diff options
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/elfload.c | 1028 |
1 files changed, 518 insertions, 510 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 2727222..6ea1e8d 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -35,18 +35,17 @@ * These occupy the top three bytes. */ enum { - ADDR_NO_RANDOMIZE = 0x0040000, /* disable randomization of VA space */ - FDPIC_FUNCPTRS = 0x0080000, /* userspace function ptrs point to descriptors - * (signal handling) - */ - MMAP_PAGE_ZERO = 0x0100000, - ADDR_COMPAT_LAYOUT = 0x0200000, - READ_IMPLIES_EXEC = 0x0400000, - ADDR_LIMIT_32BIT = 0x0800000, - SHORT_INODE = 0x1000000, - WHOLE_SECONDS = 0x2000000, - STICKY_TIMEOUTS = 0x4000000, - ADDR_LIMIT_3GB = 0x8000000, + ADDR_NO_RANDOMIZE = 0x0040000, /* disable randomization of VA space */ + FDPIC_FUNCPTRS = 0x0080000, /* userspace function ptrs point to + descriptors (signal handling) */ + MMAP_PAGE_ZERO = 0x0100000, + ADDR_COMPAT_LAYOUT = 0x0200000, + READ_IMPLIES_EXEC = 0x0400000, + ADDR_LIMIT_32BIT = 0x0800000, + SHORT_INODE = 0x1000000, + WHOLE_SECONDS = 0x2000000, + STICKY_TIMEOUTS = 0x4000000, + ADDR_LIMIT_3GB = 0x8000000, }; /* @@ -56,36 +55,35 @@ enum { * conflict with error returns. */ enum { - PER_LINUX = 0x0000, - PER_LINUX_32BIT = 0x0000 | ADDR_LIMIT_32BIT, - PER_LINUX_FDPIC = 0x0000 | FDPIC_FUNCPTRS, - PER_SVR4 = 0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO, - PER_SVR3 = 0x0002 | STICKY_TIMEOUTS | SHORT_INODE, - PER_SCOSVR3 = 0x0003 | STICKY_TIMEOUTS | - WHOLE_SECONDS | SHORT_INODE, - PER_OSR5 = 0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS, - PER_WYSEV386 = 0x0004 | STICKY_TIMEOUTS | SHORT_INODE, - PER_ISCR4 = 0x0005 | STICKY_TIMEOUTS, - PER_BSD = 0x0006, - PER_SUNOS = 0x0006 | STICKY_TIMEOUTS, - PER_XENIX = 0x0007 | STICKY_TIMEOUTS | SHORT_INODE, - PER_LINUX32 = 0x0008, - PER_LINUX32_3GB = 0x0008 | ADDR_LIMIT_3GB, - PER_IRIX32 = 0x0009 | STICKY_TIMEOUTS,/* IRIX5 32-bit */ - PER_IRIXN32 = 0x000a | STICKY_TIMEOUTS,/* IRIX6 new 32-bit */ - PER_IRIX64 = 0x000b | STICKY_TIMEOUTS,/* IRIX6 64-bit */ - PER_RISCOS = 0x000c, - PER_SOLARIS = 0x000d | STICKY_TIMEOUTS, - PER_UW7 = 0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO, - PER_OSF4 = 0x000f, /* OSF/1 v4 */ - PER_HPUX = 0x0010, - PER_MASK = 0x00ff, + PER_LINUX = 0x0000, + PER_LINUX_32BIT = 0x0000 | ADDR_LIMIT_32BIT, + PER_LINUX_FDPIC = 0x0000 | FDPIC_FUNCPTRS, + PER_SVR4 = 0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO, + PER_SVR3 = 0x0002 | STICKY_TIMEOUTS | SHORT_INODE, + PER_SCOSVR3 = 0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS | SHORT_INODE, + PER_OSR5 = 0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS, + PER_WYSEV386 = 0x0004 | STICKY_TIMEOUTS | SHORT_INODE, + PER_ISCR4 = 0x0005 | STICKY_TIMEOUTS, + PER_BSD = 0x0006, + PER_SUNOS = 0x0006 | STICKY_TIMEOUTS, + PER_XENIX = 0x0007 | STICKY_TIMEOUTS | SHORT_INODE, + PER_LINUX32 = 0x0008, + PER_LINUX32_3GB = 0x0008 | ADDR_LIMIT_3GB, + PER_IRIX32 = 0x0009 | STICKY_TIMEOUTS,/* IRIX5 32-bit */ + PER_IRIXN32 = 0x000a | STICKY_TIMEOUTS,/* IRIX6 new 32-bit */ + PER_IRIX64 = 0x000b | STICKY_TIMEOUTS,/* IRIX6 64-bit */ + PER_RISCOS = 0x000c, + PER_SOLARIS = 0x000d | STICKY_TIMEOUTS, + PER_UW7 = 0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO, + PER_OSF4 = 0x000f, /* OSF/1 v4 */ + PER_HPUX = 0x0010, + PER_MASK = 0x00ff, }; /* * Return the base personality without flags. */ -#define personality(pers) (pers & PER_MASK) +#define personality(pers) (pers & PER_MASK) /* this flag is uneffective under linux too, should be deleted */ #ifndef MAP_DENYWRITE @@ -97,15 +95,15 @@ enum { #define ELIBBAD 80 #endif -typedef target_ulong target_elf_greg_t; +typedef target_ulong target_elf_greg_t; #ifdef USE_UID16 -typedef uint16_t target_uid_t; -typedef uint16_t target_gid_t; +typedef uint16_t target_uid_t; +typedef uint16_t target_gid_t; #else -typedef uint32_t target_uid_t; -typedef uint32_t target_gid_t; +typedef uint32_t target_uid_t; +typedef uint32_t target_gid_t; #endif -typedef int32_t target_pid_t; +typedef int32_t target_pid_t; #ifdef TARGET_I386 @@ -126,7 +124,7 @@ static const char *get_elf_platform(void) static uint32_t get_elf_hwcap(void) { - return thread_env->cpuid_features; + return thread_env->cpuid_features; } #ifdef TARGET_X86_64 @@ -197,11 +195,12 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUState *env) /* * These are used to set parameters in the core dumps. */ -#define ELF_CLASS ELFCLASS32 -#define ELF_DATA ELFDATA2LSB -#define ELF_ARCH EM_386 +#define ELF_CLASS ELFCLASS32 +#define ELF_DATA ELFDATA2LSB +#define ELF_ARCH EM_386 -static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop) +static inline void init_thread(struct target_pt_regs *regs, + struct image_info *infop) { regs->esp = infop->start_stack; regs->eip = infop->entry; @@ -249,7 +248,7 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUState *env) #endif #define USE_ELF_CORE_DUMP -#define ELF_EXEC_PAGESIZE 4096 +#define ELF_EXEC_PAGESIZE 4096 #endif @@ -259,21 +258,22 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUState *env) #define elf_check_arch(x) ( (x) == EM_ARM ) -#define ELF_CLASS ELFCLASS32 +#define ELF_CLASS ELFCLASS32 #ifdef TARGET_WORDS_BIGENDIAN -#define ELF_DATA ELFDATA2MSB +#define ELF_DATA ELFDATA2MSB #else -#define ELF_DATA ELFDATA2LSB +#define ELF_DATA ELFDATA2LSB #endif -#define ELF_ARCH EM_ARM +#define ELF_ARCH EM_ARM -static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop) +static inline void init_thread(struct target_pt_regs *regs, + struct image_info *infop) { abi_long stack = infop->start_stack; memset(regs, 0, sizeof(*regs)); regs->ARM_cpsr = 0x10; if (infop->entry & 