diff options
Diffstat (limited to 'linux-user/elfload.c')
| -rw-r--r-- | linux-user/elfload.c | 138 |
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); |