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Diffstat (limited to 'linux-user/elfload.c')
-rw-r--r--linux-user/elfload.c138
1 files changed, 74 insertions, 64 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index fbe7ddd848..0bb455bdab 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -172,7 +172,7 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
{
- target_long stack = infop->start_stack;
+ abi_long stack = infop->start_stack;
memset(regs, 0, sizeof(*regs));
regs->ARM_cpsr = 0x10;
if (infop->entry & 1)
@@ -214,7 +214,11 @@ enum
#define ELF_START_MMAP 0x80000000
+#ifndef TARGET_ABI32
#define elf_check_arch(x) ( (x) == EM_SPARCV9 || (x) == EM_SPARC32PLUS )
+#else
+#define elf_check_arch(x) ( (x) == EM_SPARC32PLUS || (x) == EM_SPARC )
+#endif
#define ELF_CLASS ELFCLASS64
#define ELF_DATA ELFDATA2MSB
@@ -224,14 +228,20 @@ enum
static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
{
+#ifndef TARGET_ABI32
regs->tstate = 0;
+#endif
regs->pc = infop->entry;
regs->npc = regs->pc + 4;
regs->y = 0;
+#ifdef TARGET_ABI32
+ regs->u_regs[14] = infop->start_stack - 16 * 4;
+#else
if (personality(infop->personality) == PER_LINUX32)
regs->u_regs[14] = infop->start_stack - 16 * 4;
else
regs->u_regs[14] = infop->start_stack - 16 * 8 - STACK_BIAS;
+#endif
}
#else
@@ -313,10 +323,10 @@ do { \
static inline void init_thread(struct target_pt_regs *_regs, struct image_info *infop)
{
- target_ulong pos = infop->start_stack;
- target_ulong tmp;
+ abi_ulong pos = infop->start_stack;
+ abi_ulong tmp;
#ifdef TARGET_PPC64
- target_ulong entry, toc;
+ abi_ulong entry, toc;
#endif
_regs->msr = 1 << MSR_PR; /* Set user mode */
@@ -333,9 +343,9 @@ static inline void init_thread(struct target_pt_regs *_regs, struct image_info *
* execution of PPC BSD programs.
*/
_regs->gpr[3] = tgetl(pos);
- pos += sizeof(target_ulong);
+ pos += sizeof(abi_ulong);
_regs->gpr[4] = pos;
- for (tmp = 1; tmp != 0; pos += sizeof(target_ulong))
+ for (tmp = 1; tmp != 0; pos += sizeof(abi_ulong))
tmp = ldl(pos);
_regs->gpr[5] = pos;
}
@@ -475,9 +485,9 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
#define ELF_HWCAP 0
#endif
-#ifdef OVERRIDE_ELF_CLASS
+#ifdef TARGET_ABI32
#undef ELF_CLASS
-#define ELF_CLASS OVERRIDE_ELF_CLASS
+#define ELF_CLASS ELFCLASS32
#undef bswaptls
#define bswaptls(ptr) bswap32s(ptr)
#endif
@@ -588,8 +598,8 @@ static void bswap_sym(struct elf_sym *sym)
* to be put directly into the top of new user memory.
*
*/
-static target_ulong copy_elf_strings(int argc,char ** argv, void **page,
- target_ulong p)
+static abi_ulong copy_elf_strings(int argc,char ** argv, void **page,
+ abi_ulong p)
{
char *tmp, *tmp1, *pag = NULL;
int len, offset = 0;
@@ -638,10 +648,10 @@ static target_ulong copy_elf_strings(int argc,char ** argv, void **page,
return p;
}
-static target_ulong setup_arg_pages(target_ulong p, struct linux_binprm *bprm,
- struct image_info *info)
+static abi_ulong setup_arg_pages(abi_ulong p, struct linux_binprm *bprm,
+ struct image_info *info)
{
- target_ulong stack_base, size, error;
+ abi_ulong stack_base, size, error;
int i;
/* Create enough stack to hold everything. If we don't use
@@ -677,7 +687,7 @@ static target_ulong setup_arg_pages(target_ulong p, struct linux_binprm *bprm,
return p;
}
-static void set_brk(target_ulong start, target_ulong end)
+static void set_brk(abi_ulong start, abi_ulong end)
{
/* page-align the start and end addresses... */
start = HOST_PAGE_ALIGN(start);
@@ -696,9 +706,9 @@ static void set_brk(target_ulong start, target_ulong end)
/* 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(target_ulong elf_bss, target_ulong last_bss)
+static void padzero(abi_ulong elf_bss, abi_ulong last_bss)
{
- target_ulong nbyte;
+ abi_ulong nbyte;
if (elf_bss >= last_bss)
return;
@@ -709,7 +719,7 @@ static void padzero(target_ulong elf_bss, target_ulong last_bss)
patch target_mmap(), but it is more complicated as the file
size must be known */
if (qemu_real_host_page_size < qemu_host_page_size) {
- target_ulong end_addr, end_addr1;
+ abi_ulong end_addr, end_addr1;
end_addr1 = (elf_bss + qemu_real_host_page_size - 1) &
~(qemu_real_host_page_size - 1);
end_addr = HOST_PAGE_ALIGN(elf_bss);
@@ -731,16 +741,16 @@ static void padzero(target_ulong elf_bss, target_ulong last_bss)
}
-static target_ulong create_elf_tables(target_ulong p, int argc, int envc,
- struct elfhdr * exec,
- target_ulong load_addr,
- target_ulong load_bias,
- target_ulong interp_load_addr, int ibcs,
- struct image_info *info)
+static abi_ulong create_elf_tables(abi_ulong p, int argc, int envc,
+ struct elfhdr * exec,
+ abi_ulong load_addr,
+ abi_ulong load_bias,
+ abi_ulong interp_load_addr, int ibcs,
+ struct image_info *info)
{
- target_ulong sp;
+ abi_ulong sp;
int size;
- target_ulong u_platform;
+ abi_ulong u_platform;
const char *k_platform;
const int n = sizeof(elf_addr_t);
@@ -756,7 +766,7 @@ static target_ulong create_elf_tables(target_ulong p, int argc, int envc,
/*
* Force 16 byte _final_ alignment here for generality.
