machine))) { + return -ENOEXEC; + } + + /* Now read in all of the header information */ + + elf_phdata = (struct elf_phdr *)malloc(elf_ex.e_phentsize*elf_ex.e_phnum); + if (elf_phdata == NULL) { + return -ENOMEM; + } + + retval = lseek(bprm->fd, elf_ex.e_phoff, SEEK_SET); + if(retval > 0) { + retval = read(bprm->fd, (char *) elf_phdata, + elf_ex.e_phentsize * elf_ex.e_phnum); + } + + if (retval < 0) { + perror("load_elf_binary"); + exit(-1); + free (elf_phdata); + return -errno; + } + + elf_ppnt = elf_phdata; + + elf_bss = 0; + elf_brk = 0; + + + elf_stack = ~0UL; + elf_interpreter = NULL; + start_code = ~0UL; + end_code = 0; + end_data = 0; + + for(i=0;i < elf_ex.e_phnum; i++) { + if (elf_ppnt->p_type == PT_INTERP) { + if ( elf_interpreter != NULL ) + { + free (elf_phdata); + free(elf_interpreter); + close(bprm->fd); + return -EINVAL; + } + + /* This is the program interpreter used for + * shared libraries - for now assume that this + * is an a.out format binary + */ + + elf_interpreter = (char *)malloc(elf_ppnt->p_filesz+strlen(X86_DEFAULT_LIB_DIR)); + + if (elf_interpreter == NULL) { + free (elf_phdata); + close(bprm->fd); + return -ENOMEM; + } + + strcpy(elf_interpreter, X86_DEFAULT_LIB_DIR); + retval = lseek(bprm->fd, elf_ppnt->p_offset, SEEK_SET); + if(retval >= 0) { + retval = read(bprm->fd, + elf_interpreter+strlen(X86_DEFAULT_LIB_DIR), + elf_ppnt->p_filesz); + } + if(retval < 0) { + perror("load_elf_binary2"); + exit(-1); + } + + /* If the program interpreter is one of these two, + then assume an iBCS2 image. Otherwise assume + a native linux image. */ + + /* JRP - Need to add X86 lib dir stuff here... */ + + if (strcmp(elf_interpreter,"/usr/lib/libc.so.1") == 0 || + strcmp(elf_interpreter,"/usr/lib/ld.so.1") == 0) { + ibcs2_interpreter = 1; + } + +#if 0 + printf("Using ELF interpreter %s\n", elf_interpreter); +#endif + if (retval >= 0) { + retval = open(elf_interpreter, O_RDONLY); + if(retval >= 0) { + interpreter_fd = retval; + } + else { + perror(elf_interpreter); + exit(-1); + /* retval = -errno; */ + } + } + + if (retval >= 0) { + retval = lseek(interpreter_fd, 0, SEEK_SET); + if(retval >= 0) { + retval = read(interpreter_fd,bprm->buf,128); + } + } + if (retval >= 0) { + interp_ex = *((struct exec *) bprm->buf); /* aout exec-header */ + interp_elf_ex=*((struct elfhdr *) bprm->buf); /* elf exec-header */ + } + if (retval < 0) { + perror("load_elf_binary3"); + exit(-1); + free (elf_phdata); + free(elf_interpreter); + close(bprm->fd); + return retval; + } + } + elf_ppnt++; + } + + /* Some simple consistency checks for the interpreter */ + if (elf_interpreter){ + interpreter_type = INTERPRETER_ELF | INTERPRETER_AOUT; + + /* Now figure out which format our binary is */ + if ((N_MAGIC(interp_ex) != OMAGIC) && (N_MAGIC(interp_ex) != ZMAGIC) && + (N_MAGIC(interp_ex) != QMAGIC)) { + interpreter_type = INTERPRETER_ELF; + } + + if (interp_elf_ex.e_ident[0] != 0x7f || + strncmp(&interp_elf_ex.e_ident[1], "ELF",3) != 0) { + interpreter_type &= ~INTERPRETER_ELF; + } + + if (!interpreter_type) { + free(elf_interpreter); + free(elf_phdata); + close(bprm->fd); + return -ELIBBAD; + } + } + + /* OK, we are done with that, now set up the arg stuff, + and then start this sucker up */ + + if (!bprm->sh_bang) { + char * passed_p; + + if (interpreter_type == INTERPRETER_AOUT) { + sprintf(passed_fileno, "%d", bprm->fd); + passed_p = passed_fileno; + + if (elf_interpreter) { + bprm->p = copy_strings(1,&passed_p,bprm->page,bprm->p); + bprm->argc++; + } + } + if (!bprm->p) { + if (elf_interpreter) { + free(elf_interpreter); + } + free (elf_phdata); + close(bprm->fd); + return -E2BIG; + } + } + + /* OK, This is the point of no return */ + info->end_data = 0; + info->end_code = 0; + info->start_mmap = (unsigned long)ELF_START_MMAP; + info->mmap = 0; + elf_entry = (unsigned long) elf_ex.e_entry; + + /* Do this so that we can load the interpreter, if need be. We will + change some of these later */ + info->rss = 0; + bprm->p = setup_arg_pages(bprm->p, bprm, info); + info->start_stack = bprm->p; + + /* Now we do a little grungy work by mmaping the ELF image into + * the correct location in memory. At this point, we assume that + * the image should be loaded at fixed address, not at a variable + * address. + */ + + + + for(i = 0, elf_ppnt = elf_phdata; i < elf_ex.e_phnum; i++, elf_ppnt++) { + if (elf_ppnt->p_type == PT_LOAD) { + int elf_prot = 0; + if (elf_ppnt->p_flags & PF_R) elf_prot |= PROT_READ; + if (elf_ppnt->p_flags & PF_W) elf_prot |= PROT_WRITE; + if (elf_ppnt->p_flags & PF_X) elf_prot |= PROT_EXEC; + + mapped_addr = mmap4k(X86_ELF_PAGESTART(elf_ppnt->p_vaddr), + (elf_ppnt->p_filesz + + X86_ELF_PAGEOFFSET(elf_ppnt->p_vaddr)), + elf_prot, + (MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE), + bprm->fd, + (elf_ppnt->p_offset - + X86_ELF_PAGEOFFSET(elf_ppnt->p_vaddr))); + + if((unsigned long)mapped_addr == 0xffffffffffffffff) { + perror("mmap"); + exit(-1); + } + + + +#ifdef LOW_ELF_STACK + if (X86_ELF_PAGESTART(elf_ppnt->p_vaddr) < elf_stack) + elf_stack = X86_ELF_PAGESTART(elf_ppnt->p_vaddr); +#endif + + if (!load_addr_set) { + load_addr = elf_ppnt->p_vaddr - elf_ppnt->p_offset; + load_addr_set = 1; + } + k = elf_ppnt->p_vaddr; + if (k < start_code) start_code = k; + k = elf_ppnt->p_vaddr + elf_ppnt->p_filesz; + if (k > elf_bss) elf_bss = k; +#if 1 + if ((elf_ppnt->p_flags & PF_X) && end_code < k) +#else + if ( !(elf_ppnt->p_flags & PF_W) && end_code < k) +#endif + end_code = k; + if (end_data < k) end_data = k; + k = elf_ppnt->p_vaddr + elf_ppnt->p_memsz; + if (k > elf_brk) elf_brk = k; + } + } + + if (elf_interpreter) { + if (interpreter_type & 1) { + elf_entry = load_aout_interp(&interp_ex, interpreter_fd); + } + else if (interpreter_type & 2) { + elf_entry = load_elf_interp(&interp_elf_ex, interpreter_fd, + &interp_load_addr); + } + + close(interpreter_fd); + free(elf_interpreter); + + if (elf_entry == ~0UL) { + printf("Unable to load interpreter\n"); + free(elf_phdata); + exit(-1); + return 0; + } + } + + free(elf_phdata); + + if (interpreter_type != INTERPRETER_AOUT) close(bprm->fd); + info->personality = (ibcs2_interpreter ? PER_SVR4 : PER_LINUX); + +#ifdef LOW_ELF_STACK + info->start_stack = bprm->p = elf_stack - 4; +#endif + bprm->p = (unsigned long) + create_elf_tables((char *)bprm->p, + bprm->argc, + bprm->envc, + (interpreter_type == INTERPRETER_ELF ? &elf_ex : NULL), + load_addr, + interp_load_addr, + (interpreter_type == INTERPRETER_AOUT ? 0 : 1), + info); + if (interpreter_type == INTERPRETER_AOUT) + info->arg_start += strlen(passed_fileno) + 1; + info->start_brk = info->brk = elf_brk; + info->end_code = end_code; + info->start_code = start_code; + info->end_data = end_data; + info->start_stack = bprm->p; + + /* Calling set_brk effectively mmaps the pages that we need for the bss and break + sections */ + set_brk(elf_bss, elf_brk); + + padzero(elf_bss); + +#if 0 + printf("(start_brk) %x\n" , info->start_brk); + printf("(end_code) %x\n" , info->end_code); + printf("(start_code) %x\n" , info->start_code); + printf("(end_data) %x\n" , info->end_data); + printf("(start_stack) %x\n" , info->start_stack); + printf("(brk) %x\n" , info->brk); +#endif + + if ( info->personality == PER_SVR4 ) + { + /* Why this, you ask??? Well SVr4 maps page 0 as read-only, + and some applications "depend" upon this behavior. + Since we do not have the power to recompile these, we + emulate the SVr4 behavior. Sigh. */ + mapped_addr = mmap4k(NULL, ALPHA_PAGE_SIZE, PROT_READ | PROT_EXEC, + MAP_FIXED | MAP_PRIVATE, -1, 0); + } + +#ifdef ELF_PLAT_INIT + /* + * The ABI may specify that certain registers be set up in special + * ways (on i386 %edx is the address of a DT_FINI function, for + * example. This macro performs whatever initialization to + * the regs structure is required. + */ + ELF_PLAT_INIT(regs); +#endif + + + info->entry = elf_entry; + + return 0; +} + + + +int elf_exec(const char * filename, char ** argv, char ** envp, + struct pt_regs * regs, struct image_info *infop) +{ + struct linux_binprm bprm; + int retval; + int i; + + bprm.p = X86_PAGE_SIZE*MAX_ARG_PAGES-sizeof(unsigned int); + for (i=0 ; i<MAX_ARG_PAGES ; i++) /* clear page-table */ + bprm.page[i] = 0; + retval = open(filename, O_RDONLY); + if (retval == -1) { + perror(filename); + exit(-1); + /* return retval; */ + } + else { + bprm.fd = retval; + } + bprm.filename = (char *)filename; + bprm.sh_bang = 0; + bprm.loader = 0; + bprm.exec = 0; + bprm.dont_iput = 0; + bprm.argc = count(argv); + bprm.envc = count(envp); + + retval = prepare_binprm(&bprm); + + if(retval>=0) { + bprm.p = copy_strings(1, &bprm.filename, bprm.page, bprm.p); + bprm.exec = bprm.p; + bprm.p = copy_strings(bprm.envc,envp,bprm.page,bprm.p); + bprm.p = copy_strings(bprm.argc,argv,bprm.page,bprm.p); + if (!bprm.p) { + retval = -E2BIG; + } + } + + if(retval>=0) { + retval = load_elf_binary(&bprm,regs,infop); + } + if(retval>=0) { + /* success. Initialize important registers */ + regs->esp = infop->start_stack; + regs->eip = infop->entry; + return retval; + } + + /* Something went wrong, return the inode and free the argument pages*/ + for (i=0 ; i<MAX_ARG_PAGES ; i++) { + free_page((void *)bprm.page[i]); + } + return(retval); +} + + +static int load_aout_interp(void * exptr, int interp_fd) +{ + printf("a.out interpreter not yet supported\n"); + return(0); +} + diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h new file mode 100644 index 0000000000..49deb09da4 --- /dev/null +++ b/linux-user/ioctls.h @@ -0,0 +1,282 @@ + /* emulated ioctl list */ + + IOCTL(TCGETS, IOC_R, MK_PTR(MK_STRUCT(STRUCT_termios))) + IOCTL(TCGETS, IOC_W, MK_PTR(MK_STRUCT(STRUCT_termios))) + IOCTL(TCSETSF, IOC_W, MK_PTR(MK_STRUCT(STRUCT_termios))) + IOCTL(TCSETSW, IOC_W, MK_PTR(MK_STRUCT(STRUCT_termios))) + IOCTL(TIOCGWINSZ, IOC_R, MK_PTR(MK_STRUCT(STRUCT_winsize))) + IOCTL(TIOCSWINSZ, IOC_W, MK_PTR(MK_STRUCT(STRUCT_winsize))) + IOCTL(FIONREAD, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(TCGETA, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(TCSETA, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(TCSETAW, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(TCSETAF, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(TCSBRK, 0, TYPE_INT) + IOCTL(TCSBRKP, 0, TYPE_INT) + IOCTL(TCXONC, 0, TYPE_INT) + IOCTL(TCFLSH, 0, TYPE_INT) + IOCTL(TIOCEXCL, 0, TYPE_NULL) + IOCTL(TIOCNXCL, 0, TYPE_NULL) + IOCTL(TIOCSCTTY, 0, TYPE_INT) + IOCTL(TIOCGPGRP, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(TIOCSPGRP, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(TIOCOUTQ, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(TIOCSTI, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(TIOCMGET, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(TIOCMBIS, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(TIOCMBIC, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(TIOCMSET, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(TIOCGSOFTCAR, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(TIOCSSOFTCAR, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(TIOCLINUX, IOC_R | IOC_W, MK_PTR(TYPE_INT)) + IOCTL(TIOCCONS, 0, TYPE_NULL) + IOCTL(TIOCGSERIAL, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(TIOCSSERIAL, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(TIOCPKT, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(FIONBIO, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(TIOCNOTTY, 0, TYPE_NULL) + IOCTL(TIOCGETD, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(TIOCSETD, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(FIOCLEX, 0, TYPE_NULL) + IOCTL(FIONCLEX, 0, TYPE_NULL) + IOCTL(FIOASYNC, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(TIOCGLCKTRMIOS, IOC_R, MK_PTR(MK_STRUCT(STRUCT_termios))) + IOCTL(TIOCSLCKTRMIOS, IOC_W, MK_PTR(MK_STRUCT(STRUCT_termios))) + IOCTL(TIOCSERCONFIG, 0, TYPE_NULL) + IOCTL(TIOCSERGETLSR, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(TIOCSERGETMULTI, IOC_R, MK_PTR(MK_STRUCT(STRUCT_serial_multiport_struct))) + IOCTL(TIOCSERSETMULTI, IOC_W, MK_PTR(MK_STRUCT(STRUCT_serial_multiport_struct))) + IOCTL(TIOCMIWAIT, 0, TYPE_INT) + IOCTL(TIOCGICOUNT, IOC_R, MK_PTR(MK_STRUCT(STRUCT_serial_icounter_struct))) + + IOCTL(BLKROSET, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(BLKROGET, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(BLKRRPART, 0, TYPE_NULL) + IOCTL(BLKGETSIZE, IOC_R, MK_PTR(TYPE_ULONG)) +#ifdef BLKGETSIZE64 + IOCTL(BLKGETSIZE64, IOC_R, MK_PTR(TYPE_ULONGLONG)) +#endif + IOCTL(BLKFLSBUF, 0, TYPE_NULL) + IOCTL(BLKRASET, 0, TYPE_INT) + IOCTL(BLKRAGET, IOC_R, MK_PTR(TYPE_LONG)) +#ifdef FIBMAP + IOCTL(FIBMAP, IOC_W | IOC_R, MK_PTR(TYPE_LONG)) +#endif +#ifdef FIGETBSZ + IOCTL(FIGETBSZ, IOC_R, MK_PTR(TYPE_LONG)) +#endif + + IOCTL(SIOCADDRT, IOC_W, MK_PTR(MK_STRUCT(STRUCT_rtentry))) + IOCTL(SIOCDELRT, IOC_W, MK_PTR(MK_STRUCT(STRUCT_rtentry))) + IOCTL(SIOCGIFNAME, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SIOCGIFFLAGS, IOC_W | IOC_R, MK_PTR(MK_STRUCT(STRUCT_short_ifreq))) + IOCTL(SIOCSIFFLAGS, IOC_W, MK_PTR(MK_STRUCT(STRUCT_short_ifreq))) + IOCTL(SIOCGIFADDR, IOC_W | IOC_R, MK_PTR(MK_STRUCT(STRUCT_sockaddr_ifreq))) + IOCTL(SIOCSIFADDR, IOC_W, MK_PTR(MK_STRUCT(STRUCT_sockaddr_ifreq))) + IOCTL(SIOCGIFBRDADDR, IOC_W | IOC_R, MK_PTR(MK_STRUCT(STRUCT_sockaddr_ifreq))) + IOCTL(SIOCSIFBRDADDR, IOC_W, MK_PTR(MK_STRUCT(STRUCT_sockaddr_ifreq))) + IOCTL(SIOCGIFDSTADDR, IOC_W | IOC_R, MK_PTR(MK_STRUCT(STRUCT_sockaddr_ifreq))) + IOCTL(SIOCSIFDSTADDR, IOC_W, MK_PTR(MK_STRUCT(STRUCT_sockaddr_ifreq))) + IOCTL(SIOCGIFNETMASK, IOC_W | IOC_R, MK_PTR(MK_STRUCT(STRUCT_sockaddr_ifreq))) + IOCTL(SIOCSIFNETMASK, IOC_W, MK_PTR(MK_STRUCT(STRUCT_sockaddr_ifreq))) + IOCTL(SIOCGIFHWADDR, IOC_W | IOC_R, MK_PTR(MK_STRUCT(STRUCT_sockaddr_ifreq))) + IOCTL(SIOCSIFHWADDR, IOC_W, MK_PTR(MK_STRUCT(STRUCT_sockaddr_ifreq))) + IOCTL(SIOCGIFTXQLEN, IOC_W | IOC_R, MK_PTR(MK_STRUCT(STRUCT_sockaddr_ifreq))) + IOCTL(SIOCSIFTXQLEN, IOC_W, MK_PTR(MK_STRUCT(STRUCT_sockaddr_ifreq))) + IOCTL(SIOCGIFMETRIC, IOC_W | IOC_R, MK_PTR(MK_STRUCT(STRUCT_int_ifreq))) + IOCTL(SIOCSIFMETRIC, IOC_W, MK_PTR(MK_STRUCT(STRUCT_int_ifreq))) + IOCTL(SIOCGIFMTU, IOC_W | IOC_R, MK_PTR(MK_STRUCT(STRUCT_int_ifreq))) + IOCTL(SIOCSIFMTU, IOC_W, MK_PTR(MK_STRUCT(STRUCT_int_ifreq))) + IOCTL(SIOCGIFMAP, IOC_W | IOC_R, MK_PTR(MK_STRUCT(STRUCT_ifmap_ifreq))) + IOCTL(SIOCSIFMAP, IOC_W, MK_PTR(MK_STRUCT(STRUCT_ifmap_ifreq))) + IOCTL(SIOCGIFSLAVE, IOC_W | IOC_R, MK_PTR(MK_STRUCT(STRUCT_char_ifreq))) + IOCTL(SIOCSIFSLAVE, IOC_W, MK_PTR(MK_STRUCT(STRUCT_char_ifreq))) + IOCTL(SIOCGIFMEM, IOC_W | IOC_R, MK_PTR(MK_STRUCT(STRUCT_ptr_ifreq))) + IOCTL(SIOCSIFMEM, IOC_W, MK_PTR(MK_STRUCT(STRUCT_ptr_ifreq))) + IOCTL(SIOCADDMULTI, IOC_W, MK_PTR(MK_STRUCT(STRUCT_sockaddr_ifreq))) + IOCTL(SIOCDELMULTI, IOC_W, MK_PTR(MK_STRUCT(STRUCT_sockaddr_ifreq))) + IOCTL(SIOCSIFLINK, 0, TYPE_NULL) + IOCTL(SIOCGIFCONF, IOC_W | IOC_R, MK_PTR(MK_STRUCT(STRUCT_ifconf))) + IOCTL(SIOCGIFENCAP, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SIOCSIFENCAP, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SIOCDARP, IOC_W, MK_PTR(MK_STRUCT(STRUCT_arpreq))) + IOCTL(SIOCSARP, IOC_W, MK_PTR(MK_STRUCT(STRUCT_arpreq))) + IOCTL(SIOCGARP, IOC_R, MK_PTR(MK_STRUCT(STRUCT_arpreq))) + IOCTL(SIOCDRARP, IOC_W, MK_PTR(MK_STRUCT(STRUCT_arpreq))) + IOCTL(SIOCSRARP, IOC_W, MK_PTR(MK_STRUCT(STRUCT_arpreq))) + IOCTL(SIOCGRARP, IOC_R, MK_PTR(MK_STRUCT(STRUCT_arpreq))) + + IOCTL(CDROMPAUSE, 0, TYPE_NULL) + IOCTL(CDROMSTART, 0, TYPE_NULL) + IOCTL(CDROMSTOP, 0, TYPE_NULL) + IOCTL(CDROMRESUME, 0, TYPE_NULL) + IOCTL(CDROMEJECT, 0, TYPE_NULL) + IOCTL(CDROMEJECT_SW, 0, TYPE_INT) + IOCTL(CDROMCLOSETRAY, 0, TYPE_NULL) + IOCTL(CDROMRESET, 0, TYPE_NULL) + IOCTL(CDROMPLAYMSF, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(CDROMPLAYTRKIND, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(CDROMREADTOCHDR, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(CDROMREADTOCENTRY, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(CDROMVOLCTRL, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(CDROMSUBCHNL, IOC_RW, MK_PTR(TYPE_INT)) + /* XXX: incorrect (need specific handling) */ + IOCTL(CDROMREADAUDIO, IOC_W, MK_PTR(MK_STRUCT(STRUCT_cdrom_read_audio))) + IOCTL(CDROMREADCOOKED, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(CDROMREADRAW, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(CDROMREADMODE1, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(CDROMREADMODE2, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(CDROMREADALL, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(CDROMMULTISESSION, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(CDROM_GET_UPC, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(CDROMVOLREAD, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(CDROMSEEK, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(CDROMPLAYBLK, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(CDROM_MEDIA_CHANGED, 0, TYPE_NULL) + IOCTL(CDROM_SET_OPTIONS, 0, TYPE_INT) + IOCTL(CDROM_CLEAR_OPTIONS, 0, TYPE_INT) + IOCTL(CDROM_SELECT_SPEED, 0, TYPE_INT) + IOCTL(CDROM_SELECT_DISC, 0, TYPE_INT) + IOCTL(CDROM_DRIVE_STATUS, 0, TYPE_NULL) + IOCTL(CDROM_DISC_STATUS, 0, TYPE_NULL) + IOCTL(CDROMAUDIOBUFSIZ, 0, TYPE_INT) + + IOCTL(SNDCTL_COPR_HALT, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_COPR_LOAD, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_COPR_RCODE, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_COPR_RCVMSG, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_COPR_RDATA, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_COPR_RESET, 0, TYPE_NULL) + IOCTL(SNDCTL_COPR_RUN, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_COPR_SENDMSG, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_COPR_WCODE, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_COPR_WDATA, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_CHANNELS, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_GETBLKSIZE, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_GETCAPS, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_GETFMTS, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_GETIPTR, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_GETISPACE, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_GETOPTR, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_GETOSPACE, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_GETTRIGGER, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_MAPINBUF, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_MAPOUTBUF, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_NONBLOCK, 0, TYPE_NULL) + IOCTL(SNDCTL_DSP_POST, 0, TYPE_NULL) + IOCTL(SNDCTL_DSP_RESET, 0, TYPE_NULL) + IOCTL(SNDCTL_DSP_SETDUPLEX, 0, TYPE_NULL) + IOCTL(SNDCTL_DSP_SETFMT, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_SETFRAGMENT, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_SETSYNCRO, 0, TYPE_NULL) + IOCTL(SNDCTL_DSP_SETTRIGGER, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_SPEED, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_STEREO, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_SUBDIVIDE, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_DSP_SYNC, 0, TYPE_NULL) + IOCTL(SNDCTL_FM_4OP_ENABLE, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_FM_LOAD_INSTR, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_MIDI_INFO, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_MIDI_MPUCMD, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_MIDI_MPUMODE, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_MIDI_PRETIME, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_SEQ_CTRLRATE, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_SEQ_GETINCOUNT, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_SEQ_GETOUTCOUNT, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_SEQ_NRMIDIS, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_SEQ_NRSYNTHS, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_SEQ_OUTOFBAND, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_SEQ_PANIC, 0, TYPE_NULL) + IOCTL(SNDCTL_SEQ_PERCMODE, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_SEQ_RESET, 0, TYPE_NULL) + IOCTL(SNDCTL_SEQ_RESETSAMPLES, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_SEQ_SYNC, 0, TYPE_NULL) + IOCTL(SNDCTL_SEQ_TESTMIDI, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_SEQ_THRESHOLD, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_SYNTH_INFO, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_SYNTH_MEMAVL, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_TMR_CONTINUE, 0, TYPE_NULL) + IOCTL(SNDCTL_TMR_METRONOME, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_TMR_SELECT, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_TMR_SOURCE, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_TMR_START, 0, TYPE_NULL) + IOCTL(SNDCTL_TMR_STOP, 0, TYPE_NULL) + IOCTL(SNDCTL_TMR_TEMPO, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SNDCTL_TMR_TIMEBASE, IOC_RW, MK_PTR(TYPE_INT)) + + IOCTL(SOUND_PCM_WRITE_FILTER, IOC_W | IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_PCM_READ_RATE, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_PCM_READ_CHANNELS, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_PCM_READ_BITS, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_PCM_READ_FILTER, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_INFO, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_ACCESS, 