Dmitry V. Levin
a3c483545a
Split code that use arch-specific registers to separate arch files. * sigreturn.c (sys_sigreturn): Move arch-specific code to linux/*/arch_sigreturn.c, include "arch_sigreturn.c". * linux/arch_sigreturn.c: New file. * Makefile.am (EXTRA_DIST): Add linux/arch_sigreturn.c and linux/*/arch_sigreturn.c files.
21 lines
550 B
C
21 lines
550 B
C
/*
|
|
* On i386, sigcontext is followed on stack by struct fpstate
|
|
* and after it an additional u32 extramask which holds
|
|
* upper half of the mask.
|
|
*/
|
|
struct {
|
|
uint32_t struct_sigcontext_padding1[20];
|
|
uint32_t oldmask;
|
|
uint32_t struct_sigcontext_padding2;
|
|
uint32_t struct_fpstate_padding[156];
|
|
uint32_t extramask;
|
|
} frame;
|
|
|
|
if (umove(tcp, *i386_esp_ptr, &frame) < 0) {
|
|
tprintf("{mask=%#lx}", (unsigned long) *i386_esp_ptr);
|
|
} else {
|
|
uint32_t mask[2] = { frame.oldmask, frame.extramask };
|
|
tprintsigmask_addr("{mask=", mask);
|
|
tprints("}");
|
|
}
|