diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2025-08-28 13:44:40 +1000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2025-08-30 07:04:04 +1000 |
| commit | abfa6c7c2a0ddc4eaf373de320d758435e7acf9b (patch) | |
| tree | 6704a395e8a1e0a772efa36f6e15cc1f2e90670d /linux-user | |
| parent | b90e36861636fc5f021fd2a0676087d076cd0cc9 (diff) | |
| download | qemu-abfa6c7c2a0ddc4eaf373de320d758435e7acf9b.zip qemu-abfa6c7c2a0ddc4eaf373de320d758435e7acf9b.tar.gz qemu-abfa6c7c2a0ddc4eaf373de320d758435e7acf9b.tar.bz2 | |
linux-user/xtensa: Expand target_elf_gregset_t
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>
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/xtensa/elfload.c | 39 | ||||
| -rw-r--r-- | linux-user/xtensa/target_elf.h | 12 |
2 files changed, 19 insertions, 32 deletions
diff --git a/linux-user/xtensa/elfload.c b/linux-user/xtensa/elfload.c index 49e709a..68aeed8 100644 --- a/linux-user/xtensa/elfload.c +++ b/linux-user/xtensa/elfload.c @@ -11,36 +11,21 @@ const char *get_elf_cpu_model(uint32_t eflags) return XTENSA_DEFAULT_CPU_MODEL; } -#define tswapreg(ptr) tswapal(ptr) - -enum { - TARGET_REG_PC, - TARGET_REG_PS, - TARGET_REG_LBEG, - TARGET_REG_LEND, - TARGET_REG_LCOUNT, - TARGET_REG_SAR, - TARGET_REG_WINDOWSTART, - TARGET_REG_WINDOWBASE, - TARGET_REG_THREADPTR, - TARGET_REG_AR0 = 64, -}; - void elf_core_copy_regs(target_elf_gregset_t *r, const CPUXtensaState *env) { - unsigned i; + r->pt.pc = tswap32(env->pc); + r->pt.ps = tswap32(env->sregs[PS] & ~PS_EXCM); + r->pt.lbeg = tswap32(env->sregs[LBEG]); + r->pt.lend = tswap32(env->sregs[LEND]); + r->pt.lcount = tswap32(env->sregs[LCOUNT]); + r->pt.sar = tswap32(env->sregs[SAR]); + r->pt.windowstart = tswap32(env->sregs[WINDOW_START]); + r->pt.windowbase = tswap32(env->sregs[WINDOW_BASE]); + r->pt.threadptr = tswap32(env->uregs[THREADPTR]); - r->regs[TARGET_REG_PC] = tswapreg(env->pc); - r->regs[TARGET_REG_PS] = tswapreg(env->sregs[PS] & ~PS_EXCM); - r->regs[TARGET_REG_LBEG] = tswapreg(env->sregs[LBEG]); - r->regs[TARGET_REG_LEND] = tswapreg(env->sregs[LEND]); - r->regs[TARGET_REG_LCOUNT] = tswapreg(env->sregs[LCOUNT]); - r->regs[TARGET_REG_SAR] = tswapreg(env->sregs[SAR]); - r->regs[TARGET_REG_WINDOWSTART] = tswapreg(env->sregs[WINDOW_START]); - r->regs[TARGET_REG_WINDOWBASE] = tswapreg(env->sregs[WINDOW_BASE]); - r->regs[TARGET_REG_THREADPTR] = tswapreg(env->uregs[THREADPTR]); xtensa_sync_phys_from_window((CPUXtensaState *)env); - for (i = 0; i < env->config->nareg; ++i) { - r->regs[TARGET_REG_AR0 + i] = tswapreg(env->phys_regs[i]); + + for (unsigned i = 0; i < env->config->nareg; ++i) { + r->pt.a[i] = tswap32(env->phys_regs[i]); } } diff --git a/linux-user/xtensa/target_elf.h b/linux-user/xtensa/target_elf.h index 43e241a..850a720 100644 --- a/linux-user/xtensa/target_elf.h +++ b/linux-user/xtensa/target_elf.h @@ -8,14 +8,16 @@ #ifndef XTENSA_TARGET_ELF_H #define XTENSA_TARGET_ELF_H -#define HAVE_ELF_CORE_DUMP 1 +#include "target_ptrace.h" -typedef abi_ulong target_elf_greg_t; +#define HAVE_ELF_CORE_DUMP 1 -/* See linux kernel: arch/xtensa/include/asm/elf.h. */ -#define ELF_NREG 128 +/* + * See linux kernel: arch/xtensa/include/asm/elf.h, where elf_gregset_t + * is mapped to struct user_pt_regs via typedef and 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 |