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3 This file is part of the GNU C Library.
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6 modify it under the terms of the GNU Lesser General Public
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
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23 #include <bits/setjmp.h>
24 #include <asm-syntax.h>
28 #define PARMS LINKAGE /* no space for saved regs */
30 #define SIGMSK JMPBUF+PTR_SIZE
32 ENTRY (BP_SYM (__sigsetjmp))
35 movl JMPBUF(%esp), %eax
36 CHECK_BOUNDS_BOTH_WIDE (%eax, JMPBUF(%esp), $JB_SIZE)
39 movl %ebx, (JB_BX*4)(%eax)
40 movl %esi, (JB_SI*4)(%eax)
41 movl %edi, (JB_DI*4)(%eax)
42 leal JMPBUF(%esp), %ecx /* Save SP as it will be after we return. */
46 movl %ecx, (JB_SP*4)(%eax)
47 movl PCOFF(%esp), %ecx /* Save PC we are returning to now. */
51 movl %ecx, (JB_PC*4)(%eax)
52 LEAVE /* pop frame pointer to prepare for tail-call. */
53 movl %ebp, (JB_BP*4)(%eax) /* Save caller's frame pointer. */
55 #if defined NOT_IN_libc && defined IS_IN_rtld
56 /* In ld.so we never save the signal mask. */
60 /* Make a tail call to __sigjmp_save; it takes the same args. */
63 END (BP_SYM (__sigsetjmp))