1) - regs->ARM_cpsr |= CPSR_T; + regs->ARM_cpsr |= CPSR_T; regs->ARM_pc = infop->entry & 0xfffffffe; regs->ARM_sp = infop->start_stack; /* FIXME - what to for failure of get_user()? */ @@ -313,30 +313,30 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUState *env) } #define USE_ELF_CORE_DUMP -#define ELF_EXEC_PAGESIZE 4096 +#define ELF_EXEC_PAGESIZE 4096 enum { - ARM_HWCAP_ARM_SWP = 1 << 0, - ARM_HWCAP_ARM_HALF = 1 << 1, - ARM_HWCAP_ARM_THUMB = 1 << 2, - ARM_HWCAP_ARM_26BIT = 1 << 3, - ARM_HWCAP_ARM_FAST_MULT = 1 << 4, - ARM_HWCAP_ARM_FPA = 1 << 5, - ARM_HWCAP_ARM_VFP = 1 << 6, - ARM_HWCAP_ARM_EDSP = 1 << 7, - ARM_HWCAP_ARM_JAVA = 1 << 8, - ARM_HWCAP_ARM_IWMMXT = 1 << 9, - ARM_HWCAP_ARM_THUMBEE = 1 << 10, - ARM_HWCAP_ARM_NEON = 1 << 11, - ARM_HWCAP_ARM_VFPv3 = 1 << 12, - ARM_HWCAP_ARM_VFPv3D16 = 1 << 13, + ARM_HWCAP_ARM_SWP = 1 << 0, + ARM_HWCAP_ARM_HALF = 1 << 1, + ARM_HWCAP_ARM_THUMB = 1 << 2, + ARM_HWCAP_ARM_26BIT = 1 << 3, + ARM_HWCAP_ARM_FAST_MULT = 1 << 4, + ARM_HWCAP_ARM_FPA = 1 << 5, + ARM_HWCAP_ARM_VFP = 1 << 6, + ARM_HWCAP_ARM_EDSP = 1 << 7, + ARM_HWCAP_ARM_JAVA = 1 << 8, + ARM_HWCAP_ARM_IWMMXT = 1 << 9, + ARM_HWCAP_ARM_THUMBEE = 1 << 10, + ARM_HWCAP_ARM_NEON = 1 << 11, + ARM_HWCAP_ARM_VFPv3 = 1 << 12, + ARM_HWCAP_ARM_VFPv3D16 = 1 << 13, }; -#define ELF_HWCAP (ARM_HWCAP_ARM_SWP | ARM_HWCAP_ARM_HALF \ - | ARM_HWCAP_ARM_THUMB | ARM_HWCAP_ARM_FAST_MULT \ - | ARM_HWCAP_ARM_FPA | ARM_HWCAP_ARM_VFP \ - | ARM_HWCAP_ARM_NEON | ARM_HWCAP_ARM_VFPv3 ) +#define ELF_HWCAP (ARM_HWCAP_ARM_SWP | ARM_HWCAP_ARM_HALF \ + | ARM_HWCAP_ARM_THUMB | ARM_HWCAP_ARM_FAST_MULT \ + | ARM_HWCAP_ARM_FPA | ARM_HWCAP_ARM_VFP \ + | ARM_HWCAP_ARM_NEON | ARM_HWCAP_ARM_VFPv3 ) #endif @@ -355,9 +355,10 @@ enum #define ELF_DATA ELFDATA2MSB #define ELF_ARCH EM_SPARCV9 -#define STACK_BIAS 2047 +#define STACK_BIAS 2047 -static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop) +static inline void init_thread(struct target_pt_regs *regs, + struct image_info *infop) { #ifndef TARGET_ABI32 regs->tstate = 0; @@ -384,7 +385,8 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i #define ELF_DATA ELFDATA2MSB #define ELF_ARCH EM_SPARC -static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop) +static inline void init_thread(struct target_pt_regs *regs, + struct image_info *infop) { regs->psr = 0; regs->pc = infop->entry; @@ -404,22 +406,22 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i #define elf_check_arch(x) ( (x) == EM_PPC64 ) -#define ELF_CLASS ELFCLASS64 +#define ELF_CLASS ELFCLASS64 #else #define elf_check_arch(x) ( (x) == EM_PPC ) -#define ELF_CLASS ELFCLASS32 +#define ELF_CLASS ELFCLASS32 #endif #ifdef TARGET_WORDS_BIGENDIAN -#define ELF_DATA ELFDATA2MSB +#define ELF_DATA ELFDATA2MSB #else -#define ELF_DATA ELFDATA2LSB +#define ELF_DATA ELFDATA2LSB #endif -#define ELF_ARCH EM_PPC +#define ELF_ARCH EM_PPC /* Feature masks for the Aux Vector Hardware Capabilities (AT_HWCAP). See arch/powerpc/include/asm/cputable.h. */ @@ -464,7 +466,7 @@ static uint32_t get_elf_hwcap(void) /* We don't have to be terribly complete here; the high points are Altivec/FP/SPE support. Anything else is just a bonus. */ -#define GET_FEATURE(flag, feature) \ +#define GET_FEATURE(flag, feature) \ do {if (e->insns_flags & flag) features |= feature; } while(0) GET_FEATURE(PPC_64B, QEMU_PPC_FEATURE_64); GET_FEATURE(PPC_FLOAT, QEMU_PPC_FEATURE_HAS_FPU); @@ -489,17 +491,17 @@ static uint32_t get_elf_hwcap(void) * even if DLINFO_ARCH_ITEMS goes to zero or is undefined. */ #define DLINFO_ARCH_ITEMS 5 -#define ARCH_DLINFO \ -do { \ - NEW_AUX_ENT(AT_DCACHEBSIZE, 0x20); \ - NEW_AUX_ENT(AT_ICACHEBSIZE, 0x20); \ - NEW_AUX_ENT(AT_UCACHEBSIZE, 0); \ - /* \ - * Now handle glibc compatibility. \ - */ \ - NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC); \ - NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC); \ - } while (0) +#define ARCH_DLINFO \ + do { \ + NEW_AUX_ENT(AT_DCACHEBSIZE, 0x20); \ + NEW_AUX_ENT(AT_ICACHEBSIZE, 0x20); \ + NEW_AUX_ENT(AT_UCACHEBSIZE, 0); \ + /* \ + * Now handle glibc compatibility. \ + */ \ + NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC); \ + NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC); \ + } while (0) static inline void init_thread(struct target_pt_regs *_regs, struct image_info *infop) { @@ -537,7 +539,7 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUState *env) } #define USE_ELF_CORE_DUMP -#define ELF_EXEC_PAGESIZE 4096 +#define ELF_EXEC_PAGESIZE 4096 #endif @@ -553,13 +555,14 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUState *env) #define ELF_CLASS ELFCLASS32 #endif #ifdef TARGET_WORDS_BIGENDIAN -#define ELF_DATA ELFDATA2MSB +#define ELF_DATA ELFDATA2MSB #else -#define ELF_DATA ELFDATA2LSB +#define ELF_DATA ELFDATA2LSB #endif #define ELF_ARCH EM_MIPS -static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop) +static inline void init_thread(struct target_pt_regs *regs, + struct image_info *infop) { regs->cp0_status = 2 << CP0St_KSU; regs->cp0_epc = infop->entry; @@ -623,10 +626,11 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUState *env) #define elf_check_arch(x) ( (x) == EM_MICROBLAZE || (x) == EM_MICROBLAZE_OLD) #define ELF_CLASS ELFCLASS32 -#define ELF_DATA ELFDATA2MSB +#define ELF_DATA ELFDATA2MSB #define ELF_ARCH EM_MICROBLAZE -static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop) +static inline void init_thread(struct target_pt_regs *regs, + struct image_info *infop) { regs->pc = infop->entry; regs->r1 = infop->start_stack; @@ -665,11 +669,12 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUState *env) #define ELF_DATA ELFDATA2LSB #define ELF_ARCH EM_SH -static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop) +static