fridtjof/qemu-cr16
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

linux-user/aarch64: Expand target_elf_gregset_t

Browse source 
Make use of the fact that target_elf_gregset_t is a
proper structure by using target_user_pt_regs.

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 2025-08-28 11:24:05 +10:00
parent 7ee71b02fb
commit ff22166d3f
2 changed files with 12 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

11
linux-user/aarch64/elfload.c
View file

@ -349,13 +349,12 @@ const char *get_elf_platform(CPUState *cs)
return TARGET_BIG_ENDIAN ? "aarch64_be" : "aarch64";
}
#define tswapreg(ptr) tswapal(ptr)
void elf_core_copy_regs(target_elf_gregset_t *r, const CPUARMState *env)
{
for (int i = 0; i < 32; i++) {
r->regs[i] = tswapreg(env->xregs[i]);
for (int i = 0; i < 31; i++) {
r->pt.regs[i] = tswap64(env->xregs[i]);
}
r->regs[32] = tswapreg(env->pc);
r->regs[33] = tswapreg(pstate_read((CPUARMState *)env));
r->pt.sp = tswap64(env->xregs[31]);
r->pt.pc = tswap64(env->pc);
r->pt.pstate = tswap64(pstate_read((CPUARMState *)env));
}

11
linux-user/aarch64/target_elf.h
View file

@ -8,16 +8,19 @@
#ifndef AARCH64_TARGET_ELF_H
#define AARCH64_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 34
/*
* See linux kernel: arch/arm64/include/asm/elf.h, where
* elf_gregset_t is mapped to struct user_pt_regs via sizeof.
*/
typedef struct target_elf_gregset_t {
target_elf_greg_t regs[ELF_NREG];
struct target_user_pt_regs pt;
} target_elf_gregset_t;
#endif