*/
- sp = sp &~ (target_ulong)15;
+ sp = sp &~ (abi_ulong)15;
size = (DLINFO_ITEMS + 1) * 2;
if (k_platform)
size += 2;
@@ -786,18 +796,18 @@ static target_ulong create_elf_tables(target_ulong p, int argc, int envc,
NEW_AUX_ENT (AT_NULL, 0);
/* There must be exactly DLINFO_ITEMS entries here. */
- NEW_AUX_ENT(AT_PHDR, (target_ulong)(load_addr + exec->e_phoff));
- NEW_AUX_ENT(AT_PHENT, (target_ulong)(sizeof (struct elf_phdr)));
- NEW_AUX_ENT(AT_PHNUM, (target_ulong)(exec->e_phnum));
- NEW_AUX_ENT(AT_PAGESZ, (target_ulong)(TARGET_PAGE_SIZE));
- NEW_AUX_ENT(AT_BASE, (target_ulong)(interp_load_addr));
- NEW_AUX_ENT(AT_FLAGS, (target_ulong)0);
+ NEW_AUX_ENT(AT_PHDR, (abi_ulong)(load_addr + exec->e_phoff));
+ NEW_AUX_ENT(AT_PHENT, (abi_ulong)(sizeof (struct elf_phdr)));
+ NEW_AUX_ENT(AT_PHNUM, (abi_ulong)(exec->e_phnum));
+ NEW_AUX_ENT(AT_PAGESZ, (abi_ulong)(TARGET_PAGE_SIZE));
+ NEW_AUX_ENT(AT_BASE, (abi_ulong)(interp_load_addr));
+ NEW_AUX_ENT(AT_FLAGS, (abi_ulong)0);
NEW_AUX_ENT(AT_ENTRY, load_bias + exec->e_entry);
- NEW_AUX_ENT(AT_UID, (target_ulong) getuid());
- NEW_AUX_ENT(AT_EUID, (target_ulong) geteuid());
- NEW_AUX_ENT(AT_GID, (target_ulong) getgid());
- NEW_AUX_ENT(AT_EGID, (target_ulong) getegid());
- NEW_AUX_ENT(AT_HWCAP, (target_ulong) ELF_HWCAP);
+ NEW_AUX_ENT(AT_UID, (abi_ulong) getuid());
+ NEW_AUX_ENT(AT_EUID, (abi_ulong) geteuid());
+ NEW_AUX_ENT(AT_GID, (abi_ulong) getgid());
+ NEW_AUX_ENT(AT_EGID, (abi_ulong) getegid());
+ NEW_AUX_ENT(AT_HWCAP, (abi_ulong) ELF_HWCAP);
if (k_platform)
NEW_AUX_ENT(AT_PLATFORM, u_platform);
#ifdef ARCH_DLINFO
@@ -814,17 +824,17 @@ static target_ulong create_elf_tables(target_ulong p, int argc, int envc,
}
-static target_ulong load_elf_interp(struct elfhdr * interp_elf_ex,
- int interpreter_fd,
- target_ulong *interp_load_addr)
+static abi_ulong load_elf_interp(struct elfhdr * interp_elf_ex,
+ int interpreter_fd,
+ abi_ulong *interp_load_addr)
{
struct elf_phdr *elf_phdata = NULL;
struct elf_phdr *eppnt;
- target_ulong load_addr = 0;
+ abi_ulong load_addr = 0;
int load_addr_set = 0;
int retval;
- target_ulong last_bss, elf_bss;
- target_ulong error;
+ abi_ulong last_bss, elf_bss;
+ abi_ulong error;
int i;
elf_bss = 0;
@@ -838,20 +848,20 @@ static target_ulong load_elf_interp(struct elfhdr * interp_elf_ex,
if ((interp_elf_ex->e_type != ET_EXEC &&
interp_elf_ex->e_type != ET_DYN) ||
!elf_check_arch(interp_elf_ex->e_machine)) {
- return ~((target_ulong)0UL);
+ return ~((abi_ulong)0UL);
}
/* Now read in all of the header information */
if (sizeof(struct elf_phdr) * interp_elf_ex->e_phnum > TARGET_PAGE_SIZE)
- return ~(target_ulong)0UL;
+ return ~(abi_ulong)0UL;
elf_phdata = (struct elf_phdr *)
malloc(sizeof(struct elf_phdr) * interp_elf_ex->e_phnum);
if (!elf_phdata)
- return ~((target_ulong)0UL);
+ return ~((abi_ulong)0UL);
/*
* If the size of this structure has changed, then punt, since
@@ -859,7 +869,7 @@ static target_ulong load_elf_interp(struct elfhdr * interp_elf_ex,
*/
if (interp_elf_ex->e_phentsize != sizeof(struct elf_phdr)) {
free(elf_phdata);
- return ~((target_ulong)0UL);
+ return ~((abi_ulong)0UL);
}
retval = lseek(interpreter_fd, interp_elf_ex->e_phoff, SEEK_SET);
