mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-28 05:50:37 +00:00
bsd-user: Remove all non-x86 code from elfload.c
bsd-user only builds x86 at the moment. Remove all non x86 code from
elfload.c. We'll move the x86 code to {i386,x86_64}/target_arch_elf.h
and bring it that support code from the forked bsd-user when the time
comes.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Warner Losh
parent
a8998784ae
commit
dd869a9665
@ -23,15 +23,6 @@
|
||||
#include "disas/disas.h"
|
||||
#include "qemu/path.h"
|
||||
|
||||
#ifdef _ARCH_PPC64
|
||||
#undef ARCH_DLINFO
|
||||
#undef ELF_PLATFORM
|
||||
#undef ELF_HWCAP
|
||||
#undef ELF_CLASS
|
||||
#undef ELF_DATA
|
||||
#undef ELF_ARCH
|
||||
#endif
|
||||
|
||||
/* from personality.h */
|
||||
|
||||
/*
|
||||
@ -144,7 +135,7 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
|
||||
}
|
||||
}
|
||||
|
||||
#else
|
||||
#else /* !TARGET_X86_64 */
|
||||
|
||||
#define ELF_START_MMAP 0x80000000
|
||||
|
||||
@ -174,343 +165,13 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
|
||||
A value of 0 tells we have no such handler. */
|
||||
regs->edx = 0;
|
||||
}
|
||||
#endif
|
||||
#endif /* !TARGET_X86_64 */
|
||||
|
||||
#define USE_ELF_CORE_DUMP
|
||||
#define ELF_EXEC_PAGESIZE 4096
|
||||
|
||||
#endif
|
||||
|
||||
#ifdef TARGET_ARM
|
||||
|
||||
#define ELF_START_MMAP 0x80000000
|
||||
|
||||
#define elf_check_arch(x) ((x) == EM_ARM)
|
||||
|
||||
#define ELF_CLASS ELFCLASS32
|
||||
#ifdef TARGET_WORDS_BIGENDIAN
|
||||
#define ELF_DATA ELFDATA2MSB
|
||||
#else
|
||||
#define ELF_DATA ELFDATA2LSB
|
||||
#endif
|
||||
#define ELF_ARCH EM_ARM
|
||||
|
||||
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_pc = infop->entry & 0xfffffffe;
|
||||
regs->ARM_sp = infop->start_stack;
|
||||
/* FIXME - what to for failure of get_user()? */
|
||||
get_user_ual(regs->ARM_r2, stack + 8); /* envp */
|
||||
get_user_ual(regs->ARM_r1, stack + 4); /* envp */
|
||||
/* XXX: it seems that r0 is zeroed after ! */
|
||||
regs->ARM_r0 = 0;
|
||||
/* For uClinux PIC binaries. */
|
||||
/* XXX: Linux does this only on ARM with no MMU (do we care ?) */
|
||||
regs->ARM_r10 = infop->start_data;
|
||||
}
|
||||
|
||||
#define USE_ELF_CORE_DUMP
|
||||
#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,
|
||||
};
|
||||
|
||||
#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)
|
||||
|
||||
#endif
|
||||
|
||||
#ifdef TARGET_SPARC
|
||||
#ifdef TARGET_SPARC64
|
||||
|
||||
#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
|
||||
#define ELF_ARCH EM_SPARCV9
|
||||
|
||||
#define STACK_BIAS 2047
|
||||
|
||||
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;
|
||||
if (bsd_type == target_freebsd) {
|
||||
regs->u_regs[8] = infop->start_stack;
|
||||
regs->u_regs[11] = infop->start_stack;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
#else
|
||||
#define ELF_START_MMAP 0x80000000
|
||||
|
||||
#define elf_check_arch(x) ((x) == EM_SPARC)
|
||||
|
||||
#define ELF_CLASS ELFCLASS32
|
||||
#define ELF_DATA ELFDATA2MSB
|
||||
#define ELF_ARCH EM_SPARC
|
||||
|
||||
static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
|
||||
{
|
||||
regs->psr = 0;
|
||||
regs->pc = infop->entry;
|
||||
regs->npc = regs->pc + 4;
|
||||
regs->y = 0;
|
||||
regs->u_regs[14] = infop->start_stack - 16 * 4;
|
||||
}
|
||||
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifdef TARGET_PPC
|
||||
|
||||
#define ELF_START_MMAP 0x80000000
|
||||
|
||||
#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
|
||||
|
||||
#define elf_check_arch(x) ((x) == EM_PPC64)
|
||||
|
||||
#define ELF_CLASS ELFCLASS64
|
||||
|
||||
#else
|
||||
|
||||
#define elf_check_arch(x) ((x) == EM_PPC)
|
||||
|
||||
#define ELF_CLASS ELFCLASS32
|
||||
|
||||
#endif
|
||||
|
||||
#ifdef TARGET_WORDS_BIGENDIAN
|
||||
#define ELF_DATA ELFDATA2MSB
|
||||
#else
|
||||
#define ELF_DATA ELFDATA2LSB
|
||||
#endif
|
||||
#define ELF_ARCH EM_PPC
|
||||
|
||||
/*
|
||||
* We need to put in some extra aux table entries to tell glibc what
|
||||
* the cache block size is, so it can use the dcbz instruction safely.