0, TYPE_PTRVOID) + IOCTL(SOUND_MIXER_PRIVATE1, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_PRIVATE2, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_PRIVATE3, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_PRIVATE4, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_PRIVATE5, IOC_RW, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_VOLUME, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_BASS, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_TREBLE, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_SYNTH, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_PCM, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_SPEAKER, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_LINE, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_MIC, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_CD, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_IMIX, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_ALTPCM, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_RECLEV, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_IGAIN, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_OGAIN, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_LINE1, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_LINE2, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_LINE3, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_MUTE, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_ENHANCE, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_LOUD, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_RECSRC, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_DEVMASK, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_RECMASK, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_STEREODEVS, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_READ_CAPS, IOC_R, MK_PTR(TYPE_INT)) + + IOCTL(SOUND_MIXER_WRITE_VOLUME, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_BASS, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_TREBLE, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_SYNTH, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_PCM, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_SPEAKER, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_LINE, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_MIC, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_CD, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_IMIX, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_ALTPCM, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_RECLEV, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_IGAIN, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_OGAIN, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_LINE1, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_LINE2, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_LINE3, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_MUTE, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_ENHANCE, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_LOUD, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(SOUND_MIXER_WRITE_RECSRC, IOC_W, MK_PTR(TYPE_INT)) + + IOCTL(HDIO_GETGEO, IOC_R, MK_PTR(MK_STRUCT(STRUCT_hd_geometry))) + IOCTL(HDIO_GET_UNMASKINTR, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(HDIO_GET_MULTCOUNT, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(HDIO_GET_IDENTITY, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(HDIO_GET_KEEPSETTINGS, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(HDIO_GET_NOWERR, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(HDIO_GET_DMA, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(HDIO_GET_32BIT, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(HDIO_DRIVE_CMD, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(HDIO_SET_UNMASKINTR, 0, TYPE_INT) + IOCTL(HDIO_SET_MULTCOUNT, 0, TYPE_INT) + IOCTL(HDIO_SET_KEEPSETTINGS, 0, TYPE_INT) + IOCTL(HDIO_SET_NOWERR, 0, TYPE_INT) + IOCTL(HDIO_SET_DMA, 0, TYPE_INT) + IOCTL(HDIO_SET_32BIT, 0, TYPE_INT) + IOCTL(HDIO_SET_PIO_MODE, 0, TYPE_INT) diff --git a/linux-user/main.c b/linux-user/main.c new file mode 100644 index 0000000000..e3950835e3 --- /dev/null +++ b/linux-user/main.c @@ -0,0 +1,310 @@ +/* + * emu main + * + * Copyright (c) 2003 Fabrice Bellard + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#include <stdlib.h> +#include <stdio.h> +#include <stdarg.h> +#include <elf.h> +#include <endian.h> +#include <errno.h> + +#include "gemu.h" + +#include "i386/hsw_interp.h" + +unsigned long x86_stack_size; +unsigned long stktop; + +void gemu_log(const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); +} + +/* virtual x86 CPU stuff */ + +extern int invoke_code16(Interp_ENV *, int, int); +extern int invoke_code32(Interp_ENV *, int); +extern char *e_print_cpuemu_regs(ENVPARAMS, int is32); +extern char *e_emu_disasm(ENVPARAMS, unsigned char *org, int is32); +extern void init_npu(void); + +Interp_ENV env_global; +Interp_ENV *envp_global; + +QWORD EMUtime = 0; + +int CEmuStat = 0; + +long instr_count; + +/* who will initialize this? */ +unsigned long io_bitmap[IO_BITMAP_SIZE+1]; + +/* debug flag, 0=disable 1..9=level */ +int d_emu = 0; + +unsigned long CRs[5] = +{ + 0x00000013, /* valid bits: 0xe005003f */ + 0x00000000, /* invalid */ + 0x00000000, + 0x00000000, + 0x00000000 +}; + +/* + * DR0-3 = linear address of breakpoint 0-3 + * DR4=5 = reserved + * DR6 b0-b3 = BP active + * b13 = BD + * b14 = BS + * b15 = BT + * DR7 b0-b1 = G:L bp#0 + * b2-b3 = G:L bp#1 + * b4-b5 = G:L bp#2 + * b6-b7 = G:L bp#3 + * b8-b9 = GE:LE + * b13 = GD + * b16-19= LLRW bp#0 LL=00(1),01(2),11(4) + * b20-23= LLRW bp#1 RW=00(x),01(w),11(rw) + * b24-27= LLRW bp#2 + * b28-31= LLRW bp#3 + */ +unsigned long DRs[8] = +{ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0xffff1ff0, + 0x00000400, + 0xffff1ff0, + 0x00000400 +}; + +unsigned long TRs[2] = +{ + 0x00000000, + 0x00000000 +}; + +void FatalAppExit(UINT wAction, LPCSTR lpText) +{ + fprintf(stderr, "Fatal error '%s' in CPU\n", lpText); + exit(1); +} + +int e_debug_check(unsigned char *PC) +{ + register unsigned long d7 = DRs[7]; + + if (d7&0x03) { + if (d7&0x30000) return 0; /* only execute(00) bkp */ + if ((long)PC==DRs[0]) { + e_printf("DBRK: DR0 hit at %p\n",PC); + DRs[6] |= 1; + return 1; + } + } + if (d7&0x0c) { + if (d7&0x300000) return 0; + if ((long)PC==DRs[1]) { + e_printf("DBRK: DR1 hit at %p\n",PC); + DRs[6] |= 2; + return 1; + } + } + if (d7&0x30) { + if (d7&0x3000000) return 0; + if ((long)PC==DRs[2]) { + e_printf("DBRK: DR2 hit at %p\n",PC); + DRs[6] |= 4; + return 1; + } + } + if (d7&0xc0) { + if (d7&0x30000000) return 0; + if ((long)PC==DRs[3]) { + e_printf("DBRK: DR3 hit at %p\n",PC); + DRs[6] |= 8; + return 1; + } + } + return 0; +} + +/* Debug stuff */ +void logstr(unsigned long mask, const char *fmt,...) +{ + va_list ap; + + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); +} + +/* unconditional message into debug log and stderr */ +#undef error +void error(const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); + exit(1); +} + +int PortIO(DWORD port, DWORD value, UINT size, BOOL is_write) +{ + fprintf(stderr, "IO: %s port=0x%lx value=0x%lx size=%d", + is_write ? "write" : "read", port, value, size); + return value; +} + +void LogProcName(WORD wSel, WORD wOff, WORD wAction) +{ + +} + +void INT_handler(int num, void *env) +{ + fprintf(stderr, "EM86: int %d\n", num); +} + +/***********************************************************/ + +/* XXX: currently we use LDT entries */ +#define __USER_CS (0x23|4) +#define __USER_DS (0x2B|4) + +void usage(void) +{ + printf("gemu version 0.1, Copyright (c) 2003 Fabrice Bellard\n" + "usage: gemu program [arguments...]\n" + "Linux x86 emulator\n" + ); + exit(1); +} + +int main(int argc, char **argv) +{ + const char *filename; + struct pt_regs regs1, *regs = ®s1; + struct image_info info1, *info = &info1; + Interp_ENV *env; + + if (argc <= 1) + usage(); + + filename = argv[1]; + + /* Zero out regs */ + memset(regs, 0, sizeof(struct pt_regs)); + + /* Zero out image_info */ + memset(info, 0, sizeof(struct image_info)); + + if(elf_exec(filename, argv+1, __environ, regs, info) != 0) { + printf("Error loading %s\n", filename); + exit(1); + } + +#if 0 + printf("start_brk 0x%08lx\n" , info->start_brk); + printf("end_code 0x%08lx\n" , info->end_code); + printf("start_code 0x%08lx\n" , info->start_code); + printf("end_data 0x%08lx\n" , info->end_data); + printf("start_stack 0x%08lx\n" , info->start_stack); + printf("brk 0x%08lx\n" , info->brk); + printf("esp 0x%08lx\n" , regs->esp); + printf("eip 0x%08lx\n" , regs->eip); +#endif + + target_set_brk((char *)info->brk); + syscall_init(); + + env = &env_global; + envp_global = env; + memset(env, 0, sizeof(Interp_ENV)); + + env->rax.e = regs->eax; + env->rbx.e = regs->ebx; + env->rcx.e = regs->ecx; + env->rdx.e = regs->edx; + env->rsi.esi = regs->esi; + env->rdi.edi = regs->edi; + env->rbp.ebp = regs->ebp; + env->rsp.esp = regs->esp; + env->cs.cs = __USER_CS; + env->ds.ds = __USER_DS; + env->es.es = __USER_DS; + env->ss.ss = __USER_DS; + env->fs.fs = __USER_DS; + env->gs.gs = __USER_DS; + env->trans_addr = regs->eip; + + LDT[__USER_CS >> 3].w86Flags = DF_PRESENT | DF_PAGES | DF_32; + LDT[__USER_CS >> 3].dwSelLimit = 0xfffff; + LDT[__USER_CS >> 3].lpSelBase = NULL; + + LDT[__USER_DS >> 3].w86Flags = DF_PRESENT | DF_PAGES | DF_32; + LDT[__USER_DS >> 3].dwSelLimit = 0xfffff; + LDT[__USER_DS >> 3].lpSelBase = NULL; + init_npu(); + + for(;;) { + int err; + uint8_t *pc; + + err = invoke_code32(env, -1); + env->trans_addr = env->return_addr; + pc = env->seg_regs[0] + env->trans_addr; + switch(err) { + case EXCP0D_GPF: + if (pc[0] == 0xcd && pc[1] == 0x80) { + /* syscall */ + env->trans_addr += 2; + env->rax.e = do_syscall(env->rax.e, + env->rbx.e, + env->rcx.e, + env->rdx.e, + env->rsi.esi, + env->rdi.edi, + env->rbp.ebp); + } else { + goto trap_error; + } + break; + default: + trap_error: + fprintf(stderr, "GEMU: Unknown error %d, aborting\n", err); + d_emu = 9; + fprintf(stderr, "%s\n%s\n", + e_print_cpuemu_regs(env, 1), + e_emu_disasm(env,pc,1)); + abort(); + } + } + return 0; +} diff --git a/linux-user/qemu.h b/linux-user/qemu.h new file mode 100644 index 0000000000..fa40d4d845 --- /dev/null +++ b/linux-user/qemu.h @@ -0,0 +1,57 @@ +#ifndef GEMU_H +#define GEMU_H + +#include "thunk.h" + +struct pt_regs { + long ebx; + long ecx; + long edx; + long esi; + long edi; + long ebp; + long eax; + int xds; + int xes; + long orig_eax; + long eip; + int xcs; + long eflags; + long esp; + int xss; +}; + +/* This struct is used to hold certain information about the image. + * Basically, it replicates in user space what would be certain + * task_struct fields in the kernel + */ +struct image_info { + unsigned long start_code; + unsigned long end_code; + unsigned long end_data; + unsigned long start_brk; + unsigned long brk; + unsigned long start_mmap; + unsigned long mmap; + unsigned long rss; + unsigned long start_stack; + unsigned long arg_start; + unsigned long arg_end; + unsigned long env_start; + unsigned long env_end; + unsigned long entry; + int personality; +}; + +int elf_exec(const char * filename, char ** argv, char ** envp, + struct pt_regs * regs, struct