Signed-off-by: Richard Henderson <r...@twiddle.net>
---
linux-user/elfload.c | 594 +++++++++++++++++++++++++-------------------------
1 files changed, 301 insertions(+), 293 deletions(-)
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index ead22fc..ab741fd 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,
};
/*
@@ -56,30 +55,29 @@ 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,
};
/*
@@ -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
@@ -201,7 +199,8 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs,
const CPUState *env)
#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;
@@ -267,13 +266,14 @@ static void elf_core_copy_regs(target_elf_gregset_t
*regs, const CPUState *env)
#endif
#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()? */
@@ -317,26 +317,26 @@ static void elf_core_copy_regs(target_elf_gregset_t
*regs, const CPUState *env)
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
@@ -357,7 +357,8 @@ enum
#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;
@@ -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)
{
@@ -559,7 +561,8 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs,
const CPUState *env)
#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;
@@ -626,7 +629,8 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs,
const CPUState *env)
#define ELF_DATA ELFDATA2MSB
#define ELF_ARCH EM_XILINX_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;
@@ -647,11 +651,12 @@ static inline void init_thread(struct target_pt_regs
*regs, struct image_info *i
#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. */
@@ -669,7 +674,8 @@ 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;
@@ -701,9 +707,10 @@ 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
@@ -721,9 +728,10 @@ static inline void init_thread(struct target_pt_regs
*regs, struct image_info *i
#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;
@@ -773,7 +781,8 @@ 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;
@@ -803,14 +812,14 @@ 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 */
};
@@ -839,7 +848,7 @@ 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);
@@ -847,7 +856,7 @@ 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_type); /* Object file type */
bswap16s(&ehdr->e_machine); /* Architecture */
bswap32s(&ehdr->e_version); /* Object file version */
bswaptls(&ehdr->e_entry); /* Entry point virtual address */
@@ -855,16 +864,16 @@ static void bswap_ehdr(struct elfhdr *ehdr)
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_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_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_shstrndx); /* Section header string table index */
}
static void bswap_phdr(struct elf_phdr *phdr)
{
- bswap32s(&phdr->p_type); /* Segment type */
+ 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 */
@@ -936,7 +945,7 @@ static abi_ulong copy_elf_strings(int argc,char ** argv,
void **page,
while (*tmp++);
len = tmp - tmp1;
if (p < len) { /* this shouldn't happen - 128kB */
- return 0;
+ return 0;
}
while (len) {
--p; --tmp; --len;
@@ -955,12 +964,12 @@ static abi_ulong copy_elf_strings(int argc,char ** argv,
void **page,
*(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);
+ 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);
}
}
}
@@ -1055,77 +1064,77 @@ 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
- */
+ 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);
+ 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;
}
@@ -1133,83 +1142,83 @@ 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 (error == -1) {
- perror("mmap");
- exit(-1);
- }
- load_addr = error;
- load_addr_set = 1;
+ 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) {
+ 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;
@@ -1222,22 +1231,22 @@ static abi_ulong load_elf_interp(struct elfhdr *
interp_elf_ex,
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));
+ 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);
+ /* 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;
+ load_addr = error;
+ load_addr_set = 1;
}
/* If the load segment requests extra zeros (e.g. bss), map it. */
@@ -1246,15 +1255,15 @@ 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)
@@ -1356,8 +1365,8 @@ 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];
@@ -1425,8 +1434,8 @@ 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);
@@ -1445,7 +1454,7 @@ int load_elf_binary(struct linux_binprm * bprm, struct
target_pt_regs * regs,
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);
+ elf_ex.e_phentsize * elf_ex.e_phnum);
}
if (retval < 0) {
@@ -1513,7 +1522,7 @@ int load_elf_binary(struct linux_binprm * bprm, struct
target_pt_regs * regs,
if (strcmp(elf_interpreter,"/usr/lib/libc.so.1") == 0 ||
strcmp(elf_interpreter,"/usr/lib/ld.so.1") == 0) {
- ibcs2_interpreter = 1;
+ ibcs2_interpreter = 1;
}
#if 0
@@ -1559,8 +1568,8 @@ int load_elf_binary(struct linux_binprm * bprm, struct
target_pt_regs * regs,
/* 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;
+ (N_MAGIC(interp_ex) != QMAGIC)) {
+ interpreter_type = INTERPRETER_ELF;
}
if (interp_elf_ex.e_ident[0] != 0x7f ||
@@ -1620,7 +1629,7 @@ int load_elf_binary(struct linux_binprm * bprm, struct
target_pt_regs * regs,
* in that case set guest_base to corresponding address.
*/
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;
if (HOST_PAGE_ALIGN(elf_ppnt->p_vaddr) < mmap_min_addr) {
@@ -1737,7 +1746,7 @@ int load_elf_binary(struct linux_binprm * bprm, struct
target_pt_regs * regs,
}
else if (interpreter_type & 2) {
elf_entry = load_elf_interp(&interp_elf_ex, interpreter_fd,
- &interp_load_addr);
+ &interp_load_addr);
}
reloc_func_desc = interp_load_addr;
@@ -1764,13 +1773,13 @@ 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;
@@ -1790,12 +1799,12 @@ 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;
@@ -1808,7 +1817,6 @@ 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_"
@@ -1945,17 +1953,17 @@ 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 *);
@@ -2035,7 +2043,7 @@ 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;
@@ -2104,7 +2112,7 @@ 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;
@@ -2119,7 +2127,7 @@ 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;
@@ -2140,7 +2148,7 @@ 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));
@@ -2186,7 +2194,7 @@ 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;
@@ -2227,7 +2235,7 @@ 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);
@@ -2276,7 +2284,7 @@ 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;
@@ -2288,16 +2296,16 @@ 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);
@@ -2382,7 +2390,7 @@ 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);
@@ -2390,7 +2398,7 @@ 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;
@@ -2418,10 +2426,10 @@ 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;
@@ -2468,7 +2476,7 @@ 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);
}
@@ -2536,13 +2544,13 @@ 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);
/*
@@ -2631,7 +2639,7 @@ 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;
@@ -2642,7 +2650,7 @@ 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;
}
@@ -2651,7 +2659,7 @@ static int elf_core_dump(int signr, const CPUState *env)
}
}
-out:
+ out:
free_note_info(&info);
if (mm != NULL)
vma_delete(mm);
--
1.6.6.1
