| locore.s (173592) | locore.s (187948) |
|---|---|
| 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * from: @(#)locore.s 7.3 (Berkeley) 5/13/91 | 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * from: @(#)locore.s 7.3 (Berkeley) 5/13/91 |
| 33 * $FreeBSD: head/sys/i386/i386/locore.s 173592 2007-11-13 23:00:24Z peter $ | 33 * $FreeBSD: head/sys/i386/i386/locore.s 187948 2009-01-31 11:37:21Z obrien $ |
| 34 * 35 * originally from: locore.s, by William F. Jolitz 36 * 37 * Substantially rewritten by David Greenman, Rod Grimes, 38 * Bruce Evans, Wolfgang Solfrank, Poul-Henning Kamp 39 * and many others. 40 */ 41 --- 291 unchanged lines hidden (view full) --- 333 * Signal trampoline, copied to top of user stack 334 */ 335NON_GPROF_ENTRY(sigcode) 336 calll *SIGF_HANDLER(%esp) 337 leal SIGF_UC(%esp),%eax /* get ucontext */ 338 pushl %eax 339 testl $PSL_VM,UC_EFLAGS(%eax) 340 jne 1f | 34 * 35 * originally from: locore.s, by William F. Jolitz 36 * 37 * Substantially rewritten by David Greenman, Rod Grimes, 38 * Bruce Evans, Wolfgang Solfrank, Poul-Henning Kamp 39 * and many others. 40 */ 41 --- 291 unchanged lines hidden (view full) --- 333 * Signal trampoline, copied to top of user stack 334 */ 335NON_GPROF_ENTRY(sigcode) 336 calll *SIGF_HANDLER(%esp) 337 leal SIGF_UC(%esp),%eax /* get ucontext */ 338 pushl %eax 339 testl $PSL_VM,UC_EFLAGS(%eax) 340 jne 1f |
| 341 movl UC_GS(%eax),%gs /* restore %gs */ | 341 mov UC_GS(%eax),%gs /* restore %gs */ |
| 3421: 343 movl $SYS_sigreturn,%eax 344 pushl %eax /* junk to fake return addr. */ 345 int $0x80 /* enter kernel with args */ 346 /* on stack */ 3471: 348 jmp 1b 349 350#ifdef COMPAT_FREEBSD4 351 ALIGN_TEXT 352freebsd4_sigcode: 353 calll *SIGF_HANDLER(%esp) 354 leal SIGF_UC4(%esp),%eax /* get ucontext */ 355 pushl %eax 356 testl $PSL_VM,UC4_EFLAGS(%eax) 357 jne 1f | 3421: 343 movl $SYS_sigreturn,%eax 344 pushl %eax /* junk to fake return addr. */ 345 int $0x80 /* enter kernel with args */ 346 /* on stack */ 3471: 348 jmp 1b 349 350#ifdef COMPAT_FREEBSD4 351 ALIGN_TEXT 352freebsd4_sigcode: 353 calll *SIGF_HANDLER(%esp) 354 leal SIGF_UC4(%esp),%eax /* get ucontext */ 355 pushl %eax 356 testl $PSL_VM,UC4_EFLAGS(%eax) 357 jne 1f |
| 358 movl UC4_GS(%eax),%gs /* restore %gs */ | 358 mov UC4_GS(%eax),%gs /* restore %gs */ |
| 3591: 360 movl $344,%eax /* 4.x SYS_sigreturn */ 361 pushl %eax /* junk to fake return addr. */ 362 int $0x80 /* enter kernel with args */ 363 /* on stack */ 3641: 365 jmp 1b 366#endif 367 368#ifdef COMPAT_43 369 ALIGN_TEXT 370osigcode: 371 call *SIGF_HANDLER(%esp) /* call signal handler */ 372 lea SIGF_SC(%esp),%eax /* get sigcontext */ 373 pushl %eax 374 testl $PSL_VM,SC_PS(%eax) 375 jne 9f | 3591: 360 movl $344,%eax /* 4.x SYS_sigreturn */ 361 pushl %eax /* junk to fake return addr. */ 362 int $0x80 /* enter kernel with args */ 363 /* on stack */ 3641: 365 jmp 1b 366#endif 367 368#ifdef COMPAT_43 369 ALIGN_TEXT 370osigcode: 371 call *SIGF_HANDLER(%esp) /* call signal handler */ 372 lea SIGF_SC(%esp),%eax /* get sigcontext */ 373 pushl %eax 374 testl $PSL_VM,SC_PS(%eax) 375 jne 9f |
| 376 movl SC_GS(%eax),%gs /* restore %gs */ | 376 mov SC_GS(%eax),%gs /* restore %gs */ |
| 3779: 378 movl $103,%eax /* 3.x SYS_sigreturn */ 379 pushl %eax /* junk to fake return addr. */ 380 int $0x80 /* enter kernel with args */ 3810: jmp 0b 382#endif /* COMPAT_43 */ 383 384 ALIGN_TEXT --- 511 unchanged lines hidden --- | 3779: 378 movl $103,%eax /* 3.x SYS_sigreturn */ 379 pushl %eax /* junk to fake return addr. */ 380 int $0x80 /* enter kernel with args */ 3810: jmp 0b 382#endif /* COMPAT_43 */ 383 384 ALIGN_TEXT --- 511 unchanged lines hidden --- |