linux-user: Move elf_core_copy_regs to loongarch64/elfload.c

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 a67e20d629
commit cf334829cb
3 changed files with 30 additions and 25 deletions
-25
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@@ -383,31 +383,6 @@ static const VdsoImageInfo *vdso_image_info(uint32_t elf_flags)
#define VDSO_HEADER "vdso.c.inc"
/* See linux kernel: arch/loongarch/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;
enum {
TARGET_EF_R0 = 0,
TARGET_EF_CSR_ERA = TARGET_EF_R0 + 33,
TARGET_EF_CSR_BADV = TARGET_EF_R0 + 34,
};
void elf_core_copy_regs(target_elf_gregset_t *r, const CPULoongArchState *env)
{
r->regs[TARGET_EF_R0] = 0;
for (int i = 1; i < ARRAY_SIZE(env->gpr); i++) {
r->regs[TARGET_EF_R0 + i] = tswapreg(env->gpr[i]);
}
r->regs[TARGET_EF_CSR_ERA] = tswapreg(env->pc);
r->regs[TARGET_EF_CSR_BADV] = tswapreg(env->CSR_BADV);
}
#define HAVE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE 4096
#endif /* TARGET_LOONGARCH64 */
+21
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@@ -3,6 +3,7 @@
#include "qemu/osdep.h"
#include "qemu.h"
#include "loader.h"
#include "target_elf.h"
const char *get_elf_cpu_model(uint32_t eflags)
@@ -61,3 +62,23 @@ const char *get_elf_platform(CPUState *cs)
{
return "loongarch";
}
#define tswapreg(ptr) tswapal(ptr)
enum {
TARGET_EF_R0 = 0,
TARGET_EF_CSR_ERA = TARGET_EF_R0 + 33,
TARGET_EF_CSR_BADV = TARGET_EF_R0 + 34,
};
void elf_core_copy_regs(target_elf_gregset_t *r, const CPULoongArchState *env)
{
r->regs[TARGET_EF_R0] = 0;
for (int i = 1; i < ARRAY_SIZE(env->gpr); i++) {
r->regs[TARGET_EF_R0 + i] = tswapreg(env->gpr[i]);
}
r->regs[TARGET_EF_CSR_ERA] = tswapreg(env->pc);
r->regs[TARGET_EF_CSR_BADV] = tswapreg(env->CSR_BADV);
}
+9
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@@ -8,5 +8,14 @@
#define HAVE_ELF_HWCAP 1
#define HAVE_ELF_PLATFORM 1
#define HAVE_ELF_CORE_DUMP 1
typedef abi_ulong target_elf_greg_t;
/* See linux kernel: arch/loongarch/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