image_info *infop); + +void target_set_brk(char *new_brk); +void syscall_init(void); +long do_syscall(int num, long arg1, long arg2, long arg3, + long arg4, long arg5, long arg6); +void gemu_log(const char *fmt, ...) __attribute__((format(printf,1,2))); + + + +#endif diff --git a/linux-user/signal.c b/linux-user/signal.c new file mode 100644 index 0000000000..2e0d599553 --- /dev/null +++ b/linux-user/signal.c @@ -0,0 +1,105 @@ +/* + * Emulation of Linux signal handling + * + * Copyright (c) 2003 Fabrice Bellard + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#include <stdlib.h> +#include <stdio.h> +#include <stdarg.h> +#include <signal.h> +#include <sys/ucontext.h> + +/* Algorithm strongly inspired from em86 : we queue the signals so + that we can handle them at precise points in the emulated code. */ + +struct emulated_sigaction { + struct target_sigaction sa; + int nb_pending; + struct target_siginfo info; +}; + +struct emulated_sigaction sigact_table[NSIG]; +int signal_pending; + +static inline int host_to_target_signal(int sig) +{ + return sig; +} + +static inline int target_to_host_signal(int sig) +{ + return sig; +} + +void signal_init(void) +{ + struct sigaction act; + int i; + + /* set all host signal handlers */ + sigemptyset(&act.sa_mask); + act.sa_flags = SA_SIGINFO; + act.sa_sigaction = host_signal_handler; + for(i = 1; i < NSIG; i++) { + sigaction(i, &sa, NULL); + } + + memset(sigact_table, 0, sizeof(sigact_table)); +} + +static void host_signal_handler(int host_signum, siginfo_t *info, + void *puc) +{ + struct ucontext *uc = puc; + int signum; + /* get target signal number */ + signum = host_to_target(host_signum); + if (signum >= TARGET_NSIG) + return; + /* we save the old mask */ + + +} + + +void process_pending_signals(void) +{ + int signum; + target_ulong _sa_handler; + + struct emulated_sigaction *esig; + + if (!signal_pending) + return; + + esig = sigact_table; + for(signum = 1; signum < TARGET_NSIG; signum++) { + if (esig->nb_pending != 0) + goto handle_signal; + esig++; + } + /* if no signal is pending, just return */ + signal_pending = 0; + return; + handle_signal: + _sa_handler = esig->sa._sa_handler; + if (_sa_handler == TARGET_SIG_DFL) { + /* default handling + } + + +} diff --git a/linux-user/syscall.c b/linux-user/syscall.c new file mode 100644 index 0000000000..d5909b2215 --- /dev/null +++ b/linux-user/syscall.c @@ -0,0 +1,1349 @@ +/* + * Linux syscalls + * + * Copyright (c) 2003 Fabrice Bellard + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#include <stdlib.h> +#include <stdio.h> +#include <stdarg.h> +#include <elf.h> +#include <endian.h> +#include <errno.h> +#include <unistd.h> +#include <fcntl.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <sys/time.h> +#include <sys/stat.h> +#include <sys/mount.h> +#include <sys/resource.h> +#include <sys/mman.h> +#include <sys/swap.h> +#include <signal.h> +#include <sched.h> +#include <sys/socket.h> +#include <sys/uio.h> +#include <sys/user.h> + +#define termios host_termios +#define winsize host_winsize +#define termio host_termio + +#include <linux/termios.h> +#include <linux/unistd.h> +#include <linux/utsname.h> +#include <linux/cdrom.h> +#include <linux/hdreg.h> +#include <linux/soundcard.h> + +#include "gemu.h" + +#define DEBUG + +#ifndef PAGE_SIZE +#define PAGE_SIZE 4096 +#define PAGE_MASK ~(PAGE_SIZE - 1) +#endif + +struct dirent { + long d_ino; + long d_off; + unsigned short d_reclen; + char d_name[256]; /* We must not include limits.h! */ +}; + +#include "syscall_defs.h" + +#ifdef TARGET_I386 +#include "syscall-i386.h" +#endif + +#define __NR_sys_uname __NR_uname +#define __NR_sys_getcwd __NR_getcwd +#define __NR_sys_statfs __NR_statfs +#define __NR_sys_fstatfs __NR_fstatfs + +_syscall0(int, gettid) +_syscall1(int,sys_uname,struct new_utsname *,buf) +_syscall2(int,sys_getcwd,char *,buf,size_t,size) +_syscall3(int, getdents, uint, fd, struct dirent *, dirp, uint, count); +_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, + loff_t *, res, uint, wh); +_syscall2(int,sys_statfs,const char *,path,struct statfs *,buf) +_syscall2(int,sys_fstatfs,int,fd,struct statfs *,buf) + +static inline long get_errno(long ret) +{ + if (ret == -1) + return -errno; + else + return ret; +} + +static inline int is_error(long ret) +{ + return (unsigned long)ret >= (unsigned long)(-4096); +} + +static char *target_brk; +static char *target_original_brk; + +void target_set_brk(char *new_brk) +{ + target_brk = new_brk; + target_original_brk = new_brk; +} + +static long do_brk(char *new_brk) +{ + char *brk_page; + long mapped_addr; + int new_alloc_size; + + if (!new_brk) + return (long)target_brk; + if (new_brk < target_original_brk) + return -ENOMEM; + + brk_page = (char *)(((unsigned long)target_brk + PAGE_SIZE - 1) & PAGE_MASK); + + /* If the new brk is less than this, set it and we're done... */ + if (new_brk < brk_page) { + target_brk = new_brk; + return (long)target_brk; + } + + /* We need to allocate more memory after the brk... */ + new_alloc_size = ((new_brk - brk_page + 1)+(PAGE_SIZE-1)) & PAGE_MASK; + mapped_addr = get_errno((long)mmap((caddr_t)brk_page, new_alloc_size, + PROT_READ|PROT_WRITE, + MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); + + if (is_error(mapped_addr)) { + return mapped_addr; + } else { + target_brk = new_brk; + return (long)target_brk; + } +} + +static inline fd_set *target_to_host_fds(fd_set *fds, + target_long *target_fds, int n) +{ +#if !defined(BSWP_NEEDED) && !defined(WORD_BIGENDIAN) + return (fd_set *)target_fds; +#else + int i, b; + if (target_fds) { + FD_ZERO(fds); + for(i = 0;i < n; i++) { + b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >> + (i & (TARGET_LONG_BITS - 1))) & 1; + if (b) + FD_SET(i, fds); + } + return fds; + } else { + return NULL; + } +#endif +} + +static inline void host_to_target_fds(target_long *target_fds, + fd_set *fds, int n) +{ +#if !defined(BSWP_NEEDED) && !defined(WORD_BIGENDIAN) + /* nothing to do */ +#else + int i, nw, j, k; + target_long v; + + if (target_fds) { + nw = n / TARGET_LONG_BITS; + k = 0; + for(i = 0;i < nw; i++) { + v = 0; + for(j = 0; j < TARGET_LONG_BITS; j++) { + v |= ((FD_ISSET(k, fds) != 0) << j); + k++; + } + target_fds[i] = tswapl(v); + } + } +#endif +} + +/* XXX: incorrect for some archs */ +static void host_to_target_old_sigset(target_ulong *old_sigset, + const sigset_t *sigset) +{ + *old_sigset = tswap32(*(unsigned long *)sigset & 0xffffffff); +} + +static void target_to_host_old_sigset(sigset_t *sigset, + const target_ulong *old_sigset) +{ + sigemptyset(sigset); + *(unsigned long *)sigset = tswapl(*old_sigset); +} + + +static long do_select(long n, + target_long *target_rfds, target_long *target_wfds, + target_long *target_efds, struct target_timeval *target_tv) +{ + fd_set rfds, wfds, efds; + fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; + struct timeval tv, *tv_ptr; + long ret; + + rfds_ptr = target_to_host_fds(&rfds, target_rfds, n); + wfds_ptr = target_to_host_fds(&wfds, target_wfds, n); + efds_ptr = target_to_host_fds(&efds, target_efds, n); + + if (target_tv) { + tv.tv_sec = tswapl(target_tv->tv_sec); + tv.tv_usec = tswapl(target_tv->tv_usec); + tv_ptr = &tv; + } else { + tv_ptr = NULL; + } + ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); + if (!is_error(ret)) { + host_to_target_fds(target_rfds, rfds_ptr, n); + host_to_target_fds(target_wfds, wfds_ptr, n); + host_to_target_fds(target_efds, efds_ptr, n); + + if (target_tv) { + target_tv->tv_sec = tswapl(tv.tv_sec); + target_tv->tv_usec = tswapl(tv.tv_usec); + } + } + return ret; +} + +static long do_socketcall(int num, long *vptr) +{ + long ret; + + switch(num) { + case SOCKOP_socket: + ret = get_errno(socket(vptr[0], vptr[1], vptr[2])); + break; + case SOCKOP_bind: + ret = get_errno(bind(vptr[0], (struct sockaddr *)vptr[1], vptr[2])); + break; + case SOCKOP_connect: + ret = get_errno(connect(vptr[0], (struct sockaddr *)vptr[1], vptr[2])); + break; + case SOCKOP_listen: + ret = get_errno(listen(vptr[0], vptr[1])); + break; + case SOCKOP_accept: + { + socklen_t size; + size = tswap32(*(int32_t *)vptr[2]); + ret = get_errno(accept(vptr[0], (struct sockaddr *)vptr[1], &size)); + if (!is_error(ret)) + *(int32_t *)vptr[2] = size; + } + break; + case SOCKOP_getsockname: + { + socklen_t size; + size = tswap32(*(int32_t *)vptr[2]); + ret = get_errno(getsockname(vptr[0], (struct sockaddr *)vptr[1], &size)); + if (!is_error(ret)) + *(int32_t *)vptr[2] = size; + } + break; + case SOCKOP_getpeername: + { + socklen_t size; + size = tswap32(*(int32_t *)vptr[2]); + ret = get_errno(getpeername(vptr[0], (struct sockaddr *)vptr[1], &size)); + if (!is_error(ret)) + *(int32_t *)vptr[2] = size; + } + break; + case SOCKOP_socketpair: + { + int tab[2]; + int32_t *target_tab = (int32_t *)vptr[3]; + ret = get_errno(socketpair(vptr[0], vptr[1], vptr[2], tab)); + if (!is_error(ret)) { + target_tab[0] = tswap32(tab[0]); + target_tab[1] = tswap32(tab[1]); + } + } + break; + case SOCKOP_send: + ret = get_errno(send(vptr[0], (void *)vptr[1], vptr[2], vptr[3])); + break; + case SOCKOP_recv: + ret = get_errno(recv(vptr[0], (void *)vptr[1], vptr[2], vptr[3])); + break; + case SOCKOP_sendto: + ret = get_errno(sendto(vptr[0], (void *)vptr[1], vptr[2], vptr[3], + (struct sockaddr *)vptr[4], vptr[5])); + break; + case SOCKOP_recvfrom: + { + socklen_t size; + size = tswap32(*(int32_t *)vptr[5]); + ret = get_errno(recvfrom(vptr[0], (void *)vptr[1], vptr[2], + vptr[3], (struct sockaddr *)vptr[4], &size)); + if (!is_error(ret)) + *(int32_t *)vptr[5] = size; + } + break; + case SOCKOP_shutdown: + ret = get_errno(shutdown(vptr[0], vptr[1])); + break; + case SOCKOP_sendmsg: + case SOCKOP_recvmsg: + case SOCKOP_setsockopt: + case SOCKOP_getsockopt: + default: + gemu_log("Unsupported socketcall: %d\n", num); + ret = -ENOSYS; + break; + } + return ret; +} + +/* kernel structure types definitions */ +#define IFNAMSIZ 16 + +#define STRUCT(name, list...) STRUCT_ ## name, +#define STRUCT_SPECIAL(name) STRUCT_ ## name, +enum { +#include "syscall_types.h" +}; +#undef STRUCT +#undef STRUCT_SPECIAL + +#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; +#define STRUCT_SPECIAL(name) +#include "syscall_types.h" +#undef STRUCT +#undef STRUCT_SPECIAL + +typedef struct IOCTLEntry { + int target_cmd; + int host_cmd; + const char *name; + int access; + const argtype arg_type[3]; +} IOCTLEntry; + +#define IOC_R 0x0001 +#define IOC_W 0x0002 +#define IOC_RW (IOC_R | IOC_W) + +#define MAX_STRUCT_SIZE 4096 + +const IOCTLEntry ioctl_entries[] = { +#define IOCTL(cmd, access, types...) \ + { TARGET_ ## cmd, cmd, #cmd, access, { types } }, +#include "ioctls.h" + { 0, 0, }, +}; + +static long do_ioctl(long fd, long cmd, long arg) +{ + const IOCTLEntry *ie; + const argtype *arg_type; + long ret; + uint8_t buf_temp[MAX_STRUCT_SIZE]; + + ie = ioctl_entries; + for(;;) { + if (ie->target_cmd == 0) { + gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd); + return -ENOSYS; + } + if (ie->target_cmd == cmd) + break; + ie++; + } + arg_type = ie->arg_type; + // gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name); + switch(arg_type[0]) { + case TYPE_NULL: + /* no argument */ + ret = get_errno(ioctl(fd, ie->host_cmd)); + break; + case TYPE_PTRVOID: + case TYPE_INT: + /* int argment */ + ret = get_errno(ioctl(fd, ie->host_cmd, arg)); + break; + case TYPE_PTR: + arg_type++; + switch(ie->access) { + case IOC_R: + ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); + if (!is_error(ret)) { + thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); + } + break; + case IOC_W: + thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); + ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); + break; + default: + case IOC_RW: + thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); + ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); + if (!is_error(ret)) { + thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); + } + break; + } + break; + default: + gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]); + ret = -ENOSYS; + break; + } + return ret; +} + +bitmask_transtbl iflag_tbl[] = { + { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, + { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, + { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, + { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, + { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, + { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, + { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, + { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, + { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, + { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, + { TARGET_IXON, TARGET_IXON, IXON, IXON }, + { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, + { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, + { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, + { 0, 0, 0, 0 } +}; + +bitmask_transtbl oflag_tbl[] = { + { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, + { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, + { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, + { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, + { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, + { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, + { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, + { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, + { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, + { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, + { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, + { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, + { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, + { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, + { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, + { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, + { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, + { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, + { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, + { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, + { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, + { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, + { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, + { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, + { 0, 0, 0, 0 } +}; + +bitmask_transtbl cflag_tbl[] = { + { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, + { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, + { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, + { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, + { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, + { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, + { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, + { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, + { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, + { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, + { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, + { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, + { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, + { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, + { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, + { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, + { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, + { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, + { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, + { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, + { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, + { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, + { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, + { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, + { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, + { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, + { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, + { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, + { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, + { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, + { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, + { 0, 0, 0, 0 } +}; + +bitmask_transtbl lflag_tbl[] = { + { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, + { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, + { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, + { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, + { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, + { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, + { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, + { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, + { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, + { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, + { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, + { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, + { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, + { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, + { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, + { 0, 0, 0, 0 } +}; + +static void target_to_host_termios (void *dst, const void *src) +{ + struct host_termios *host = dst; + const struct target_termios *target = src; + + host->c_iflag = + target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); + host->c_oflag = + target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); + host->c_cflag = + target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); + host->c_lflag = + target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); + host->c_line = target->c_line; + + host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; + host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; + host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; + host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; + host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; + host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; + host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; + host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; + host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; + host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; + host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; + host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; + host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; + host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; + host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; + host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; + host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; +} + +static void host_to_target_termios (void *dst, const void *src) +{ + struct target_termios *target = dst; + const struct host_termios *host = src; + + target->c_iflag = + tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); + target->c_oflag = + tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); + target->c_cflag = + tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); + target->c_lflag = + tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); + target->c_line = host->c_line; + + target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; + target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; + target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; + target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; + target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; + target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; + target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; + target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; + target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; + target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; + target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; + target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; + target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; + target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; + target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; + target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; + target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; +} + +StructEntry struct_termios_def = { + .convert = { host_to_target_termios, target_to_host_termios }, + .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, + .