linux32_locore.s revision 182849
1133819Stjr/* $FreeBSD: head/sys/amd64/linux32/linux32_locore.s 182849 2008-09-07 16:39:21Z kib $ */ 2133819Stjr 3133819Stjr#include "linux32_assym.h" /* system definitions */ 4133819Stjr#include <machine/asmacros.h> /* miscellaneous asm macros */ 5133819Stjr 6133819Stjr#include <amd64/linux32/linux32_syscall.h> /* system call numbers */ 7133819Stjr 8133819Stjr.text 9133819Stjr.code32 10133819Stjr 11133819StjrNON_GPROF_ENTRY(linux_sigcode) 12133819Stjr call *LINUX_SIGF_HANDLER(%esp) 13133819Stjr leal LINUX_SIGF_SC(%esp),%ebx /* linux scp */ 14133819Stjr movl LINUX_SC_ES(%ebx),%es 15133819Stjr movl LINUX_SC_DS(%ebx),%ds 16133819Stjr movl %esp, %ebx /* pass sigframe */ 17133819Stjr push %eax /* fake ret addr */ 18133819Stjr movl $LINUX_SYS_linux_sigreturn,%eax /* linux_sigreturn() */ 19133819Stjr int $0x80 /* enter kernel with args */ 20133819Stjr0: jmp 0b 21133819Stjr ALIGN_TEXT 22133819Stjr/* XXXXX */ 23133819Stjrlinux_rt_sigcode: 24133819Stjr call *LINUX_RT_SIGF_HANDLER(%esp) 25133819Stjr leal LINUX_RT_SIGF_UC(%esp),%ebx /* linux ucp */ 26182849Skib leal LINUX_RT_SIGF_SC(%ebx),%ecx /* linux sigcontext */ 27182849Skib movl LINUX_SC_ES(%ecx),%es 28182849Skib movl LINUX_SC_DS(%ecx),%ds 29133819Stjr push %eax /* fake ret addr */ 30133819Stjr movl $LINUX_SYS_linux_rt_sigreturn,%eax /* linux_rt_sigreturn() */ 31133819Stjr int $0x80 /* enter kernel with args */ 32133819Stjr0: jmp 0b 33133819Stjr ALIGN_TEXT 34133819Stjr/* XXXXX */ 35133819Stjrlinux_esigcode: 36133819Stjr 37133819Stjr .data 38133819Stjr .globl linux_szsigcode, linux_sznonrtsigcode 39133819Stjrlinux_szsigcode: 40133819Stjr .long linux_esigcode-linux_sigcode 41133819Stjrlinux_sznonrtsigcode: 42133819Stjr .long linux_rt_sigcode-linux_sigcode 43