|
||||
*/
|
||||
#define AT_DCACHEBSIZE 19
|
||||
#define AT_ICACHEBSIZE 20
|
||||
#define AT_UCACHEBSIZE 21
|
||||
/* A special ignored type value for PPC, for glibc compatibility. */
|
||||
#define AT_IGNOREPPC 22
|
||||
/*
|
||||
* The requirements here are:
|
||||
* - keep the final alignment of sp (sp & 0xf)
|
||||
* - make sure the 32-bit value at the first 16 byte aligned position of
|
||||
* AUXV is greater than 16 for glibc compatibility.
|
||||
* AT_IGNOREPPC is used for that.
|
||||
* - for compatibility with glibc ARCH_DLINFO must always be defined on PPC,
|
||||
* 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)
|
||||
|
||||
static inline void init_thread(struct target_pt_regs *_regs, struct image_info *infop)
|
||||
{
|
||||
abi_ulong pos = infop->start_stack;
|
||||
abi_ulong tmp;
|
||||
#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
|
||||
abi_ulong entry, toc;
|
||||
#endif
|
||||
|
||||
_regs->gpr[1] = infop->start_stack;
|
||||
#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
|
||||
get_user_u64(entry, infop->entry);
|
||||
entry += infop->load_addr;
|
||||
get_user_u64(toc, infop->entry + 8);
|
||||
toc += infop->load_addr;
|
||||
_regs->gpr[2] = toc;
|
||||
infop->entry = entry;
|
||||
#endif
|
||||
_regs->nip = infop->entry;
|
||||
/* Note that isn't exactly what regular kernel does
|
||||
* but this is what the ABI wants and is needed to allow
|
||||
* execution of PPC BSD programs.
