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linux-user/arm: Expand target_elf_gregset_t

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Make use of the fact that target_elf_gregset_t is a proper structure.
Drop ELF_NREG, 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 db58f1667e
commit af6da9e6b8
2 changed files with 10 additions and 9 deletions
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linux-user/arm/elfload.c
+3 -5
View File
@@ -201,13 +201,11 @@ const char *get_elf_platform(CPUState *cs)
#undef END
}
#define tswapreg(ptr) tswapal(ptr)
void elf_core_copy_regs(target_elf_gregset_t *r, const CPUARMState *env)
{
for (int i = 0; i < 16; ++i) {
r->regs[i] = tswapreg(env->regs[i]);
r->pt.regs[i] = tswapal(env->regs[i]);
}
r->regs[16] = tswapreg(cpsr_read((CPUARMState *)env));
r->regs[17] = tswapreg(env->regs[0]); /* XXX */
r->pt.cpsr = tswapal(cpsr_read((CPUARMState *)env));
r->pt.orig_r0 = tswapal(env->regs[0]); /* FIXME */
}
linux-user/arm/target_elf.h
+7 -4
View File
@@ -8,16 +8,19 @@
#ifndef ARM_TARGET_ELF_H
#define ARM_TARGET_ELF_H
#include "target_ptrace.h"
#define HAVE_ELF_HWCAP 1
#define HAVE_ELF_HWCAP2 1
#define HAVE_ELF_PLATFORM 1
#define HAVE_ELF_CORE_DUMP 1
typedef abi_ulong target_elf_greg_t;
#define ELF_NREG 18
/*
* See linux kernel: arch/arm/include/asm/elf.h, where
* elf_gregset_t is mapped to struct pt_regs via sizeof.
*/
typedef struct target_elf_gregset_t {
target_elf_greg_t regs[ELF_NREG];
struct target_pt_regs pt;
} target_elf_gregset_t;
#endif