diff options
| author | Warner Losh <imp@FreeBSD.org> | 2021-08-06 14:20:16 -0600 |
|---|---|---|
| committer | Warner Losh <imp@bsdimp.com> | 2021-09-10 14:13:06 -0600 |
| commit | 0475f8fac5b576597a50104050451e4ce4fcfc20 (patch) | |
| tree | 3ff76c70134138acc74769de61ab1d40c7343e55 /bsd-user/elfload.c | |
| parent | 25fb5d383d0713fa07d7a3518f8f993841e4e73b (diff) | |
bsd-user: add stubbed out core dump support
Add a stubbed-out version of the bsd-user fork's core dump support. This
allows elfload.c to be almost the same between what's upstream and
what's in qemu-project upstream w/o the burden of reviewing the core
dump support.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'bsd-user/elfload.c')
| -rw-r--r-- | bsd-user/elfload.c | 22 |
1 files changed, 20 insertions, 2 deletions
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; } |