|
||||
*/
|
||||
/* FIXME - what to for failure of get_user()? */
|
||||
get_user_ual(_regs->gpr[3], pos);
|
||||
pos += sizeof(abi_ulong);
|
||||
_regs->gpr[4] = pos;
|
||||
for (tmp = 1; tmp != 0; pos += sizeof(abi_ulong)) {
|
||||
get_user_ual(tmp, pos);
|
||||
}
|
||||
_regs->gpr[5] = pos;
|
||||
}
|
||||
|
||||
#define USE_ELF_CORE_DUMP
|
||||
#define ELF_EXEC_PAGESIZE 4096
|
||||
|
||||
#endif
|
||||
|
||||
#ifdef TARGET_MIPS
|
||||
|
||||
#define ELF_START_MMAP 0x80000000
|
||||
|
||||
#define elf_check_arch(x) ((x) == EM_MIPS)
|
||||
|
||||
#ifdef TARGET_MIPS64
|
||||
#define ELF_CLASS ELFCLASS64
|
||||
#else
|
||||
#define ELF_CLASS ELFCLASS32
|
||||
#endif
|
||||
#ifdef TARGET_WORDS_BIGENDIAN
|
||||
#define ELF_DATA ELFDATA2MSB
|
||||
#else
|
||||
#define ELF_DATA ELFDATA2LSB
|
||||
#endif
|
||||
#define ELF_ARCH EM_MIPS
|
||||
|
||||
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;
|
||||
regs->regs[29] = infop->start_stack;
|
||||
}
|
||||
|
||||
#define USE_ELF_CORE_DUMP
|
||||
#define ELF_EXEC_PAGESIZE 4096
|
||||
|
||||
#endif /* TARGET_MIPS */
|
||||
|
||||
#ifdef TARGET_SH4
|
||||
|
||||
#define ELF_START_MMAP 0x80000000
|
||||
|
||||
#define elf_check_arch(x) ((x) == EM_SH)
|
||||
|
||||
#define ELF_CLASS ELFCLASS32
|
||||
#define ELF_DATA ELFDATA2LSB
|
||||
#define ELF_ARCH EM_SH
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
#define USE_ELF_CORE_DUMP
|
||||
#define ELF_EXEC_PAGESIZE 4096
|
||||
|
||||
#endif
|
||||
|
||||
#ifdef TARGET_CRIS
|
||||
|
||||
#define ELF_START_MMAP 0x80000000
|
||||
|
||||
#define elf_check_arch(x) ((x) == EM_CRIS)
|
||||
|
||||
#define ELF_CLASS ELFCLASS32
|
||||
#define ELF_DATA ELFDATA2LSB
|
||||
#define ELF_ARCH EM_CRIS
|
||||
|
||||
static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
|
||||
{
|
||||
regs->erp = infop->entry;
|
||||
}
|
||||
|
||||
#define USE_ELF_CORE_DUMP
|
||||
#define ELF_EXEC_PAGESIZE 8192
|
||||
|
||||
#endif
|
||||
|
||||
#ifdef TARGET_M68K
|
||||
|
||||
#define ELF_START_MMAP 0x80000000
|
||||
|
||||
#define elf_check_arch(x) ((x) == 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) */
|
||||
|
||||
static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
|
||||
{
|
||||
regs->usp = infop->start_stack;
|
||||
regs->sr = 0;
|
||||
regs->pc = infop->entry;
|
||||
}
|
||||
|
||||
#define USE_ELF_CORE_DUMP
|
||||
#define ELF_EXEC_PAGESIZE 8192
|
||||
|
||||
#endif
|
||||
|
||||
#ifdef TARGET_ALPHA
|
||||
|
||||
#define ELF_START_MMAP (0x30000000000ULL)
|
||||
|
||||
#define elf_check_arch(x) ((x) == ELF_ARCH)
|
||||
|
||||
#define ELF_CLASS ELFCLASS64
|
||||
#define ELF_DATA ELFDATA2MSB
|
||||
#define ELF_ARCH EM_ALPHA
|
||||
|
||||
static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
|
||||
{
|
||||
regs->pc = infop->entry;
|
||||
regs->ps = 8;
|
||||
regs->usp = infop->start_stack;
|
||||
regs->unique = infop->start_data; /* ? */
|
||||
printf("Set unique value to " TARGET_FMT_lx " (" TARGET_FMT_lx ")\n",
|
||||
regs->unique, infop->start_data);
|
||||
}
|
||||
|
||||
#define USE_ELF_CORE_DUMP
|
||||
#define ELF_EXEC_PAGESIZE 8192
|
||||
|
||||
#endif /* TARGET_ALPHA */
|
||||
|
||||
#ifndef ELF_PLATFORM
|
||||
#define ELF_PLATFORM (NULL)
|
||||
#endif
|
||||
@ -1119,10 +780,6 @@ static void load_symbols(struct elfhdr *hdr, int fd)
|
||||
}
|
||||
continue;
|
||||
}
|
||||
#if defined(TARGET_ARM) || defined(TARGET_MIPS)
|
||||
/* The bottom address bit marks a Thumb or MIPS16 symbol. */
|
||||
syms[i].st_value &= ~(target_ulong)1;
|
||||
#endif
|
||||
i++;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user