@@ -900,8 +910,8 @@ static target_ulong load_elf_interp(struct elfhdr * interp_elf_ex,
if (eppnt->p_type == PT_LOAD) {
int elf_type = MAP_PRIVATE | MAP_DENYWRITE;
int elf_prot = 0;
- target_ulong vaddr = 0;
- target_ulong k;
+ abi_ulong vaddr = 0;
+ abi_ulong k;
if (eppnt->p_flags & PF_R) elf_prot = PROT_READ;
if (eppnt->p_flags & PF_W) elf_prot |= PROT_WRITE;
@@ -921,7 +931,7 @@ static target_ulong load_elf_interp(struct elfhdr * interp_elf_ex,
/* Real error */
close(interpreter_fd);
free(elf_phdata);
- return ~((target_ulong)0UL);
+ return ~((abi_ulong)0UL);
}
if (!load_addr_set && interp_elf_ex->e_type == ET_DYN) {
@@ -966,7 +976,7 @@ static target_ulong load_elf_interp(struct elfhdr * interp_elf_ex,
free(elf_phdata);
*interp_load_addr = load_addr;
- return ((target_ulong) interp_elf_ex->e_entry) + load_addr;
+ return ((abi_ulong) interp_elf_ex->e_entry) + load_addr;
}
/* Best attempt to load symbols from this ELF object. */
@@ -1054,22 +1064,22 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs,
struct elfhdr interp_elf_ex;
struct exec interp_ex;
int interpreter_fd = -1; /* avoid warning */
- target_ulong load_addr, load_bias;
+ abi_ulong load_addr, load_bias;
int load_addr_set = 0;
unsigned int interpreter_type = INTERPRETER_NONE;
unsigned char ibcs2_interpreter;
int i;
- target_ulong mapped_addr;
+ abi_ulong mapped_addr;
struct elf_phdr * elf_ppnt;
struct elf_phdr *elf_phdata;
- target_ulong elf_bss, k, elf_brk;
+ abi_ulong elf_bss, k, elf_brk;
int retval;
char * elf_interpreter;
- target_ulong elf_entry, interp_load_addr = 0;
+ abi_ulong elf_entry, interp_load_addr = 0;
int status;
- target_ulong start_code, end_code, start_data, end_data;
- target_ulong reloc_func_desc = 0;
- target_ulong elf_stack;
+ abi_ulong start_code, end_code, start_data, end_data;
+ abi_ulong reloc_func_desc = 0;
+ abi_ulong elf_stack;
char passed_fileno[6];
ibcs2_interpreter = 0;
@@ -1125,9 +1135,9 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs,
elf_brk = 0;
- elf_stack = ~((target_ulong)0UL);
+ elf_stack = ~((abi_ulong)0UL);
elf_interpreter = NULL;
- start_code = ~((target_ulong)0UL);
+ start_code = ~((abi_ulong)0UL);
end_code = 0;
start_data = 0;
end_data = 0;
@@ -1263,9 +1273,9 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs,
/* OK, This is the point of no return */
info->end_data = 0;
info->end_code = 0;
- info->start_mmap = (target_ulong)ELF_START_MMAP;
+ info->start_mmap = (abi_ulong)ELF_START_MMAP;
info->mmap = 0;
- elf_entry = (target_ulong) elf_ex.e_entry;
+ elf_entry = (abi_ulong) elf_ex.e_entry;
/* Do this so that we can load the interpreter, if need be. We will
change some of these later */
@@ -1282,7 +1292,7 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs,
for(i = 0, elf_ppnt = elf_phdata; i < elf_ex.e_phnum; i++, elf_ppnt++) {
int elf_prot = 0;
int elf_flags = 0;
- target_ulong error;
+ abi_ulong error;
if (elf_ppnt->p_type != PT_LOAD)
continue;
@@ -1374,7 +1384,7 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs,
close(interpreter_fd);
free(elf_interpreter);
- if (elf_entry == ~((target_ulong)0UL)) {
+ if (elf_entry == ~((abi_ulong)0UL)) {
printf("Unable to load interpreter\n");
free(elf_phdata);
exit(-1);
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-25 12:32:21 +0000