diff options
| -rw-r--r-- | bsd-user/elfcore.c | 10 | ||||
| -rw-r--r-- | bsd-user/elfload.c | 22 | ||||
| -rw-r--r-- | bsd-user/qemu.h | 6 |
3 files changed, 36 insertions, 2 deletions
diff --git a/bsd-user/elfcore.c b/bsd-user/elfcore.c new file mode 100644 index 0000000000..c49d9280e2 --- /dev/null +++ b/bsd-user/elfcore.c @@ -0,0 +1,10 @@ +/* Stubbed out version of core dump support, explicitly in public domain */ + +static int elf_core_dump(int signr, CPUArchState *env) +{ + struct elf_note en = { 0 }; + + bswap_note(&en); + + return 0; +} diff --git a/bsd-user/elfload.c b/bsd-user/elfload.c index 11ca813c7a..05751f3ce7 100644 --- a/bsd-user/elfload.c +++ b/bsd-user/elfload.c @@ -26,15 +26,17 @@ static abi_ulong target_auxents; /* Where the AUX entries are in target */ static size_t target_auxents_sz; /* Size of AUX entries including AT_NULL */ +#include "target_arch_reg.h" #include "target_os_elf.h" #include "target_os_stack.h" #include "target_os_thread.h" - -#include "elf.h" +#include "target_os_user.h" abi_ulong target_stksiz; abi_ulong target_stkbas; +static int elf_core_dump(int signr, CPUArchState *env); + static inline void memcpy_fromfs(void *to, const void *from, unsigned long n) { memcpy(to, from, n); @@ -100,15 +102,25 @@ static void bswap_sym(struct elf_sym *sym) bswap16s(&sym->st_shndx); } +static void bswap_note(struct elf_note *en) +{ + bswap32s(&en->n_namesz); + bswap32s(&en->n_descsz); + bswap32s(&en->n_type); +} + #else /* ! BSWAP_NEEDED */ static void bswap_ehdr(struct elfhdr *ehdr) { } static void bswap_phdr(struct elf_phdr *phdr, int phnum) { } static void bswap_shdr(struct elf_shdr *shdr, int shnum) { } static void bswap_sym(struct elf_sym *sym) { } +static void bswap_note(struct elf_note *en) { } #endif /* ! BSWAP_NEEDED */ +#include "elfcore.c" + /* * 'copy_elf_strings()' copies argument/envelope strings from user * memory to free pages in kernel mem. These are in a format ready @@ -834,6 +846,12 @@ int load_elf_binary(struct bsd_binprm *bprm, struct target_pt_regs *regs, info->entry = elf_entry; +#ifdef USE_ELF_CORE_DUMP + bprm->core_dump = &elf_core_dump; +#else + bprm->core_dump = NULL; +#endif + return 0; } diff --git a/bsd-user/qemu.h b/bsd-user/qemu.h index 3685156123..8d20554688 100644 --- a/bsd-user/qemu.h +++ b/bsd-user/qemu.h @@ -51,6 +51,7 @@ extern enum BSDType bsd_type; * kernel */ struct image_info { + abi_ulong load_bias; abi_ulong load_addr; abi_ulong start_code; abi_ulong end_code; @@ -65,6 +66,9 @@ struct image_info { abi_ulong entry; abi_ulong code_offset; abi_ulong data_offset; + abi_ulong arg_start; + abi_ulong arg_end; + uint32_t elf_flags; }; #define MAX_SIGQUEUE_SIZE 1024 @@ -132,6 +136,7 @@ struct bsd_binprm { char **envp; char *filename; /* (Given) Name of binary */ char *fullpath; /* Full path of binary */ + int (*core_dump)(int, CPUArchState *); }; void do_init_thread(struct target_pt_regs *regs, struct image_info *infop); @@ -145,6 +150,7 @@ int load_elf_binary(struct bsd_binprm *bprm, struct target_pt_regs *regs, struct image_info *info); int load_flt_binary(struct bsd_binprm *bprm, struct target_pt_regs *regs, struct image_info *info); +int is_target_elf_binary(int fd); abi_long memcpy_to_target(abi_ulong dest, const void *src, unsigned long len); |