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, +}; + +void syscall_init(void) +{ +#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); +#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); +#include "syscall_types.h" +#undef STRUCT +#undef STRUCT_SPECIAL +} + +long do_syscall(int num, long arg1, long arg2, long arg3, + long arg4, long arg5, long arg6) +{ + long ret; + struct stat st; + struct statfs *stfs; + + // gemu_log("syscall %d\n", num); + switch(num) { + case TARGET_NR_exit: + _exit(arg1); + ret = 0; /* avoid warning */ + break; + case TARGET_NR_read: + ret = get_errno(read(arg1, (void *)arg2, arg3)); + break; + case TARGET_NR_write: + ret = get_errno(write(arg1, (void *)arg2, arg3)); + break; + case TARGET_NR_open: + ret = get_errno(open((const char *)arg1, arg2, arg3)); + break; + case TARGET_NR_close: + ret = get_errno(close(arg1)); + break; + case TARGET_NR_brk: + ret = do_brk((char *)arg1); + break; + case TARGET_NR_fork: + ret = get_errno(fork()); + break; + case TARGET_NR_waitpid: + { + int *status = (int *)arg2; + ret = get_errno(waitpid(arg1, status, arg3)); + if (!is_error(ret) && status) + tswapls((long *)&status); + } + break; + case TARGET_NR_creat: + ret = get_errno(creat((const char *)arg1, arg2)); + break; + case TARGET_NR_link: + ret = get_errno(link((const char *)arg1, (const char *)arg2)); + break; + case TARGET_NR_unlink: + ret = get_errno(unlink((const char *)arg1)); + break; + case TARGET_NR_execve: + ret = get_errno(execve((const char *)arg1, (void *)arg2, (void *)arg3)); + break; + case TARGET_NR_chdir: + ret = get_errno(chdir((const char *)arg1)); + break; + case TARGET_NR_time: + { + int *time_ptr = (int *)arg1; + ret = get_errno(time((time_t *)time_ptr)); + if (!is_error(ret) && time_ptr) + tswap32s(time_ptr); + } + break; + case TARGET_NR_mknod: + ret = get_errno(mknod((const char *)arg1, arg2, arg3)); + break; + case TARGET_NR_chmod: + ret = get_errno(chmod((const char *)arg1, arg2)); + break; + case TARGET_NR_lchown: + ret = get_errno(chown((const char *)arg1, arg2, arg3)); + break; + case TARGET_NR_break: + goto unimplemented; + case TARGET_NR_oldstat: + goto unimplemented; + case TARGET_NR_lseek: + ret = get_errno(lseek(arg1, arg2, arg3)); + break; + case TARGET_NR_getpid: + ret = get_errno(getpid()); + break; + case TARGET_NR_mount: + /* need to look at the data field */ + goto unimplemented; + case TARGET_NR_umount: + ret = get_errno(umount((const char *)arg1)); + break; + case TARGET_NR_setuid: + ret = get_errno(setuid(arg1)); + break; + case TARGET_NR_getuid: + ret = get_errno(getuid()); + break; + case TARGET_NR_stime: + { + int *time_ptr = (int *)arg1; + if (time_ptr) + tswap32s(time_ptr); + ret = get_errno(stime((time_t *)time_ptr)); + } + break; + case TARGET_NR_ptrace: + goto unimplemented; + case TARGET_NR_alarm: + ret = alarm(arg1); + break; + case TARGET_NR_oldfstat: + goto unimplemented; + case TARGET_NR_pause: + ret = get_errno(pause()); + break; + case TARGET_NR_utime: + goto unimplemented; + case TARGET_NR_stty: + goto unimplemented; + case TARGET_NR_gtty: + goto unimplemented; + case TARGET_NR_access: + ret = get_errno(access((const char *)arg1, arg2)); + break; + case TARGET_NR_nice: + ret = get_errno(nice(arg1)); + break; + case TARGET_NR_ftime: + goto unimplemented; + case TARGET_NR_sync: + ret = get_errno(sync()); + break; + case TARGET_NR_kill: + ret = get_errno(kill(arg1, arg2)); + break; + case TARGET_NR_rename: + ret = get_errno(rename((const char *)arg1, (const char *)arg2)); + break; + case TARGET_NR_mkdir: + ret = get_errno(mkdir((const char *)arg1, arg2)); + break; + case TARGET_NR_rmdir: + ret = get_errno(rmdir((const char *)arg1)); + break; + case TARGET_NR_dup: + ret = get_errno(dup(arg1)); + break; + case TARGET_NR_pipe: + { + int *pipe_ptr = (int *)arg1; + ret = get_errno(pipe(pipe_ptr)); + if (!is_error(ret)) { + tswap32s(&pipe_ptr[0]); + tswap32s(&pipe_ptr[1]); + } + } + break; + case TARGET_NR_times: + goto unimplemented; + case TARGET_NR_prof: + goto unimplemented; + case TARGET_NR_setgid: + ret = get_errno(setgid(arg1)); + break; + case TARGET_NR_getgid: + ret = get_errno(getgid()); + break; + case TARGET_NR_signal: + goto unimplemented; + case TARGET_NR_geteuid: + ret = get_errno(geteuid()); + break; + case TARGET_NR_getegid: + ret = get_errno(getegid()); + break; + case TARGET_NR_acct: + goto unimplemented; + case TARGET_NR_umount2: + ret = get_errno(umount2((const char *)arg1, arg2)); + break; + case TARGET_NR_lock: + goto unimplemented; + case TARGET_NR_ioctl: + ret = do_ioctl(arg1, arg2, arg3); + break; + case TARGET_NR_fcntl: + switch(arg2) { + case F_GETLK: + case F_SETLK: + case F_SETLKW: + goto unimplemented; + default: + ret = get_errno(fcntl(arg1, arg2, arg3)); + break; + } + break; + case TARGET_NR_mpx: + goto unimplemented; + case TARGET_NR_setpgid: + ret = get_errno(setpgid(arg1, arg2)); + break; + case TARGET_NR_ulimit: + goto unimplemented; + case TARGET_NR_oldolduname: + goto unimplemented; + case TARGET_NR_umask: + ret = get_errno(umask(arg1)); + break; + case TARGET_NR_chroot: + ret = get_errno(chroot((const char *)arg1)); + break; + case TARGET_NR_ustat: + goto unimplemented; + case TARGET_NR_dup2: + ret = get_errno(dup2(arg1, arg2)); + break; + case TARGET_NR_getppid: + ret = get_errno(getppid()); + break; + case TARGET_NR_getpgrp: + ret = get_errno(getpgrp()); + break; + case TARGET_NR_setsid: + ret = get_errno(setsid()); + break; + case TARGET_NR_sigaction: +#if 0 + { + int signum = arg1; + struct target_old_sigaction *tact = arg2, *toldact = arg3; + ret = get_errno(setsid()); + + + } + break; +#else + goto unimplemented; +#endif + case TARGET_NR_sgetmask: + goto unimplemented; + case TARGET_NR_ssetmask: + goto unimplemented; + case TARGET_NR_setreuid: + ret = get_errno(setreuid(arg1, arg2)); + break; + case TARGET_NR_setregid: + ret = get_errno(setregid(arg1, arg2)); + break; + case TARGET_NR_sigsuspend: + goto unimplemented; + case TARGET_NR_sigpending: + goto unimplemented; + case TARGET_NR_sethostname: + ret = get_errno(sethostname((const char *)arg1, arg2)); + break; + case TARGET_NR_setrlimit: + goto unimplemented; + case TARGET_NR_getrlimit: + goto unimplemented; + case TARGET_NR_getrusage: + goto unimplemented; + case TARGET_NR_gettimeofday: + { + struct target_timeval *target_tv = (void *)arg1; + struct timeval tv; + ret = get_errno(gettimeofday(&tv, NULL)); + if (!is_error(ret)) { + target_tv->tv_sec = tswapl(tv.tv_sec); + target_tv->tv_usec = tswapl(tv.tv_usec); + } + } + break; + case TARGET_NR_settimeofday: + { + struct target_timeval *target_tv = (void *)arg1; + struct timeval tv; + tv.tv_sec = tswapl(target_tv->tv_sec); + tv.tv_usec = tswapl(target_tv->tv_usec); + ret = get_errno(settimeofday(&tv, NULL)); + } + break; + case TARGET_NR_getgroups: + goto unimplemented; + case TARGET_NR_setgroups: + goto unimplemented; + case TARGET_NR_select: + goto unimplemented; + case TARGET_NR_symlink: + ret = get_errno(symlink((const char *)arg1, (const char *)arg2)); + break; + case TARGET_NR_oldlstat: + goto unimplemented; + case TARGET_NR_readlink: + ret = get_errno(readlink((const char *)arg1, (char *)arg2, arg3)); + break; + case TARGET_NR_uselib: + goto unimplemented; + case TARGET_NR_swapon: + ret = get_errno(swapon((const char *)arg1, arg2)); + break; + case TARGET_NR_reboot: + goto unimplemented; + case TARGET_NR_readdir: + goto unimplemented; +#ifdef TARGET_I386 + case TARGET_NR_mmap: + { + uint32_t v1, v2, v3, v4, v5, v6, *vptr; + vptr = (uint32_t *)arg1; + v1 = tswap32(vptr[0]); + v2 = tswap32(vptr[1]); + v3 = tswap32(vptr[2]); + v4 = tswap32(vptr[3]); + v5 = tswap32(vptr[4]); + v6 = tswap32(vptr[5]); + ret = get_errno((long)mmap((void *)v1, v2, v3, v4, v5, v6)); + } + break; +#endif +#ifdef TARGET_I386 + case TARGET_NR_mmap2: +#else + case TARGET_NR_mmap: +#endif + ret = get_errno((long)mmap((void *)arg1, arg2, arg3, arg4, arg5, arg6)); + break; + case TARGET_NR_munmap: + ret = get_errno(munmap((void *)arg1, arg2)); + break; + case TARGET_NR_truncate: + ret = get_errno(truncate((const char *)arg1, arg2)); + break; + case TARGET_NR_ftruncate: + ret = get_errno(ftruncate(arg1, arg2)); + break; + case TARGET_NR_fchmod: + ret = get_errno(fchmod(arg1, arg2)); + break; + case TARGET_NR_fchown: + ret = get_errno(fchown(arg1, arg2, arg3)); + break; + case TARGET_NR_getpriority: + ret = get_errno(getpriority(arg1, arg2)); + break; + case TARGET_NR_setpriority: + ret = get_errno(setpriority(arg1, arg2, arg3)); + break; + case TARGET_NR_profil: + goto unimplemented; + case TARGET_NR_statfs: + stfs = (void *)arg2; + ret = get_errno(sys_statfs((const char *)arg1, stfs)); + convert_statfs: + if (!is_error(ret)) { + tswap32s(&stfs->f_type); + tswap32s(&stfs->f_bsize); + tswap32s(&stfs->f_blocks); + tswap32s(&stfs->f_bfree); + tswap32s(&stfs->f_bavail); + tswap32s(&stfs->f_files); + tswap32s(&stfs->f_ffree); + tswap32s(&stfs->f_fsid.val[0]); + tswap32s(&stfs->f_fsid.val[1]); + tswap32s(&stfs->f_namelen); + } + break; + case TARGET_NR_fstatfs: + stfs = (void *)arg2; + ret = get_errno(sys_fstatfs(arg1, stfs)); + goto convert_statfs; + case TARGET_NR_ioperm: + goto unimplemented; + case TARGET_NR_socketcall: + ret = do_socketcall(arg1, (long *)arg2); + break; + case TARGET_NR_syslog: + goto unimplemented; + case TARGET_NR_setitimer: + goto unimplemented; + case TARGET_NR_getitimer: + goto unimplemented; + case TARGET_NR_stat: + ret = get_errno(stat((const char *)arg1, &st)); + goto do_stat; + case TARGET_NR_lstat: + ret = get_errno(lstat((const char *)arg1, &st)); + goto do_stat; + case TARGET_NR_fstat: + { + ret = get_errno(fstat(arg1, &st)); + do_stat: + if (!is_error(ret)) { + struct target_stat *target_st = (void *)arg2; + target_st->st_dev = tswap16(st.st_dev); + target_st->st_ino = tswapl(st.st_ino); + target_st->st_mode = tswap16(st.st_mode); + target_st->st_nlink = tswap16(st.st_nlink); + target_st->st_uid = tswap16(st.st_uid); + target_st->st_gid = tswap16(st.st_gid); + target_st->st_rdev = tswap16(st.st_rdev); + target_st->st_size = tswapl(st.st_size); + target_st->st_blksize = tswapl(st.st_blksize); + target_st->st_blocks = tswapl(st.st_blocks); + target_st->st_atime = tswapl(st.st_atime); + target_st->st_mtime = tswapl(st.st_mtime); + target_st->st_ctime = tswapl(st.st_ctime); + } + } + break; + case TARGET_NR_olduname: + goto unimplemented; + case TARGET_NR_iopl: + goto unimplemented; + case TARGET_NR_vhangup: + ret = get_errno(vhangup()); + break; + case TARGET_NR_idle: + goto unimplemented; + case TARGET_NR_vm86old: + goto unimplemented; + case TARGET_NR_wait4: + { + int status; + target_long *status_ptr = (void *)arg2; + struct rusage rusage, *rusage_ptr; + struct target_rusage *target_rusage = (void *)arg4; + if (target_rusage) + rusage_ptr = &rusage; + else + rusage_ptr = NULL; + ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); + if (!is_error(ret)) { + if (status_ptr) + *status_ptr = tswap32(status); + if (target_rusage) { + target_rusage->ru_utime.tv_sec = tswapl(rusage.ru_utime.tv_sec); + target_rusage->ru_utime.tv_usec = tswapl(rusage.ru_utime.tv_usec); + target_rusage->ru_stime.tv_sec = tswapl(rusage.ru_stime.tv_sec); + target_rusage->ru_stime.tv_usec = tswapl(rusage.ru_stime.tv_usec); + target_rusage->ru_maxrss = tswapl(rusage.ru_maxrss); + target_rusage->ru_ixrss = tswapl(rusage.ru_ixrss); + target_rusage->ru_idrss = tswapl(rusage.ru_idrss); + target_rusage->ru_isrss = tswapl(rusage.ru_isrss); + target_rusage->ru_minflt = tswapl(rusage.ru_minflt); + target_rusage->ru_majflt = tswapl(rusage.ru_majflt); + target_rusage->ru_nswap = tswapl(rusage.ru_nswap); + target_rusage->ru_inblock = tswapl(rusage.ru_inblock); + target_rusage->ru_oublock = tswapl(rusage.ru_oublock); + target_rusage->ru_msgsnd = tswapl(rusage.ru_msgsnd); + target_rusage->ru_msgrcv = tswapl(rusage.ru_msgrcv); + target_rusage->ru_nsignals = tswapl(rusage.ru_nsignals); + target_rusage->ru_nvcsw = tswapl(rusage.ru_nvcsw); + target_rusage->ru_nivcsw = tswapl(rusage.ru_nivcsw); + } + } + } + break; + case TARGET_NR_swapoff: + ret = get_errno(swapoff((const char *)arg1)); + break; + case TARGET_NR_sysinfo: + goto