inline void init_thread(struct target_pt_regs *regs, + struct image_info *infop) { - /* Check other registers XXXXX */ - regs->pc = infop->entry; - regs->regs[15] = infop->start_stack; + /* Check other registers XXXXX */ + regs->pc = infop->entry; + regs->regs[15] = infop->start_stack; } /* See linux kernel: arch/sh/include/asm/elf.h. */ @@ -687,7 +692,8 @@ enum { TARGET_REG_SYSCALL = 22 }; -static inline void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUState *env) +static inline void elf_core_copy_regs(target_elf_gregset_t *regs, + const CPUState *env) { int i; @@ -719,9 +725,10 @@ static inline void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUState #define ELF_DATA ELFDATA2LSB #define ELF_ARCH EM_CRIS -static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop) +static inline void init_thread(struct target_pt_regs *regs, + struct image_info *infop) { - regs->erp = infop->entry; + regs->erp = infop->entry; } #define ELF_EXEC_PAGESIZE 8192 @@ -734,14 +741,15 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i #define elf_check_arch(x) ( (x) == EM_68K ) -#define ELF_CLASS ELFCLASS32 -#define ELF_DATA ELFDATA2MSB -#define ELF_ARCH EM_68K +#define ELF_CLASS ELFCLASS32 +#define ELF_DATA ELFDATA2MSB +#define ELF_ARCH EM_68K /* ??? Does this need to do anything? -#define ELF_PLAT_INIT(_r) */ + #define ELF_PLAT_INIT(_r) */ -static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop) +static inline void init_thread(struct target_pt_regs *regs, + struct image_info *infop) { regs->usp = infop->start_stack; regs->sr = 0; @@ -777,7 +785,7 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUState *env) } #define USE_ELF_CORE_DUMP -#define ELF_EXEC_PAGESIZE 8192 +#define ELF_EXEC_PAGESIZE 8192 #endif @@ -791,7 +799,8 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUState *env) #define ELF_DATA ELFDATA2MSB #define ELF_ARCH EM_ALPHA -static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop) +static inline void init_thread(struct target_pt_regs *regs, + struct image_info *infop) { regs->pc = infop->entry; regs->ps = 8; @@ -821,14 +830,14 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i struct exec { - unsigned int a_info; /* Use macros N_MAGIC, etc for access */ - unsigned int a_text; /* length of text, in bytes */ - unsigned int a_data; /* length of data, in bytes */ - unsigned int a_bss; /* length of uninitialized data area, in bytes */ - unsigned int a_syms; /* length of symbol table data in file, in bytes */ - unsigned int a_entry; /* start address */ - unsigned int a_trsize; /* length of relocation info for text, in bytes */ - unsigned int a_drsize; /* length of relocation info for data, in bytes */ + unsigned int a_info; /* Use macros N_MAGIC, etc for access */ + unsigned int a_text; /* length of text, in bytes */ + unsigned int a_data; /* length of data, in bytes */ + unsigned int a_bss; /* length of uninitialized data area, in bytes */ + unsigned int a_syms; /* length of symbol table data in file, in bytes */ + unsigned int a_entry; /* start address */ + unsigned int a_trsize; /* length of relocation info for text, in bytes */ + unsigned int a_drsize; /* length of relocation info for data, in bytes */ }; @@ -857,7 +866,7 @@ struct exec static inline void memcpy_fromfs(void * to, const void * from, unsigned long n) { - memcpy(to, from, n); + memcpy(to, from, n); } static int load_aout_interp(void * exptr, int interp_fd); @@ -865,31 +874,31 @@ static int load_aout_interp(void * exptr, int interp_fd); #ifdef BSWAP_NEEDED static void bswap_ehdr(struct elfhdr *ehdr) { - bswap16s(&ehdr->e_type); /* Object file type */ - bswap16s(&ehdr->e_machine); /* Architecture */ - bswap32s(&ehdr->e_version); /* Object file version */ - bswaptls(&ehdr->e_entry); /* Entry point virtual address */ - bswaptls(&ehdr->e_phoff); /* Program header table file offset */ - bswaptls(&ehdr->e_shoff); /* Section header table file offset */ - bswap32s(&ehdr->e_flags); /* Processor-specific flags */ - bswap16s(&ehdr->e_ehsize); /* ELF header size in bytes */ - bswap16s(&ehdr->e_phentsize); /* Program header table entry size */ - bswap16s(&ehdr->e_phnum); /* Program header table entry count */ - bswap16s(&ehdr->e_shentsize); /* Section header table entry size */ - bswap16s(&ehdr->e_shnum); /* Section header table entry count */ - bswap16s(&ehdr->e_shstrndx); /* Section header string table index */ + bswap16s(&ehdr->e_type); /* Object file type */ + bswap16s(&ehdr->e_machine); /* Architecture */ + bswap32s(&ehdr->e_version); /* Object file version */ + bswaptls(&ehdr->e_entry); /* Entry point virtual address */ + bswaptls(&ehdr->e_phoff); /* Program header table file offset */ + bswaptls(&ehdr->e_shoff); /* Section header table file offset */ + bswap32s(&ehdr->e_flags); /* Processor-specific flags */ + bswap16s(&ehdr->e_ehsize); /* ELF header size in bytes */ + bswap16s(&ehdr->e_phentsize); /* Program header table entry size */ + bswap16s(&ehdr->e_phnum); /* Program header table entry count */ + bswap16s(&ehdr->e_shentsize); /* Section header table entry size */ + bswap16s(&ehdr->e_shnum); /* Section header table entry count */ + bswap16s(&ehdr->e_shstrndx); /* Section header string table index */ } static void bswap_phdr(struct elf_phdr *phdr) { - bswap32s(&phdr->p_type); /* Segment type */ - bswaptls(&phdr->p_offset); /* Segment file offset */ - bswaptls(&phdr->p_vaddr); /* Segment virtual address */ - bswaptls(&phdr->p_paddr); /* Segment physical address */ - bswaptls(&phdr->p_filesz); /* Segment size in file */ - bswaptls(&phdr->p_memsz); /* Segment size in memory */ - bswap32s(&phdr->p_flags); /* Segment flags */ - bswaptls(&phdr->p_align); /* Segment