diff options
Diffstat (limited to 'linux-user/elfload.c')
| -rw-r--r-- | linux-user/elfload.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 68b9793649..c123244ecd 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -784,12 +784,18 @@ static uint32_t get_elf_hwcap(void) NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC); \ } while (0) +static inline uint32_t get_ppc64_abi(struct image_info *infop); + static inline void init_thread(struct target_pt_regs *_regs, struct image_info *infop) { _regs->gpr[1] = infop->start_stack; #if defined(TARGET_PPC64) && !defined(TARGET_ABI32) - _regs->gpr[2] = ldq_raw(infop->entry + 8) + infop->load_bias; - infop->entry = ldq_raw(infop->entry) + infop->load_bias; + if (get_ppc64_abi(infop) < 2) { + _regs->gpr[2] = ldq_raw(infop->entry + 8) + infop->load_bias; + infop->entry = ldq_raw(infop->entry) + infop->load_bias; + } else { + _regs->gpr[12] = infop->entry; /* r12 set to global entry address */ + } #endif _regs->nip = infop->entry; } @@ -1159,6 +1165,13 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i #include "elf.h" +#ifdef TARGET_PPC +static inline uint32_t get_ppc64_abi(struct image_info *infop) +{ + return infop->elf_flags & EF_PPC64_ABI; +} +#endif + struct exec { unsigned int a_info; /* Use macros N_MAGIC, etc for access */ @@ -1412,10 +1425,11 @@ static void zero_bss(abi_ulong elf_bss, abi_ulong last_bss, int prot) perror("cannot mmap brk"); exit(-1); } + } - /* Since we didn't use target_mmap, make sure to record - the validity of the pages with qemu. */ - page_set_flags(elf_bss & TARGET_PAGE_MASK, last_bss, prot|PAGE_VALID); + /* Ensure that the bss page(s) are valid */ + if ((page_get_flags(last_bss-1) & prot) != prot) { + page_set_flags(elf_bss & TARGET_PAGE_MASK, last_bss, prot | PAGE_VALID); } if (host_start < host_map_start) { @@ -1538,7 +1552,7 @@ static abi_ulong create_elf_tables(abi_ulong p, int argc, int envc, NEW_AUX_ENT(AT_PHDR, (abi_ulong)(info->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_PAGESZ, (abi_ulong)(MAX(TARGET_PAGE_SIZE, getpagesize()))); NEW_AUX_ENT(AT_BASE, (abi_ulong)(interp_info ? interp_info->load_addr : 0)); NEW_AUX_ENT(AT_FLAGS, (abi_ulong)0); NEW_AUX_ENT(AT_ENTRY, info->entry); |