linux32_locore.s revision 168035
1/* $FreeBSD: head/sys/amd64/linux32/linux32_locore.s 168035 2007-03-30 00:06:21Z jkim $ */ 2 3#include "linux32_assym.h" /* system definitions */ 4#include <machine/asmacros.h> /* miscellaneous asm macros */ 5 6#include <amd64/linux32/linux32_syscall.h> /* system call numbers */ 7 8.text 9.code32 10 11NON_GPROF_ENTRY(linux_sigcode) 12 call *LINUX_SIGF_HANDLER(%esp) 13 leal LINUX_SIGF_SC(%esp),%ebx /* linux scp */ 14 movl LINUX_SC_ES(%ebx),%es 15 movl LINUX_SC_DS(%ebx),%ds 16 movl %esp, %ebx /* pass sigframe */ 17 push %eax /* fake ret addr */ 18 movl $LINUX_SYS_linux_sigreturn,%eax /* linux_sigreturn() */ 19 int $0x80 /* enter kernel with args */ 200: jmp 0b 21 ALIGN_TEXT 22/* XXXXX */ 23linux_rt_sigcode: 24 call *LINUX_RT_SIGF_HANDLER(%esp) 25 leal LINUX_RT_SIGF_UC(%esp),%ebx /* linux ucp */ 26 movl LINUX_SC_ES(%ebx),%es 27 movl LINUX_SC_DS(%ebx),%ds 28 push %eax /* fake ret addr */ 29 movl $LINUX_SYS_linux_rt_sigreturn,%eax /* linux_rt_sigreturn() */ 30 int $0x80 /* enter kernel with args */ 310: jmp 0b 32 ALIGN_TEXT 33/* XXXXX */ 34linux_esigcode: 35 36 .data 37 .globl linux_szsigcode, linux_sznonrtsigcode 38linux_szsigcode: 39 .long linux_esigcode-linux_sigcode 40linux_sznonrtsigcode: 41 .long linux_rt_sigcode-linux_sigcode 42