alignment */ + bswap32s(&phdr->p_type); /* Segment type */ + bswaptls(&phdr->p_offset); /* Segment file offset */ + bswaptls(&phdr->p_vaddr); /* Segment virtual address */ + bswaptls(&phdr->p_paddr); /* Segment physical address */ + bswaptls(&phdr->p_filesz); /* Segment size in file */ + bswaptls(&phdr->p_memsz); /* Segment size in memory */ + bswap32s(&phdr->p_flags); /* Segment flags */ + bswaptls(&phdr->p_align); /* Segment alignment */ } static void bswap_shdr(struct elf_shdr *shdr) @@ -942,24 +951,24 @@ static abi_ulong copy_elf_strings(int argc,char ** argv, void **page, int len, offset = 0; if (!p) { - return 0; /* bullet-proofing */ + return 0; /* bullet-proofing */ } while (argc-- > 0) { tmp = argv[argc]; if (!tmp) { - fprintf(stderr, "VFS: argc is wrong"); - exit(-1); - } + fprintf(stderr, "VFS: argc is wrong"); + exit(-1); + } tmp1 = tmp; - while (*tmp++); - len = tmp - tmp1; - if (p < len) { /* this shouldn't happen - 128kB */ - return 0; - } - while (len) { - --p; --tmp; --len; - if (--offset < 0) { - offset = p % TARGET_PAGE_SIZE; + while (*tmp++); + len = tmp - tmp1; + if (p < len) { /* this shouldn't happen - 128kB */ + return 0; + } + while (len) { + --p; --tmp; --len; + if (--offset < 0) { + offset = p % TARGET_PAGE_SIZE; pag = (char *)page[p/TARGET_PAGE_SIZE]; if (!pag) { pag = (char *)malloc(TARGET_PAGE_SIZE); @@ -967,20 +976,20 @@ static abi_ulong copy_elf_strings(int argc,char ** argv, void **page, page[p/TARGET_PAGE_SIZE] = pag; if (!pag) return 0; - } - } - if (len == 0 || offset == 0) { - *(pag + offset) = *tmp; - } - else { - int bytes_to_copy = (len > offset) ? offset : len; - tmp -= bytes_to_copy; - p -= bytes_to_copy; - offset -= bytes_to_copy; - len -= bytes_to_copy; - memcpy_fromfs(pag + offset, tmp, bytes_to_copy + 1); - } - } + } + } + if (len == 0 || offset == 0) { + *(pag + offset) = *tmp; + } + else { + int bytes_to_copy = (len > offset) ? offset : len; + tmp -= bytes_to_copy; + p -= bytes_to_copy; + offset -= bytes_to_copy; + len -= bytes_to_copy; + memcpy_fromfs(pag + offset, tmp, bytes_to_copy + 1); + } + } } return p; } @@ -1014,12 +1023,12 @@ static abi_ulong setup_arg_pages(abi_ulong p, struct linux_binprm *bprm, p += stack_base; for (i = 0 ; i < MAX_ARG_PAGES ; i++) { - if (bprm->page[i]) { - info->rss++; + if (bprm->page[i]) { + info->rss++; /* FIXME - check return value of memcpy_to_target() for failure */ - memcpy_to_target(stack_base, bprm->page[i], TARGET_PAGE_SIZE); - free(bprm->page[i]); - } + memcpy_to_target(stack_base, bprm->page[i], TARGET_PAGE_SIZE); + free(bprm->page[i]); + } stack_base += TARGET_PAGE_SIZE; } return p; @@ -1074,77 +1083,77 @@ static abi_ulong create_elf_tables(abi_ulong p, int argc, int envc, abi_ulong interp_load_addr, int ibcs, struct image_info *info) { - abi_ulong sp; - int size; - abi_ulong u_platform; - const char *k_platform; - const int n = sizeof(elf_addr_t); - - sp = p; - u_platform = 0; - k_platform = ELF_PLATFORM; - if (k_platform) { - size_t len = strlen(k_platform) + 1; - sp -= (len + n - 1) & ~(n - 1); - u_platform = sp; - /* FIXME - check return value of memcpy_to_target() for failure */ - memcpy_to_target(sp, k_platform, len); - } - /* - * Force 16 byte _final_ alignment here for generality. - */ - sp = sp &~ (abi_ulong)15; - size = (DLINFO_ITEMS + 1) * 2; - if (k_platform) - size += 2; + abi_ulong sp; + int size; + abi_ulong u_platform; + const char *k_platform; + const int n = sizeof(elf_addr_t); + + sp = p; + u_platform = 0; + k_platform = ELF_PLATFORM; + if (k_platform) { + size_t len = strlen(k_platform) + 1; + sp -= (len + n - 1) & ~(n - 1); + u_platform = sp; + /* FIXME - check return value of memcpy_to_target() for failure */ + memcpy_to_target(sp, k_platform, len); + } + /* + * Force 16 byte _final_ alignment here for generality. + */ + sp = sp &~ (abi_ulong)15; + size = (DLINFO_ITEMS + 1) * 2; + if (k_platform) + size += 2; #ifdef DLINFO_ARCH_ITEMS - size += DLINFO_ARCH_ITEMS * 2; + size += DLINFO_ARCH_ITEMS * 2; #endif - size += envc + argc + 2; - size += (!ibcs ? 3 : 1); /* argc itself */ - size *= n; - if (size & 15) - sp -= 16 - (size & 15); - - /* This is correct because Linux defines - * elf_addr_t as Elf32_Off / Elf64_Off - */ -#define NEW_AUX_ENT(id, val) do { \ - sp -= n; put_user_ual(val, sp); \ - sp -= n; put_user_ual(id, sp); \ - } while(0) - - NEW_AUX_ENT (AT_NULL, 0); - - /* There must be exactly DLINFO_ITEMS entries here. */ - 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, (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); - NEW_AUX_ENT(AT_CLKTCK, (abi_ulong) sysconf(_SC_CLK_TCK)); - if (k_platform) - NEW_AUX_ENT(AT_PLATFORM, u_platform); + size += envc + argc + 2; + size += (!ibcs ? 3 : 1); /* argc itself */ + size *= n; + if (size & 15) + sp -= 16 - (size & 15); + + /* This is correct because Linux defines + * elf_addr_t as Elf32_Off / Elf64_Off + */ +#define NEW_AUX_ENT(id, val) do { \ + sp -= n; put_user_ual(val, sp); \ + sp -= n; put_user_ual(id, sp); \ + } while(0) + + NEW_AUX_ENT (AT_NULL, 0); + + /* There must be exactly DLINFO_ITEMS entries here. */ + 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, (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); + NEW_AUX_ENT(AT_CLKTCK, (abi_ulong) sysconf(_SC_CLK_TCK)); + if (k_platform) + NEW_AUX_ENT(AT_PLATFORM, u_platform); #ifdef ARCH_DLINFO - /* - * ARCH_DLINFO must come last so platform specific code can enforce - * special alignment requirements on the AUXV if necessary (eg. PPC). - */ - ARCH_DLINFO; + /* + * ARCH_DLINFO must come last so platform specific code can enforce + * special alignment requirements on the AUXV if necessary (eg. PPC). + */ + ARCH_DLINFO; #endif #undef NEW_AUX_ENT - info->saved_auxv = sp; + info->saved_auxv = sp; - sp = loader_build_argptr(envc, argc, sp, p, !ibcs); - return sp; + sp = loader_build_argptr(envc, argc, sp, p, !ibcs); + return sp; } @@ -1152,112 +1161,112 @@ 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; - abi_ulong load_addr = 0; - int load_addr_set = 0; - int retval; - abi_ulong error; - int i; + struct elf_phdr *elf_phdata = NULL; + struct elf_phdr *eppnt; + abi_ulong load_addr = 0; + int load_addr_set = 0; + int retval; + abi_ulong error; + int i; - error = 0; + error = 0; #ifdef BSWAP_NEEDED - bswap_ehdr(interp_elf_ex); + bswap_ehdr(interp_elf_ex); #endif - /* First of all, some simple consistency checks */ - if ((interp_elf_ex->e_type != ET_EXEC && - interp_elf_ex->e_type != ET_DYN) || - !elf_check_arch(interp_elf_ex->e_machine)) { - return ~((abi_ulong)0UL); - } + /* First of all, some simple consistency checks */ + if ((interp_elf_ex->e_type != ET_EXEC && + interp_elf_ex->e_type != ET_DYN) || + !elf_check_arch(interp_elf_ex->e_machine)) { + return ~((abi_ulong)0UL); + } - /* Now read in all of the header information */ + /* Now read in all of the header information */ - if (sizeof(struct elf_phdr) * interp_elf_ex->e_phnum > TARGET_PAGE_SIZE) - return ~(abi_ulong)0UL; + if (sizeof(struct elf_phdr) * interp_elf_ex->e_phnum > TARGET_PAGE_SIZE) + return ~(abi_ulong)0UL; - elf_phdata = (struct elf_phdr *) - malloc(sizeof(struct elf_phdr) * interp_elf_ex->e_phnum); + elf_phdata = (struct elf_phdr *) + malloc(sizeof(struct elf_phdr) * interp_elf_ex->e_phnum); - if (!elf_phdata) - return ~((abi_ulong)0UL); + if (!elf_phdata) + return ~((abi_ulong)0UL); - /* - * If the size of this structure has changed, then punt, since - * we will be doing the wrong thing. - */ - if (interp_elf_ex->e_phentsize != sizeof(struct elf_phdr)) { - free(elf_phdata); - return ~((abi_ulong)0UL); - } + /* + * If the size of this structure has changed, then punt, since + * we will be doing the wrong thing. + */ + if (interp_elf_ex->e_phentsize != sizeof(struct elf_phdr)) { + free(elf_phdata); + return ~((abi_ulong)0UL); + } - retval = lseek(interpreter_fd, interp_elf_ex->e_phoff, SEEK_SET); - if(retval >= 0) { - retval = read(interpreter_fd, - (char *) elf_phdata, - sizeof(struct elf_phdr) * interp_elf_ex->e_phnum); - } - if (retval < 0) { - perror("load_elf_interp"); - exit(-1); - free (elf_phdata); - return retval; - } + retval = lseek(interpreter_fd, interp_elf_ex->e_phoff, SEEK_SET); + if(retval >= 0) { + retval = read(interpreter_fd, + (char *) elf_phdata, + sizeof(struct elf_phdr) * interp_elf_ex->e_phnum); + } + if (retval < 0) { + perror("load_elf_interp"); + exit(-1); + free (elf_phdata); + return retval; + } #ifdef BSWAP_NEEDED - eppnt = elf_phdata; - for (i=0; i<interp_elf_ex->e_phnum; i++, eppnt++) { - bswap_phdr(eppnt); - } + eppnt = elf_phdata; + for (i=0; i<interp_elf_ex->e_phnum; i++, eppnt++) { + bswap_phdr(eppnt); + } #endif - if (interp_elf_ex->e_type == ET_DYN) { - /* in order to avoid hardcoding the interpreter load - address in qemu, we allocate a big enough memory zone */ - error = target_mmap(0, INTERP_MAP_SIZE, - PROT_NONE, MAP_PRIVATE | MAP_ANON, - -1, 0); + if (interp_elf_ex->e_type == ET_DYN) { + /* in order to avoid hardcoding the interpreter load + address in qemu, we allocate a big enough memory zone */ + error = target_mmap(0, INTERP_MAP_SIZE, + PROT_NONE, MAP_PRIVATE | MAP_ANON, + -1, 0); + if (error == -1) { + perror("mmap"); + exit(-1); + } + load_addr = error; + load_addr_set = 1; + } + + eppnt = elf_phdata; + for(i=0; i<interp_elf_ex->e_phnum; i++, eppnt++) + if (eppnt->p_type == PT_LOAD) { + int elf_type = MAP_PRIVATE | MAP_DENYWRITE; + int elf_prot = 0; + abi_ulong vaddr = 0; + + if (eppnt->p_flags & PF_R) elf_prot = PROT_READ; + if (eppnt->p_flags & PF_W) elf_prot |= PROT_WRITE; + if (eppnt->p_flags & PF_X) elf_prot |= PROT_EXEC; + if (interp_elf_ex->e_type == ET_EXEC || load_addr_set) { + elf_type |= MAP_FIXED; + vaddr = eppnt->p_vaddr; + } + error = target_mmap(load_addr+TARGET_ELF_PAGESTART(vaddr), + eppnt->p_filesz + TARGET_ELF_PAGEOFFSET(eppnt->p_vaddr), + elf_prot, + elf_type, + interpreter_fd, + eppnt->p_offset - TARGET_ELF_PAGEOFFSET(eppnt->p_vaddr)); + if (error == -1) { - perror("mmap"); - exit(-1); + /* Real error */ + close(interpreter_fd); + free(elf_phdata); + return ~((abi_ulong)0UL); } - load_addr = error; - load_addr_set = 1; - } - eppnt = elf_phdata; - for(i=0; i<interp_elf_ex->e_phnum; i++, eppnt++) - if (eppnt->p_type == PT_LOAD) { - int elf_type = MAP_PRIVATE | MAP_DENYWRITE; - int elf_prot = 0; - abi_ulong vaddr = 0; - - if (eppnt->p_flags & PF_R) elf_prot = PROT_READ; - if (eppnt->p_flags & PF_W) elf_prot |= PROT_WRITE; - if (eppnt->p_flags & PF_X) elf_prot |= PROT_EXEC; - if (interp_elf_ex->e_type == ET_EXEC || load_addr_set) { - elf_type |= MAP_FIXED; - vaddr = eppnt->p_vaddr; - } - error = target_mmap(load_addr+TARGET_ELF_PAGESTART(vaddr), - eppnt->p_filesz + TARGET_ELF_PAGEOFFSET(eppnt->p_vaddr), - elf_prot, - elf_type, - interpreter_fd, - eppnt->p_offset - TARGET_ELF_PAGEOFFSET(eppnt->p_vaddr)); - - if (error == -1) { - /* Real error */ - close(interpreter_fd); - free(elf_phdata); - return ~((abi_ulong)0UL); - } - - if (!load_addr_set && interp_elf_ex->e_type == ET_DYN) { - load_addr = error; - load_addr_set = 1; - } + if (!load_addr_set && interp_elf_ex->e_type == ET_DYN) { + load_addr = error; + load_addr_set = 1; + } /* If the load segment requests extra zeros (e.g. bss), map it. */ if (eppnt->p_filesz < eppnt->p_memsz) { @@ -1265,15 +1274,15 @@ static abi_ulong load_elf_interp(struct elfhdr * interp_elf_ex, zero_bss(base + eppnt->p_filesz, base + eppnt->p_memsz, elf_prot); } - } + } - /* Now use mmap to map the library into memory. */ + /* Now use mmap to map the library into memory. */ - close(interpreter_fd); - free(elf_phdata); + close(interpreter_fd); + free(elf_phdata); - *interp_load_addr = load_addr; - return ((abi_ulong) interp_elf_ex->e_entry) + load_addr; + *interp_load_addr = load_addr; + return ((abi_ulong) interp_elf_ex->e_entry) + load_addr; } static int symfind(const void *s0, const void *s1) @@ -1375,8 +1384,8 @@ static void load_symbols(struct elfhdr *hdr, int fd) #endif // Throw away entries which we do not need. if (syms[i].st_shndx == SHN_UNDEF || - syms[i].st_shndx >= SHN_LORESERVE || - ELF_ST_TYPE(syms[i].st_info) != STT_FUNC) { + syms[i].st_shndx >= SHN_LORESERVE || + ELF_ST_TYPE(syms[i].st_info) != STT_FUNC) { nsyms--; if (i < nsyms) { syms[i] = syms[nsyms]; @@ -1444,8 +1453,8 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs, /* First of all, some simple consistency checks */ if ((elf_ex.e_type != ET_EXEC && elf_ex.e_type != ET_DYN) || - (! elf_check_arch(elf_ex.e_machine))) { - return -ENOEXEC; + (! elf_check_arch(elf_ex.e_machine))) { + return -ENOEXEC; } bprm->p = copy_elf_strings(1, &bprm->filename, bprm->page, bprm->p); @@ -1458,20 +1467,20 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs, /* Now read in all of the header information */ elf_phdata = (struct elf_phdr *)malloc(elf_ex.e_phentsize*elf_ex.e_phnum); if (elf_phdata == NULL) { - return -ENOMEM; + return -ENOMEM; } retval = lseek(bprm->fd, elf_ex.e_phoff, SEEK_SET); if(retval > 0) { - retval = read(bprm->fd, (char *) elf_phdata, - elf_ex.e_phentsize * elf_ex.e_phnum); + retval = read(bprm->fd, (char *) elf_phdata, + elf_ex.e_phentsize * elf_ex.e_phnum); } if (retval < 0) { - perror("load_elf_binary"); - exit(-1); - free (elf_phdata); - return -errno; + perror("load_elf_binary"); + exit(-1); + free (elf_phdata); + return -errno; } #ifdef BSWAP_NEEDED @@ -1493,131 +1502,131 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs, interp_ex.a_info = 0; for(i=0;i < elf_ex.e_phnum; i++) { - if (elf_ppnt->p_type == PT_INTERP) { - if ( elf_interpreter != NULL ) - { - free (elf_phdata); - free(elf_interpreter); - close(bprm->fd); - return -EINVAL; - } - - /* This is the program interpreter used for - * shared libraries - for now assume that this - * is an a.out format binary - */ - - elf_interpreter = (char *)malloc(elf_ppnt->p_filesz); - - if (elf_interpreter == NULL) { - free (elf_phdata); - close(bprm->fd); - return -ENOMEM; - } - - retval = lseek(bprm->fd, elf_ppnt->p_offset, SEEK_SET); - if(retval >= 0) { - retval = read(bprm->fd, elf_interpreter, elf_ppnt->p_filesz); - } - if(retval < 0) { - perror("load_elf_binary2"); - exit(-1); - } - - /* If the program interpreter is one of these two, - then assume an iBCS2 image. Otherwise assume - a native linux image. */ - - /* JRP - Need to add X86 lib dir stuff here... */ - - if (strcmp(elf_interpreter,"/usr/lib/libc.so.1") == 0 || - strcmp(elf_interpreter,"/usr/lib/ld.so.1") == 0) { - ibcs2_interpreter = 1; - } + if (elf_ppnt->p_type == PT_INTERP) { + if ( elf_interpreter != NULL ) + { + free (elf_phdata); + free(elf_interpreter); + close(bprm->fd); + return -EINVAL; + } + + /* This is the program interpreter used for + * shared libraries - for now assume that this + * is an a.out format binary + */ + + elf_interpreter = (char *)malloc(elf_ppnt->p_filesz); + + if (elf_interpreter == NULL) { + free (elf_phdata); + close(bprm->fd); + return -ENOMEM; + } + + retval = lseek(bprm->fd, elf_ppnt->p_offset, SEEK_SET); + if(retval >= 0) { + retval = read(bprm->fd, elf_interpreter, elf_ppnt->p_filesz); + } + if(retval < 0) { + perror("load_elf_binary2"); + exit(-1); + } + + /* If the program interpreter is one of these two, + then assume an iBCS2 image. Otherwise assume + a native linux image. */ + + /* JRP - Need to add X86 lib dir stuff here... */ + + if (strcmp(elf_interpreter,"/usr/lib/libc.so.1") == 0 || + strcmp(elf_interpreter,"/usr/lib/ld.so.1") == 0) { + ibcs2_interpreter = 1; + } #if 0 - printf("Using ELF interpreter %s\n", path(elf_interpreter)); + printf("Using ELF interpreter %s\n", path(elf_interpreter)); #endif - if (retval >= 0) { - retval = open(path(elf_interpreter), O_RDONLY); - if(retval >= 0) { - interpreter_fd = retval; - } - else { - perror(elf_interpreter); - exit(-1); - /* retval = -errno; */ - } - } - - if (retval >= 0) { - retval = lseek(interpreter_fd, 0, SEEK_SET); - if(retval >= 0) { - retval = read(interpreter_fd,bprm->buf,128); - } - } - if (retval >= 0) { - interp_ex = *((struct exec *) bprm->buf); /* aout exec-header */ - interp_elf_ex = *((struct elfhdr *) bprm->buf); /* elf exec-header */ - } - if (retval < 0) { - perror("load_elf_binary3"); - exit(-1); - free (elf_phdata); - free(elf_interpreter); - close(bprm->fd); - return retval; - } - } - elf_ppnt++; + if (retval >= 0) { + retval = open(path(elf_interpreter), O_RDONLY); + if(retval >= 0) { + interpreter_fd = retval; + } + else { + perror(elf_interpreter); + exit(-1); + /* retval = -errno; */ + } + } + + if (retval >= 0) { + retval = lseek(interpreter_fd, 0, SEEK_SET); + if(retval >= 0) { + retval = read(interpreter_fd,bprm->buf,128); + } + } + if (retval >= 0) { + interp_ex = *((struct exec *) bprm->buf); /* aout exec-header */ + interp_elf_ex = *((struct elfhdr *) bprm->buf); /* elf exec-header */ + } + if (retval < 0) { + perror("load_elf_binary3"); + exit(-1); + free (elf_phdata); + free(elf_interpreter); + close(bprm->fd); + return retval; + } + } + elf_ppnt++; } /* Some simple consistency checks for the interpreter */ if (elf_interpreter){ - interpreter_type = INTERPRETER_ELF | INTERPRETER_AOUT; + interpreter_type = INTERPRETER_ELF | INTERPRETER_AOUT; - /* Now figure out which format our binary is */ - if ((N_MAGIC(interp_ex) != OMAGIC) && (N_MAGIC(interp_ex) != ZMAGIC) && - (N_MAGIC(interp_ex) != QMAGIC)) { - interpreter_type = INTERPRETER_ELF; - } + /* Now figure out which format our binary is */ + if ((N_MAGIC(interp_ex) != OMAGIC) && (N_MAGIC(interp_ex) != ZMAGIC) && + (N_MAGIC(interp_ex) != QMAGIC)) { + interpreter_type = INTERPRETER_ELF; + } - if (interp_elf_ex.e_ident[0] != 0x7f || + if (interp_elf_ex.e_ident[0] != 0x7f || strncmp((char *)&interp_elf_ex.e_ident[1], "ELF",3) != 0) { - interpreter_type &= ~INTERPRETER_ELF; - } - - if (!interpreter_type) { - free(elf_interpreter); - free(elf_phdata); - close(bprm->fd); - return -ELIBBAD; - } + interpreter_type &= ~INTERPRETER_ELF; + } + + if (!interpreter_type) { + free(elf_interpreter); + free(elf_phdata); + close(bprm->fd); + return -ELIBBAD; + } } /* OK, we are done with that, now set up the arg stuff, and then start this sucker up */ { - char * passed_p; - - if (interpreter_type == INTERPRETER_AOUT) { - snprintf(passed_fileno, sizeof(passed_fileno), "%d", bprm->fd); - passed_p = passed_fileno; - - if (elf_interpreter) { - bprm->p = copy_elf_strings(1,&passed_p,bprm->page,bprm->p); - bprm->argc++; - } - } - if (!bprm->p) { - if (elf_interpreter) { - free(elf_interpreter); - } - free (elf_phdata); - close(bprm->fd); - return -E2BIG; - } + char * passed_p; + + if (interpreter_type == INTERPRETER_AOUT) { + snprintf(passed_fileno, sizeof(passed_fileno), "%d", bprm->fd); + passed_p = passed_fileno; + + if (elf_interpreter) { + bprm->p = copy_elf_strings(1,&passed_p,bprm->page,bprm->p); + bprm->argc++; + } + } + if (!bprm->p) { + if (elf_interpreter) { + free(elf_interpreter); + } + free (elf_phdata); + close(bprm->fd); + return -E2BIG; + } } /* OK, This is the point of no return */ @@ -1644,7 +1653,7 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs, unsigned long real_start; unsigned long host_size; for (i = 0, elf_ppnt = elf_phdata; i < elf_ex.e_phnum; - i++, elf_ppnt++) { + i++, elf_ppnt++) { if (elf_ppnt->p_type != PT_LOAD) continue; addr = elf_ppnt->p_vaddr; @@ -1728,7 +1737,7 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs, int elf_flags = 0; abi_ulong error; - if (elf_ppnt->p_type != PT_LOAD) + if (elf_ppnt->p_type != PT_LOAD) continue; if (elf_ppnt->p_flags & PF_R) elf_prot |= PROT_READ; @@ -1812,30 +1821,30 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs, end_data += load_bias; if (elf_interpreter) { - if (interpreter_type & 1) { - elf_entry = load_aout_interp(&interp_ex, interpreter_fd); - } - else if (interpreter_type & 2) { - elf_entry = load_elf_interp(&interp_elf_ex, interpreter_fd, - &interp_load_addr); - } + if (interpreter_type & 1) { + elf_entry = load_aout_interp(&interp_ex, interpreter_fd); + } + else if (interpreter_type & 2) { + elf_entry = load_elf_interp(&interp_elf_ex, interpreter_fd, + &interp_load_addr); + } reloc_func_desc = interp_load_addr; - close(interpreter_fd); - free(elf_interpreter); + close(interpreter_fd); + free(elf_interpreter); - if (elf_entry == ~((abi_ulong)0UL)) { - printf("Unable to load interpreter\n"); - free(elf_phdata); - exit(-1); - return 0; - } + if (elf_entry == ~((abi_ulong)0UL)) { + printf("Unable to load interpreter\n"); + free(elf_phdata); + exit(-1); + return 0; + } } free(elf_phdata); if (qemu_log_enabled()) - load_symbols(&elf_ex, bprm->fd); + load_symbols(&elf_ex, bprm->fd); if (interpreter_type != INTERPRETER_AOUT) close(bprm->fd); info->personality = (ibcs2_interpreter ? PER_SVR4 : PER_LINUX); @@ -1844,13 +1853,13 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs, info->start_stack = bprm->p = elf_stack - 4; #endif bprm->p = create_elf_tables(bprm->p, - bprm->argc, - bprm->envc, - &elf_ex, - load_addr, load_bias, - interp_load_addr, - (interpreter_type == INTERPRETER_AOUT ? 0 : 1), - info); + bprm->argc, + bprm->envc, + &elf_ex, + load_addr, load_bias, + interp_load_addr, + (interpreter_type == INTERPRETER_AOUT ? 0 : 1), + info); info->load_addr = reloc_func_desc; info->start_brk = info->brk = elf_brk; info->end_code = end_code; @@ -1870,12 +1879,12 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs, if ( info->personality == PER_SVR4 ) { - /* Why this, you ask??? Well SVr4 maps page 0 as read-only, - and some applications "depend" upon this behavior. - Since we do not have the power to recompile these, we - emulate the SVr4 behavior. Sigh. */ - mapped_addr = target_mmap(0, qemu_host_page_size, PROT_READ | PROT_EXEC, - MAP_FIXED | MAP_PRIVATE, -1, 0); + /* Why this, you ask??? Well SVr4 maps page 0 as read-only, + and some applications "depend" upon this behavior. + Since we do not have the power to recompile these, we + emulate the SVr4 behavior. Sigh. */ + mapped_addr = target_mmap(0, qemu_host_page_size, PROT_READ | PROT_EXEC, + MAP_FIXED | MAP_PRIVATE, -1, 0); } info->entry = elf_entry; @@ -1888,7 +1897,6 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs, } #ifdef USE_ELF_CORE_DUMP - /* * Definitions to generate Intel SVR4-like core files. * These mostly have the same names as the SVR4 types with "target_elf_" @@ -2025,17 +2033,17 @@ struct mm_struct { static struct mm_struct *vma_init(void); static void vma_delete(struct mm_struct *); static int vma_add_mapping(struct mm_struct *, abi_ulong, - abi_ulong, abi_ulong); + abi_ulong, abi_ulong); static int vma_get_mapping_count(const struct mm_struct *); static struct vm_area_struct *vma_first(const struct mm_struct *); static struct vm_area_struct *vma_next(struct vm_area_struct *); static abi_ulong vma_dump_size(const struct