diff options
Diffstat (limited to 'sys/compat/ia32/ia32_sysvec.c')
| -rw-r--r-- | sys/compat/ia32/ia32_sysvec.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/sys/compat/ia32/ia32_sysvec.c b/sys/compat/ia32/ia32_sysvec.c index a8e52e8..27d2d1b 100644 --- a/sys/compat/ia32/ia32_sysvec.c +++ b/sys/compat/ia32/ia32_sysvec.c @@ -190,9 +190,25 @@ SYSINIT(kia32, SI_SUB_EXEC, SI_ORDER_ANY, &kia32_brand_info); void -elf32_dump_thread(struct thread *td __unused, void *dst __unused, - size_t *off __unused) +elf32_dump_thread(struct thread *td, void *dst, size_t *off) { + void *buf; + size_t len; + + len = 0; + if (use_xsave) { + if (dst != NULL) { + fpugetregs(td); + len += elf32_populate_note(NT_X86_XSTATE, + get_pcb_user_save_td(td), dst, + cpu_max_ext_state_size, &buf); + *(uint64_t *)((char *)buf + X86_XSTATE_XCR0_OFFSET) = + xsave_mask; + } else + len += elf32_populate_note(NT_X86_XSTATE, NULL, NULL, + cpu_max_ext_state_size, NULL); + } + *off = len; } void |
