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3 Free Software Foundation, Inc.
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22 #include <jmpbuf-offsets.h>
23 #include <asm-syntax.h>
27 #define PARMS LINKAGE /* no space for saved regs */
29 #define SIGMSK JMPBUF+PTR_SIZE
31 ENTRY (BP_SYM (__sigsetjmp))
34 movl JMPBUF(%esp), %eax
35 CHECK_BOUNDS_BOTH_WIDE (%eax, JMPBUF(%esp), $JB_SIZE)
38 movl %ebx, (JB_BX*4)(%eax)
39 movl %esi, (JB_SI*4)(%eax)
40 movl %edi, (JB_DI*4)(%eax)
41 leal JMPBUF(%esp), %ecx /* Save SP as it will be after we return. */
45 movl %ecx, (JB_SP*4)(%eax)
46 movl PCOFF(%esp), %ecx /* Save PC we are returning to now. */
50 movl %ecx, (JB_PC*4)(%eax)
51 LEAVE /* pop frame pointer to prepare for tail-call. */
52 movl %ebp, (JB_BP*4)(%eax) /* Save caller's frame pointer. */
54 #if defined NOT_IN_libc && defined IS_IN_rtld
55 /* In ld.so we never save the signal mask. */
59 /* Make a tail call to __sigjmp_save; it takes the same args. */
62 END (BP_SYM (__sigsetjmp))