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linux-user/mips: Convert target_elf_gregset_t to a struct

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While we're at it, merge the store of TARGET_EF_R0 into the
loop over all R0 registers.

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 07:03:57 +10:00
parent 68bb444d35
commit 5c86402eef
1 changed files with 15 additions and 15 deletions
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linux-user/elfload.c
+15 -15
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@@ -564,7 +564,9 @@ static void elf_core_copy_regs(target_elf_gregset_t *r,
/* See linux kernel: arch/mips/include/asm/elf.h. */
#define ELF_NREG 45
typedef target_elf_greg_t target_elf_gregset_t[ELF_NREG];
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 {
@@ -584,27 +586,25 @@ enum {
};
/* See linux kernel: arch/mips/kernel/process.c:elf_dump_regs. */
static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUMIPSState *env)
static void elf_core_copy_regs(target_elf_gregset_t *r, const CPUMIPSState *env)
{
int i;
for (i = 0; i < TARGET_EF_R0; i++) {
(*regs)[i] = 0;
for (i = 0; i <= TARGET_EF_R0; i++) {
r->regs[i] = 0;
}
(*regs)[TARGET_EF_R0] = 0;
for (i = 1; i < ARRAY_SIZE(env->active_tc.gpr); i++) {
(*regs)[TARGET_EF_R0 + i] = tswapreg(env->active_tc.gpr[i]);
r->regs[TARGET_EF_R0 + i] = tswapreg(env->active_tc.gpr[i]);
}
(*regs)[TARGET_EF_R26] = 0;
(*regs)[TARGET_EF_R27] = 0;
(*regs)[TARGET_EF_LO] = tswapreg(env->active_tc.LO[0]);
(*regs)[TARGET_EF_HI] = tswapreg(env->active_tc.HI[0]);
(*regs)[TARGET_EF_CP0_EPC] = tswapreg(env->active_tc.PC);
(*regs)[TARGET_EF_CP0_BADVADDR] = tswapreg(env->CP0_BadVAddr);
(*regs)[TARGET_EF_CP0_STATUS] = tswapreg(env->CP0_Status);
(*regs)[TARGET_EF_CP0_CAUSE] = tswapreg(env->CP0_Cause);
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 USE_ELF_CORE_DUMP