vm_area_struct *); static int vma_walker(void *priv, abi_ulong start, abi_ulong end, - unsigned long flags); + unsigned long flags); static void fill_elf_header(struct elfhdr *, int, uint16_t, uint32_t); static void fill_note(struct memelfnote *, const char *, int, - unsigned int, void *); + unsigned int, void *); static void fill_prstatus(struct target_elf_prstatus *, const TaskState *, int); static int fill_psinfo(struct target_elf_prpsinfo *, const TaskState *); static void fill_auxv_note(struct memelfnote *, const TaskState *); @@ -2115,7 +2123,7 @@ static void vma_delete(struct mm_struct *mm) } static int vma_add_mapping(struct mm_struct *mm, abi_ulong start, - abi_ulong end, abi_ulong flags) + abi_ulong end, abi_ulong flags) { struct vm_area_struct *vma; @@ -2184,7 +2192,7 @@ static abi_ulong vma_dump_size(const struct vm_area_struct *vma) } static int vma_walker(void *priv, abi_ulong start, abi_ulong end, - unsigned long flags) + unsigned long flags) { struct mm_struct *mm = (struct mm_struct *)priv; @@ -2193,7 +2201,7 @@ static int vma_walker(void *priv, abi_ulong start, abi_ulong end, } static void fill_note(struct memelfnote *note, const char *name, int type, - unsigned int sz, void *data) + unsigned int sz, void *data) { unsigned int namesz; @@ -2214,7 +2222,7 @@ static void fill_note(struct memelfnote *note, const char *name, int type, } static void fill_elf_header(struct elfhdr *elf, int segs, uint16_t machine, - uint32_t flags) + uint32_t flags) { (void) memset(elf, 0, sizeof(*elf)); @@ -2260,7 +2268,7 @@ static size_t note_size(const struct memelfnote *note) } static void fill_prstatus(struct target_elf_prstatus *prstatus, - const TaskState *ts, int signr) + const TaskState *ts, int signr) { (void) memset(prstatus, 0, sizeof (*prstatus)); prstatus->pr_info.si_signo = prstatus->pr_cursig = signr; @@ -2301,7 +2309,7 @@ static int fill_psinfo(struct target_elf_prpsinfo *psinfo, const TaskState *ts) filename = strdup(ts->bprm->filename); base_filename = strdup(basename(filename)); (void) strncpy(psinfo->pr_fname, base_filename, - sizeof(psinfo->pr_fname)); + sizeof(psinfo->pr_fname)); free(base_filename); free(filename); @@ -2350,7 +2358,7 @@ static void fill_auxv_note(struct memelfnote *note, const TaskState *ts) * Returns 0 in case of success, -1 otherwise (errno is set). */ static int core_dump_filename(const TaskState *ts, char *buf, - size_t bufsize) + size_t bufsize) { char timestamp[64]; char *filename = NULL; @@ -2362,16 +2370,16 @@ static int core_dump_filename(const TaskState *ts, char *buf, if (gettimeofday(&tv, NULL) < 0) { (void) fprintf(stderr, "unable to get current timestamp: %s", - strerror(errno)); + strerror(errno)); return (-1); } filename = strdup(ts->bprm->filename); base_filename = strdup(basename(filename)); (void) strftime(timestamp, sizeof (timestamp), "%Y%m%d-%H%M%S", - localtime_r(&tv.tv_sec, &tm)); + localtime_r(&tv.tv_sec, &tm)); (void) snprintf(buf, bufsize, "qemu_%s_%s_%d.core", - base_filename, timestamp, (int)getpid()); + base_filename, timestamp, (int)getpid()); free(base_filename); free(filename); @@ -2456,7 +2464,7 @@ static void fill_thread_info(struct elf_note_info *info, const CPUState *env) fill_prstatus(&ets->prstatus, ts, 0); elf_core_copy_regs(&ets->prstatus.pr_reg, env); fill_note(&ets->notes[0], "CORE", NT_PRSTATUS, sizeof (ets->prstatus), - &ets->prstatus); + &ets->prstatus); QTAILQ_INSERT_TAIL(&info->thread_list, ets, ets_link); @@ -2464,7 +2472,7 @@ static void fill_thread_info(struct elf_note_info *info, const CPUState *env) } static int fill_note_info(struct elf_note_info *info, - long signr, const CPUState *env) + long signr, const CPUState *env) { #define NUMNOTES 3 CPUState *cpu = NULL; @@ -2492,10 +2500,10 @@ static int fill_note_info(struct elf_note_info *info, fill_prstatus(info->prstatus, ts, signr); elf_core_copy_regs(&info->prstatus->pr_reg, env); fill_note(&info->notes[0], "CORE", NT_PRSTATUS, - sizeof (*info->prstatus), info->prstatus); + sizeof (*info->prstatus), info->prstatus); fill_psinfo(info->psinfo, ts); fill_note(&info->notes[1], "CORE", NT_PRPSINFO, - sizeof (*info->psinfo), info->psinfo); + sizeof (*info->psinfo), info->psinfo); fill_auxv_note(&info->notes[2], ts); info->numnote = 3; @@ -2542,7 +2550,7 @@ static int write_note_info(struct elf_note_info *info, int fd) /* write prstatus for each thread */ for (ets = info->thread_list.tqh_first; ets != NULL; - ets = ets->ets_link.tqe_next) { + ets = ets->ets_link.tqe_next) { if ((error = write_note(&ets->notes[0], fd)) != 0) return (error); } @@ -2610,13 +2618,13 @@ static int elf_core_dump(int signr, const CPUState *env) errno = 0; getrlimit(RLIMIT_CORE, &dumpsize); if (dumpsize.rlim_cur == 0) - return 0; + return 0; if (core_dump_filename(ts, corefile, sizeof (corefile)) < 0) return (-errno); if ((fd = open(corefile, O_WRONLY | O_CREAT, - S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)) < 0) + S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)) < 0) return (-errno); /* @@ -2705,7 +2713,7 @@ static int elf_core_dump(int signr, const CPUState *env) end = vma->vma_start + vma_dump_size(vma); for (addr = vma->vma_start; addr < end; - addr += TARGET_PAGE_SIZE) { + addr += TARGET_PAGE_SIZE) { char page[TARGET_PAGE_SIZE]; int error; @@ -2716,7 +2724,7 @@ static int elf_core_dump(int signr, const CPUState *env) error = copy_from_user(page, addr, sizeof (page)); if (error != 0) { (void) fprintf(stderr, "unable to dump " TARGET_ABI_FMT_lx "\n", - addr); + addr); errno = -error; goto out; } @@ -2725,7 +2733,7 @@ static int elf_core_dump(int signr, const CPUState *env) } } -out: + out: free_note_info(&info); if (mm != NULL) vma_delete(mm); |