izzy/xemu
0
0
Fork 0
mirror of https://github.com/izzy2lost/xemu.git synced 2026-07-06 00:20:22 -07:00
Code Issues Packages Projects Releases Wiki Activity

linux-user: Move elf_core_copy_regs to mips/elfload.c

Browse Source 
Move elf_core_copy_regs to elfload.c.
Move HAVE_ELF_CORE_DUMP, ELF_NREGS, target_elf_gregset_t to target_elf.h.
For now, duplicate the definitions of target_elf_greg_t and tswapreg.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson
2025-08-30 07:04:03 +10:00
parent cf334829cb
commit a8081da18d
4 changed files with 68 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files
linux-user/elfload.c
-46
View File
@@ -403,52 +403,6 @@ static const VdsoImageInfo *vdso_image_info(uint32_t elf_flags)
#define elf_check_abi(x) (!((x) & EF_MIPS_ABI2))
#endif
/* See linux kernel: arch/mips/include/asm/elf.h. */
#define ELF_NREG 45
typedef struct target_elf_gregset_t {
target_elf_greg_t regs[ELF_NREG];
} target_elf_gregset_t;
/* See linux kernel: arch/mips/include/asm/reg.h. */
enum {
#ifdef TARGET_MIPS64
TARGET_EF_R0 = 0,
#else
TARGET_EF_R0 = 6,
#endif
TARGET_EF_R26 = TARGET_EF_R0 + 26,
TARGET_EF_R27 = TARGET_EF_R0 + 27,
TARGET_EF_LO = TARGET_EF_R0 + 32,
TARGET_EF_HI = TARGET_EF_R0 + 33,
TARGET_EF_CP0_EPC = TARGET_EF_R0 + 34,
TARGET_EF_CP0_BADVADDR = TARGET_EF_R0 + 35,
TARGET_EF_CP0_STATUS = TARGET_EF_R0 + 36,
TARGET_EF_CP0_CAUSE = TARGET_EF_R0 + 37
};
/* See linux kernel: arch/mips/kernel/process.c:elf_dump_regs. */
void elf_core_copy_regs(target_elf_gregset_t *r, const CPUMIPSState *env)
{
int i;
for (i = 0; i <= TARGET_EF_R0; i++) {
r->regs[i] = 0;
}
for (i = 1; i < ARRAY_SIZE(env->active_tc.gpr); i++) {
r->regs[TARGET_EF_R0 + i] = tswapreg(env->active_tc.gpr[i]);
}
r->regs[TARGET_EF_R26] = 0;
r->regs[TARGET_EF_R27] = 0;
r->regs[TARGET_EF_LO] = tswapreg(env->active_tc.LO[0]);
r->regs[TARGET_EF_HI] = tswapreg(env->active_tc.HI[0]);
r->regs[TARGET_EF_CP0_EPC] = tswapreg(env->active_tc.PC);
r->regs[TARGET_EF_CP0_BADVADDR] = tswapreg(env->CP0_BadVAddr);
r->regs[TARGET_EF_CP0_STATUS] = tswapreg(env->CP0_Status);
r->regs[TARGET_EF_CP0_CAUSE] = tswapreg(env->CP0_Cause);
}
#define HAVE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE 4096
#endif /* TARGET_MIPS */
linux-user/mips/elfload.c
+46
View File
@@ -4,6 +4,7 @@
#include "qemu.h"
#include "loader.h"
#include "elf.h"
#include "target_elf.h"
const char *get_elf_cpu_model(uint32_t eflags)
@@ -122,3 +123,48 @@ const char *get_elf_base_platform(CPUState *cs)
}
#undef MATCH_PLATFORM_INSN
#ifdef TARGET_ABI_MIPSN32
#define tswapreg(ptr) tswap64(ptr)
#else
#define tswapreg(ptr) tswapal(ptr)
#endif
/* See linux kernel: arch/mips/include/asm/reg.h. */
enum {
#ifdef TARGET_MIPS64
TARGET_EF_R0 = 0,
#else
TARGET_EF_R0 = 6,
#endif
TARGET_EF_R26 = TARGET_EF_R0 + 26,
TARGET_EF_R27 = TARGET_EF_R0 + 27,
TARGET_EF_LO = TARGET_EF_R0 + 32,
TARGET_EF_HI = TARGET_EF_R0 + 33,
TARGET_EF_CP0_EPC = TARGET_EF_R0 + 34,
TARGET_EF_CP0_BADVADDR = TARGET_EF_R0 + 35,
TARGET_EF_CP0_STATUS = TARGET_EF_R0 + 36,
TARGET_EF_CP0_CAUSE = TARGET_EF_R0 + 37
};
/* See linux kernel: arch/mips/kernel/process.c:elf_dump_regs. */
void elf_core_copy_regs(target_elf_gregset_t *r, const CPUMIPSState *env)
{
int i;
for (i = 0; i <= TARGET_EF_R0; i++) {
r->regs[i] = 0;
}
for (i = 1; i < ARRAY_SIZE(env->active_tc.gpr); i++) {
r->regs[TARGET_EF_R0 + i] = tswapreg(env->active_tc.gpr[i]);
}
r->regs[TARGET_EF_R26] = 0;
r->regs[TARGET_EF_R27] = 0;
r->regs[TARGET_EF_LO] = tswapreg(env->active_tc.LO[0]);
r->regs[TARGET_EF_HI] = tswapreg(env->active_tc.HI[0]);
r->regs[TARGET_EF_CP0_EPC] = tswapreg(env->active_tc.PC);
r->regs[TARGET_EF_CP0_BADVADDR] = tswapreg(env->CP0_BadVAddr);
r->regs[TARGET_EF_CP0_STATUS] = tswapreg(env->CP0_Status);
r->regs[TARGET_EF_CP0_CAUSE] = tswapreg(env->CP0_Cause);
}
linux-user/mips/target_elf.h
+9
View File
@@ -10,5 +10,14 @@
#define HAVE_ELF_HWCAP 1
#define HAVE_ELF_BASE_PLATFORM 1
#define HAVE_ELF_CORE_DUMP 1
typedef abi_ulong target_elf_greg_t;
/* See linux kernel: arch/mips/include/asm/elf.h. */
#define ELF_NREG 45
typedef struct target_elf_gregset_t {
target_elf_greg_t regs[ELF_NREG];
} target_elf_gregset_t;
#endif
linux-user/mips64/target_elf.h
+13
View File
@@ -10,5 +10,18 @@
#define HAVE_ELF_HWCAP 1
#define HAVE_ELF_BASE_PLATFORM 1
#define HAVE_ELF_CORE_DUMP 1
#ifdef TARGET_ABI_MIPSN32
typedef abi_ullong target_elf_greg_t;
#else
typedef abi_ulong target_elf_greg_t;
#endif
/* See linux kernel: arch/mips/include/asm/elf.h. */
#define ELF_NREG 45
typedef struct target_elf_gregset_t {
target_elf_greg_t regs[ELF_NREG];
} target_elf_gregset_t;
#endif