unimplemented; + case TARGET_NR_ipc: + goto unimplemented; + case TARGET_NR_fsync: + ret = get_errno(fsync(arg1)); + break; + case TARGET_NR_sigreturn: + goto unimplemented; + case TARGET_NR_clone: + goto unimplemented; + case TARGET_NR_setdomainname: + ret = get_errno(setdomainname((const char *)arg1, arg2)); + break; + case TARGET_NR_uname: + /* no need to transcode because we use the linux syscall */ + ret = get_errno(sys_uname((struct new_utsname *)arg1)); + break; + case TARGET_NR_modify_ldt: + goto unimplemented; + case TARGET_NR_adjtimex: + goto unimplemented; + case TARGET_NR_mprotect: + ret = get_errno(mprotect((void *)arg1, arg2, arg3)); + break; + case TARGET_NR_sigprocmask: + { + int how = arg1; + sigset_t set, oldset, *set_ptr; + target_ulong *pset = (void *)arg2, *poldset = (void *)arg3; + + switch(how) { + case TARGET_SIG_BLOCK: + how = SIG_BLOCK; + break; + case TARGET_SIG_UNBLOCK: + how = SIG_UNBLOCK; + break; + case TARGET_SIG_SETMASK: + how = SIG_SETMASK; + break; + default: + ret = -EINVAL; + goto fail; + } + + if (pset) { + target_to_host_old_sigset(&set, pset); + set_ptr = &set; + } else { + set_ptr = NULL; + } + ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); + if (!is_error(ret) && poldset) { + host_to_target_old_sigset(poldset, &oldset); + } + } + break; + case TARGET_NR_create_module: + case TARGET_NR_init_module: + case TARGET_NR_delete_module: + case TARGET_NR_get_kernel_syms: + goto unimplemented; + case TARGET_NR_quotactl: + goto unimplemented; + case TARGET_NR_getpgid: + ret = get_errno(getpgid(arg1)); + break; + case TARGET_NR_fchdir: + ret = get_errno(fchdir(arg1)); + break; + case TARGET_NR_bdflush: + goto unimplemented; + case TARGET_NR_sysfs: + goto unimplemented; + case TARGET_NR_personality: + ret = get_errno(mprotect((void *)arg1, arg2, arg3)); + break; + case TARGET_NR_afs_syscall: + goto unimplemented; + case TARGET_NR_setfsuid: + goto unimplemented; + case TARGET_NR_setfsgid: + goto unimplemented; + case TARGET_NR__llseek: + { + int64_t res; + ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); + *(int64_t *)arg4 = tswap64(res); + } + break; + case TARGET_NR_getdents: +#if TARGET_LONG_SIZE != 4 +#error not supported +#endif + { + struct dirent *dirp = (void *)arg2; + long count = arg3; + ret = get_errno(getdents(arg1, dirp, count)); + if (!is_error(ret)) { + struct dirent *de; + int len = ret; + int reclen; + de = dirp; + while (len > 0) { + reclen = tswap16(de->d_reclen); + if (reclen > len) + break; + de->d_reclen = reclen; + tswapls(&de->d_ino); + tswapls(&de->d_off); + de = (struct dirent *)((char *)de + reclen); + len -= reclen; + } + } + } + break; + case TARGET_NR__newselect: + ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4, + (void *)arg5); + break; + case TARGET_NR_flock: + goto unimplemented; + case TARGET_NR_msync: + ret = get_errno(msync((void *)arg1, arg2, arg3)); + break; + case TARGET_NR_readv: + { + int count = arg3; + int i; + struct iovec *vec; + struct target_iovec *target_vec = (void *)arg2; + + vec = alloca(count * sizeof(struct iovec)); + for(i = 0;i < count; i++) { + vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); + vec[i].iov_len = tswapl(target_vec[i].iov_len); + } + ret = get_errno(readv(arg1, vec, count)); + } + break; + case TARGET_NR_writev: + { + int count = arg3; + int i; + struct iovec *vec; + struct target_iovec *target_vec = (void *)arg2; + + vec = alloca(count * sizeof(struct iovec)); + for(i = 0;i < count; i++) { + vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); + vec[i].iov_len = tswapl(target_vec[i].iov_len); + } + ret = get_errno(writev(arg1, vec, count)); + } + break; + case TARGET_NR_getsid: + ret = get_errno(getsid(arg1)); + break; + case TARGET_NR_fdatasync: + goto unimplemented; + case TARGET_NR__sysctl: + goto unimplemented; + case TARGET_NR_mlock: + ret = get_errno(mlock((void *)arg1, arg2)); + break; + case TARGET_NR_munlock: + ret = get_errno(munlock((void *)arg1, arg2)); + break; + case TARGET_NR_mlockall: + ret = get_errno(mlockall(arg1)); + break; + case TARGET_NR_munlockall: + ret = get_errno(munlockall()); + break; + case TARGET_NR_sched_setparam: + goto unimplemented; + case TARGET_NR_sched_getparam: + goto unimplemented; + case TARGET_NR_sched_setscheduler: + goto unimplemented; + case TARGET_NR_sched_getscheduler: + goto unimplemented; + case TARGET_NR_sched_yield: + ret = get_errno(sched_yield()); + break; + case TARGET_NR_sched_get_priority_max: + case TARGET_NR_sched_get_priority_min: + case TARGET_NR_sched_rr_get_interval: + case TARGET_NR_nanosleep: + case TARGET_NR_mremap: + case TARGET_NR_setresuid: + case TARGET_NR_getresuid: + case TARGET_NR_vm86: + case TARGET_NR_query_module: + case TARGET_NR_poll: + case TARGET_NR_nfsservctl: + case TARGET_NR_setresgid: + case TARGET_NR_getresgid: + case TARGET_NR_prctl: + case TARGET_NR_rt_sigreturn: + case TARGET_NR_rt_sigaction: + case TARGET_NR_rt_sigprocmask: + case TARGET_NR_rt_sigpending: + case TARGET_NR_rt_sigtimedwait: + case TARGET_NR_rt_sigqueueinfo: + case TARGET_NR_rt_sigsuspend: + case TARGET_NR_pread: + case TARGET_NR_pwrite: + goto unimplemented; + case TARGET_NR_chown: + ret = get_errno(chown((const char *)arg1, arg2, arg3)); + break; + case TARGET_NR_getcwd: + ret = get_errno(sys_getcwd((char *)arg1, arg2)); + break; + case TARGET_NR_capget: + case TARGET_NR_capset: + case TARGET_NR_sigaltstack: + case TARGET_NR_sendfile: + case TARGET_NR_getpmsg: + case TARGET_NR_putpmsg: + case TARGET_NR_vfork: + ret = get_errno(vfork()); + break; + case TARGET_NR_ugetrlimit: + case TARGET_NR_truncate64: + case TARGET_NR_ftruncate64: + case TARGET_NR_stat64: + case TARGET_NR_lstat64: + case TARGET_NR_fstat64: + case TARGET_NR_lchown32: + case TARGET_NR_getuid32: + case TARGET_NR_getgid32: + case TARGET_NR_geteuid32: + case TARGET_NR_getegid32: + case TARGET_NR_setreuid32: + case TARGET_NR_setregid32: + case TARGET_NR_getgroups32: + case TARGET_NR_setgroups32: + case TARGET_NR_fchown32: + case TARGET_NR_setresuid32: + case TARGET_NR_getresuid32: + case TARGET_NR_setresgid32: + case TARGET_NR_getresgid32: + case TARGET_NR_chown32: + case TARGET_NR_setuid32: + case TARGET_NR_setgid32: + case TARGET_NR_setfsuid32: + case TARGET_NR_setfsgid32: + case TARGET_NR_pivot_root: + case TARGET_NR_mincore: + case TARGET_NR_madvise: + case TARGET_NR_getdents64: + case TARGET_NR_fcntl64: + case TARGET_NR_security: + goto unimplemented; + case TARGET_NR_gettid: + ret = get_errno(gettid()); + break; + case TARGET_NR_readahead: + case TARGET_NR_setxattr: + case TARGET_NR_lsetxattr: + case TARGET_NR_fsetxattr: + case TARGET_NR_getxattr: + case TARGET_NR_lgetxattr: + case TARGET_NR_fgetxattr: + case TARGET_NR_listxattr: + case TARGET_NR_llistxattr: + case TARGET_NR_flistxattr: + case TARGET_NR_removexattr: + case TARGET_NR_lremovexattr: + case TARGET_NR_fremovexattr: + goto unimplemented; + default: + unimplemented: + gemu_log("Unsupported syscall: %d\n", num); + ret = -ENOSYS; + break; + } + fail: + return ret; +} + diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h new file mode 100644 index 0000000000..c8f25bb5b4 --- /dev/null +++ b/linux-user/syscall_defs.h @@ -0,0 +1,283 @@ + +/* common syscall defines for all architectures */ + +#define SOCKOP_socket 1 +#define SOCKOP_bind 2 +#define SOCKOP_connect 3 +#define SOCKOP_listen 4 +#define SOCKOP_accept 5 +#define SOCKOP_getsockname 6 +#define SOCKOP_getpeername 7 +#define SOCKOP_socketpair 8 +#define SOCKOP_send 9 +#define SOCKOP_recv 10 +#define SOCKOP_sendto 11 +#define SOCKOP_recvfrom 12 +#define SOCKOP_shutdown 13 +#define SOCKOP_setsockopt 14 +#define SOCKOP_getsockopt 15 +#define SOCKOP_sendmsg 16 +#define SOCKOP_recvmsg 17 + +struct target_timeval { + target_long tv_sec; + target_long tv_usec; +}; + +struct target_iovec { + target_long iov_base; /* Starting address */ + target_long iov_len; /* Number of bytes */ +}; + +struct target_rusage { + struct target_timeval ru_utime; /* user time used */ + struct target_timeval ru_stime; /* system time used */ + target_long ru_maxrss; /* maximum resident set size */ + target_long ru_ixrss; /* integral shared memory size */ + target_long ru_idrss; /* integral unshared data size */ + target_long ru_isrss; /* integral unshared stack size */ + target_long ru_minflt; /* page reclaims */ + target_long ru_majflt; /* page faults */ + target_long ru_nswap; /* swaps */ + target_long ru_inblock; /* block input operations */ + target_long ru_oublock; /* block output operations */ + target_long ru_msgsnd; /* messages sent */ + target_long ru_msgrcv; /* messages received */ + target_long ru_nsignals; /* signals received */ + target_long ru_nvcsw; /* voluntary context switches */ + target_long ru_nivcsw; /* involuntary " */ +}; + +typedef struct { + int val[2]; +} kernel_fsid_t; + +struct statfs { + int f_type; + int f_bsize; + int f_blocks; + int f_bfree; + int f_bavail; + int f_files; + int f_ffree; + kernel_fsid_t f_fsid; + int f_namelen; + int f_spare[6]; +}; + +/* mostly generic signal stuff */ +#define TARGET_SIG_DFL ((target_long)0) /* default signal handling */ +#define TARGET_SIG_IGN ((target_long)1) /* ignore signal */ +#define TARGET_SIG_ERR ((target_long)-1) /* error return from signal */ + +#ifdef TARGET_MIPS +#define TARGET_NSIG 128 +#else +#define TARGET_NSIG 64 +#endif +#define TARGET_NSIG_BPW TARGET_LONG_BITS +#define TARGET_NSIG_WORDS (TARGET_NSIG / TARGET_NSIG_BPW) + +typedef struct { + target_ulong sig[TARGET_NSIG_WORDS]; +} target_sigset_t; + +/* Networking ioctls */ +#define TARGET_SIOCADDRT 0x890B /* add routing table entry */ +#define TARGET_SIOCDELRT 0x890C /* delete routing table entry */ +#define TARGET_SIOCGIFNAME 0x8910 /* get iface name */ +#define TARGET_SIOCSIFLINK 0x8911 /* set iface channel */ +#define TARGET_SIOCGIFCONF 0x8912 /* get iface list */ +#define TARGET_SIOCGIFFLAGS 0x8913 /* get flags */ +#define TARGET_SIOCSIFFLAGS 0x8914 /* set flags */ +#define TARGET_SIOCGIFADDR 0x8915 /* get PA address */ +#define TARGET_SIOCSIFADDR 0x8916 /* set PA address */ +#define TARGET_SIOCGIFDSTADDR 0x8917 /* get remote PA address */ +#define TARGET_SIOCSIFDSTADDR 0x8918 /* set remote PA address */ +#define TARGET_SIOCGIFBRDADDR 0x8919 /* get broadcast PA address */ +#define TARGET_SIOCSIFBRDADDR 0x891a /* set broadcast PA address */ +#define TARGET_SIOCGIFNETMASK 0x891b /* get network PA mask */ +#define TARGET_SIOCSIFNETMASK 0x891c /* set network PA mask */ +#define TARGET_SIOCGIFMETRIC 0x891d /* get metric */ +#define TARGET_SIOCSIFMETRIC 0x891e /* set metric */ +#define TARGET_SIOCGIFMEM 0x891f /* get memory address (BSD) */ +#define TARGET_SIOCSIFMEM 0x8920 /* set memory address (BSD) */ +#define TARGET_SIOCGIFMTU 0x8921 /* get MTU size */ +#define TARGET_SIOCSIFMTU 0x8922 /* set MTU size */ +#define TARGET_SIOCSIFHWADDR 0x8924 /* set hardware address (NI) */ +#define TARGET_SIOCGIFENCAP 