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linux-user/hppa: write the floating-point registers to a core dump

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Write an NT_FPREGSET note for HPPA, matching the kernel's
elf_fpregset_t layout (ELF_NFPREG = 32): fr0-fr31 as 64-bit values.

Signed-off-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Matt Turner 2026-08-05 13:15:05 -04:00 • committed by Helge Deller
parent bc22871fc0
commit 474ad68669
2 changed files with 16 additions and 0 deletions
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7
linux-user/hppa/elfload.c
View file

@ -17,6 +17,13 @@ const char *get_elf_platform(CPUState *cs)
return "PARISC";
}
void elf_core_copy_fpregs(target_elf_fpregset_t *r, const CPUArchState *env)
{
for (int i = 0; i < 32; i++) {
r->fpr[i] = tswap64(env->fr[i]);
}
}
void elf_core_copy_regs(target_elf_gregset_t *r, const CPUArchState *env)
{
int i;

9
linux-user/hppa/target_elf.h
View file

@ -39,4 +39,13 @@ typedef struct target_elf_gregset_t {
#define STACK_ALIGNMENT 64
#define VDSO_HEADER "vdso.c.inc"
#define HAVE_ELF_CORE_FPREGS 1
/*
* Matches the kernel's elf_fpregset_t (ELF_NFPREG = 32): fr0-fr31.
*/
typedef struct target_elf_fpregset_t {
uint64_t fpr[32];
} target_elf_fpregset_t;
#endif