linux32_locore.s revision 133819
150477Speter/* $FreeBSD: head/sys/amd64/linux32/linux32_locore.s 133819 2004-08-16 07:55:06Z tjr $ */ 23237Scsgr 3151328Sru#include "linux32_assym.h" /* system definitions */ 4151328Sru#include <machine/asmacros.h> /* miscellaneous asm macros */ 53237Scsgr 650881Smarkm#include <amd64/linux32/linux32_syscall.h> /* system call numbers */ 750881Smarkm 83237Scsgr.text 93237Scsgr.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_GS(%ebx),%gs 15 movl LINUX_SC_FS(%ebx),%fs 16 movl LINUX_SC_ES(%ebx),%es 17 movl LINUX_SC_DS(%ebx),%ds 18 movl %esp, %ebx /* pass sigframe */ 19 push %eax /* fake ret addr */ 20 movl $LINUX_SYS_linux_sigreturn,%eax /* linux_sigreturn() */ 21 int $0x80 /* enter kernel with args */ 220: jmp 0b 23 ALIGN_TEXT 24/* XXXXX */ 25linux_rt_sigcode: 26 call *LINUX_RT_SIGF_HANDLER(%esp) 27 leal LINUX_RT_SIGF_UC(%esp),%ebx /* linux ucp */ 28 movl LINUX_SC_GS(%ebx),%gs 29 movl LINUX_SC_FS(%ebx),%fs 30 movl LINUX_SC_ES(%ebx),%es 31 movl LINUX_SC_DS(%ebx),%ds 32 push %eax /* fake ret addr */ 33 movl $LINUX_SYS_linux_rt_sigreturn,%eax /* linux_rt_sigreturn() */ 34 int $0x80 /* enter kernel with args */ 350: jmp 0b 36 ALIGN_TEXT 37/* XXXXX */ 38linux_esigcode: 39 40 .data 41 .globl linux_szsigcode, linux_sznonrtsigcode 42linux_szsigcode: 43 .long linux_esigcode-linux_sigcode 44linux_sznonrtsigcode: 45 .long linux_rt_sigcode-linux_sigcode 46