0x8925 /* get/set slip encapsulation */ +#define TARGET_SIOCSIFENCAP 0x8926 +#define TARGET_SIOCGIFHWADDR 0x8927 /* Get hardware address */ +#define TARGET_SIOCGIFSLAVE 0x8929 /* Driver slaving support */ +#define TARGET_SIOCSIFSLAVE 0x8930 +#define TARGET_SIOCADDMULTI 0x8931 /* Multicast address lists */ +#define TARGET_SIOCDELMULTI 0x8932 + +/* Bridging control calls */ +#define TARGET_SIOCGIFBR 0x8940 /* Bridging support */ +#define TARGET_SIOCSIFBR 0x8941 /* Set bridging options */ + +#define TARGET_SIOCGIFTXQLEN 0x8942 /* Get the tx queue length */ +#define TARGET_SIOCSIFTXQLEN 0x8943 /* Set the tx queue length */ + +/* ARP cache control calls. */ +#define TARGET_OLD_SIOCDARP 0x8950 /* old delete ARP table entry */ +#define TARGET_OLD_SIOCGARP 0x8951 /* old get ARP table entry */ +#define TARGET_OLD_SIOCSARP 0x8952 /* old set ARP table entry */ +#define TARGET_SIOCDARP 0x8953 /* delete ARP table entry */ +#define TARGET_SIOCGARP 0x8954 /* get ARP table entry */ +#define TARGET_SIOCSARP 0x8955 /* set ARP table entry */ + +/* RARP cache control calls. */ +#define TARGET_SIOCDRARP 0x8960 /* delete RARP table entry */ +#define TARGET_SIOCGRARP 0x8961 /* get RARP table entry */ +#define TARGET_SIOCSRARP 0x8962 /* set RARP table entry */ + +/* Driver configuration calls */ +#define TARGET_SIOCGIFMAP 0x8970 /* Get device parameters */ +#define TARGET_SIOCSIFMAP 0x8971 /* Set device parameters */ + +/* DLCI configuration calls */ +#define TARGET_SIOCADDDLCI 0x8980 /* Create new DLCI device */ +#define TARGET_SIOCDELDLCI 0x8981 /* Delete DLCI device */ + + +/* From <linux/fs.h> */ + +#define TARGET_BLKROSET TARGET_IO(0x12,93) /* set device read-only (0 = read-write) */ +#define TARGET_BLKROGET TARGET_IO(0x12,94) /* get read-only status (0 = read_write) */ +#define TARGET_BLKRRPART TARGET_IO(0x12,95) /* re-read partition table */ +#define TARGET_BLKGETSIZE TARGET_IO(0x12,96) /* return device size /512 (long *arg) */ +#define TARGET_BLKFLSBUF TARGET_IO(0x12,97) /* flush buffer cache */ +#define TARGET_BLKRASET TARGET_IO(0x12,98) /* Set read ahead for block device */ +#define TARGET_BLKRAGET TARGET_IO(0x12,99) /* get current read ahead setting */ +#define TARGET_BLKFRASET TARGET_IO(0x12,100)/* set filesystem (mm/filemap.c) read-ahead */ +#define TARGET_BLKFRAGET TARGET_IO(0x12,101)/* get filesystem (mm/filemap.c) read-ahead */ +#define TARGET_BLKSECTSET TARGET_IO(0x12,102)/* set max sectors per request (ll_rw_blk.c) */ +#define TARGET_BLKSECTGET TARGET_IO(0x12,103)/* get max sectors per request (ll_rw_blk.c) */ +#define TARGET_BLKSSZGET TARGET_IO(0x12,104)/* get block device sector size */ +/* A jump here: 108-111 have been used for various private purposes. */ +#define TARGET_BLKBSZGET TARGET_IOR(0x12,112,sizeof(int)) +#define TARGET_BLKBSZSET TARGET_IOW(0x12,113,sizeof(int)) +#define TARGET_BLKGETSIZE64 TARGET_IOR(0x12,114,sizeof(uint64_t)) /* return device size in bytes (u64 *arg) */ +#define TARGET_FIBMAP TARGET_IO(0x00,1) /* bmap access */ +#define TARGET_FIGETBSZ TARGET_IO(0x00,2) /* get the block size used for bmap */ + +/* cdrom commands */ +#define TARGET_CDROMPAUSE 0x5301 /* Pause Audio Operation */ +#define TARGET_CDROMRESUME 0x5302 /* Resume paused Audio Operation */ +#define TARGET_CDROMPLAYMSF 0x5303 /* Play Audio MSF (struct cdrom_msf) */ +#define TARGET_CDROMPLAYTRKIND 0x5304 /* Play Audio Track/index + (struct cdrom_ti) */ +#define TARGET_CDROMREADTOCHDR 0x5305 /* Read TOC header + (struct cdrom_tochdr) */ +#define TARGET_CDROMREADTOCENTRY 0x5306 /* Read TOC entry + (struct cdrom_tocentry) */ +#define TARGET_CDROMSTOP 0x5307 /* Stop the cdrom drive */ +#define TARGET_CDROMSTART 0x5308 /* Start the cdrom drive */ +#define TARGET_CDROMEJECT 0x5309 /* Ejects the cdrom media */ +#define TARGET_CDROMVOLCTRL 0x530a /* Control output volume + (struct cdrom_volctrl) */ +#define TARGET_CDROMSUBCHNL 0x530b /* Read subchannel data + (struct cdrom_subchnl) */ +#define TARGET_CDROMREADMODE2 0x530c /* Read TARGET_CDROM mode 2 data (2336 Bytes) + (struct cdrom_read) */ +#define TARGET_CDROMREADMODE1 0x530d /* Read TARGET_CDROM mode 1 data (2048 Bytes) + (struct cdrom_read) */ +#define TARGET_CDROMREADAUDIO 0x530e /* (struct cdrom_read_audio) */ +#define TARGET_CDROMEJECT_SW 0x530f /* enable(1)/disable(0) auto-ejecting */ +#define TARGET_CDROMMULTISESSION 0x5310 /* Obtain the start-of-last-session + address of multi session disks + (struct cdrom_multisession) */ +#define TARGET_CDROM_GET_MCN 0x5311 /* Obtain the "Universal Product Code" + if available (struct cdrom_mcn) */ +#define TARGET_CDROM_GET_UPC TARGET_CDROM_GET_MCN /* This one is depricated, + but here anyway for compatability */ +#define TARGET_CDROMRESET 0x5312 /* hard-reset the drive */ +#define TARGET_CDROMVOLREAD 0x5313 /* Get the drive's volume setting + (struct cdrom_volctrl) */ +#define TARGET_CDROMREADRAW 0x5314 /* read data in raw mode (2352 Bytes) + (struct cdrom_read) */ +/* + * These ioctls are used only used in aztcd.c and optcd.c + */ +#define TARGET_CDROMREADCOOKED 0x5315 /* read data in cooked mode */ +#define TARGET_CDROMSEEK 0x5316 /* seek msf address */ + +/* + * This ioctl is only used by the scsi-cd driver. + It is for playing audio in logical block addressing mode. + */ +#define TARGET_CDROMPLAYBLK 0x5317 /* (struct cdrom_blk) */ + +/* + * These ioctls are only used in optcd.c + */ +#define TARGET_CDROMREADALL 0x5318 /* read all 2646 bytes */ + +/* + * These ioctls are (now) only in ide-cd.c for controlling + * drive spindown time. They should be implemented in the + * Uniform driver, via generic packet commands, GPCMD_MODE_SELECT_10, + * GPCMD_MODE_SENSE_10 and the GPMODE_POWER_PAGE... + * -Erik + */ +#define TARGET_CDROMGETSPINDOWN 0x531d +#define TARGET_CDROMSETSPINDOWN 0x531e + +/* + * These ioctls are implemented through the uniform CD-ROM driver + * They _will_ be adopted by all CD-ROM drivers, when all the CD-ROM + * drivers are eventually ported to the uniform CD-ROM driver interface. + */ +#define TARGET_CDROMCLOSETRAY 0x5319 /* pendant of CDROMEJECT */ +#define TARGET_CDROM_SET_OPTIONS 0x5320 /* Set behavior options */ +#define TARGET_CDROM_CLEAR_OPTIONS 0x5321 /* Clear behavior options */ +#define TARGET_CDROM_SELECT_SPEED 0x5322 /* Set the CD-ROM speed */ +#define TARGET_CDROM_SELECT_DISC 0x5323 /* Select disc (for juke-boxes) */ +#define TARGET_CDROM_MEDIA_CHANGED 0x5325 /* Check is media changed */ +#define TARGET_CDROM_DRIVE_STATUS 0x5326 /* Get tray position, etc. */ +#define TARGET_CDROM_DISC_STATUS 0x5327 /* Get disc type, etc. */ +#define TARGET_CDROM_CHANGER_NSLOTS 0x5328 /* Get number of slots */ +#define TARGET_CDROM_LOCKDOOR 0x5329 /* lock or unlock door */ +#define TARGET_CDROM_DEBUG 0x5330 /* Turn debug messages on/off */ +#define TARGET_CDROM_GET_CAPABILITY 0x5331 /* get capabilities */ + +/* Note that scsi/scsi_ioctl.h also uses 0x5382 - 0x5386. + * Future CDROM ioctls should be kept below 0x537F + */ + +/* This ioctl is only used by sbpcd at the moment */ +#define TARGET_CDROMAUDIOBUFSIZ 0x5382 /* set the audio buffer size */ + /* conflict with SCSI_IOCTL_GET_IDLUN */ + +/* DVD-ROM Specific ioctls */ +#define TARGET_DVD_READ_STRUCT 0x5390 /* Read structure */ +#define TARGET_DVD_WRITE_STRUCT 0x5391 /* Write structure */ +#define TARGET_DVD_AUTH 0x5392 /* Authentication */ + +#define TARGET_CDROM_SEND_PACKET 0x5393 /* send a packet to the drive */ +#define TARGET_CDROM_NEXT_WRITABLE 0x5394 /* get next writable block */ +#define TARGET_CDROM_LAST_WRITTEN 0x5395 /* get last block written on disc */ + +/* HD commands */ + +/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */ +#define TARGET_HDIO_GETGEO 0x0301 /* get device geometry */ +#define TARGET_HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */ +#define TARGET_HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */ +#define TARGET_HDIO_GET_IDENTITY 0x0307 /* get IDE identification info */ +#define TARGET_HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */ +#define TARGET_HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */ +#define TARGET_HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */ +#define TARGET_HDIO_GET_DMA 0x030b /* get use-dma flag */ +#define TARGET_HDIO_DRIVE_CMD 0x031f /* execute a special drive command */ + +/* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */ +#define TARGET_HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */ +#define TARGET_HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */ +#define TARGET_HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */ +#define TARGET_HDIO_SET_32BIT 0x0324 /* change io_32bit flags */ +#define TARGET_HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */ +#define TARGET_HDIO_SET_DMA 0x0326 /* change use-dma flag */ +#define TARGET_HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */ diff --git a/linux-user/syscall_types.h b/linux-user/syscall_types.h new file mode 100644 index 0000000000..63852d3af0 --- /dev/null +++ b/linux-user/syscall_types.h @@ -0,0 +1,64 @@ +STRUCT_SPECIAL(termios) + +STRUCT(winsize, + TYPE_SHORT, TYPE_SHORT, TYPE_SHORT, TYPE_SHORT) + +STRUCT(serial_multiport_struct, + TYPE_INT, TYPE_INT, TYPE_CHAR, TYPE_CHAR, TYPE_INT, TYPE_CHAR, TYPE_CHAR, + TYPE_INT, TYPE_CHAR, TYPE_CHAR, TYPE_INT, TYPE_CHAR, TYPE_CHAR, TYPE_INT, + MK_ARRAY(TYPE_INT, 32)) + +STRUCT(serial_icounter_struct, + TYPE_INT, TYPE_INT, TYPE_INT, TYPE_INT, MK_ARRAY(TYPE_INT, 16)) + +STRUCT(sockaddr, + TYPE_SHORT, MK_ARRAY(TYPE_CHAR, 14)) + +STRUCT(rtentry, + TYPE_ULONG, MK_STRUCT(STRUCT_sockaddr), MK_STRUCT(STRUCT_sockaddr), MK_STRUCT(STRUCT_sockaddr), + TYPE_SHORT, TYPE_SHORT, TYPE_ULONG, TYPE_PTRVOID, TYPE_SHORT, TYPE_PTRVOID, + TYPE_ULONG, TYPE_ULONG, TYPE_SHORT) + +STRUCT(ifmap, + TYPE_ULONG, TYPE_ULONG, TYPE_SHORT, TYPE_CHAR, TYPE_CHAR, TYPE_CHAR, + /* Spare 3 bytes */ + TYPE_CHAR, TYPE_CHAR, TYPE_CHAR) + +/* The *_ifreq_list arrays deal with the fact that struct ifreq has unions */ + +STRUCT(sockaddr_ifreq, + MK_ARRAY(TYPE_CHAR, IFNAMSIZ), MK_STRUCT(STRUCT_sockaddr)) + +STRUCT(short_ifreq, + MK_ARRAY(TYPE_CHAR, IFNAMSIZ), TYPE_SHORT) + +STRUCT(int_ifreq, + MK_ARRAY(TYPE_CHAR, IFNAMSIZ), TYPE_INT) + +STRUCT(ifmap_ifreq, + MK_ARRAY(TYPE_CHAR, IFNAMSIZ), MK_STRUCT(STRUCT_ifmap)) + +STRUCT(char_ifreq, + MK_ARRAY(TYPE_CHAR, IFNAMSIZ), + MK_ARRAY(TYPE_CHAR, IFNAMSIZ)) + +STRUCT(ptr_ifreq, + MK_ARRAY(TYPE_CHAR, IFNAMSIZ), TYPE_PTRVOID) + +STRUCT(ifconf, + TYPE_INT, TYPE_PTRVOID) + +STRUCT(arpreq, + MK_STRUCT(STRUCT_sockaddr), MK_STRUCT(STRUCT_sockaddr), TYPE_INT, MK_STRUCT(STRUCT_sockaddr), + MK_ARRAY(TYPE_CHAR, 16)) + +STRUCT(arpreq_old, + MK_STRUCT(STRUCT_sockaddr), MK_STRUCT(STRUCT_sockaddr), TYPE_INT, MK_STRUCT(STRUCT_sockaddr)) + +STRUCT(cdrom_read_audio, + TYPE_CHAR, TYPE_CHAR, TYPE_CHAR, TYPE_CHAR, TYPE_CHAR, TYPE_INT, TYPE_PTRVOID, + TYPE_NULL) + +STRUCT(hd_geometry, + TYPE_CHAR, TYPE_CHAR, TYPE_SHORT, TYPE_ULONG) + |