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| author | jake <jake@FreeBSD.org> | 2001-12-29 06:37:33 +0000 |
|---|---|---|
| committer | jake <jake@FreeBSD.org> | 2001-12-29 06:37:33 +0000 |
| commit | 3e3b7768f5d0c7ceee3a26a7c465511a709dbd12 (patch) | |
| tree | 302ff6feb690677dcf08a2d5b64d9efcd278d02d /lib/libc/sparc64 | |
| parent | 7e615e18384b45695455a72e17bf904917e45e0c (diff) | |
| download | FreeBSD-src-3e3b7768f5d0c7ceee3a26a7c465511a709dbd12.zip FreeBSD-src-3e3b7768f5d0c7ceee3a26a7c465511a709dbd12.tar.gz | |
Add .register directives for gcc3.
Adapt to jmpbuf no longer being a ucontext_t.
Call abort if longjmperror returns.
Diffstat (limited to 'lib/libc/sparc64')
| -rw-r--r-- | lib/libc/sparc64/gen/_setjmp.S | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/lib/libc/sparc64/gen/_setjmp.S b/lib/libc/sparc64/gen/_setjmp.S index 7cb7f23..b72d2a0 100644 --- a/lib/libc/sparc64/gen/_setjmp.S +++ b/lib/libc/sparc64/gen/_setjmp.S @@ -54,6 +54,9 @@ #include "assym.s" + .register %g2,#ignore + .register %g3,#ignore + /* * C library -- _setjmp, _longjmp * @@ -66,9 +69,9 @@ */ ENTRY(_setjmp) - stx %sp, [%o0 + UC_MC + MC_O6] - stx %o7, [%o0 + UC_MC + MC_O7] - stx %fp, [%o0 + UC_MC + MC_G1] + stx %sp, [%o0 + _JB_SP] + stx %o7, [%o0 + _JB_PC] + stx %fp, [%o0 + _JB_FP] retl clr %o0 END(_setjmp) @@ -77,16 +80,18 @@ ENTRY(_longjmp) mov 1, %g1 movrnz %o1, %o1, %g1 ! compute v ? v : 1 mov %o0, %g2 - ldx [%g2 + UC_MC + MC_G1], %g3 ! fetch callers frame + ldx [%g2 + _JB_FP], %g3 ! fetch callers frame 1: cmp %fp, %g3 ! compare against desired frame bl,a 1b ! if below, restore ! pop frame and loop be,a 2f ! if there, - ldx [%g2 + UC_MC + MC_O6], %o0 ! fetch return %sp + ldx [%g2 + _JB_SP], %o0 ! fetch return %sp .Lbotch: call CNAME(longjmperror) nop + call CNAME(abort) + nop illtrap 2: cmp %o0, %sp ! %sp must not decrease @@ -94,7 +99,7 @@ ENTRY(_longjmp) mov %o0, %sp ! it is OK, put it in place b,a .Lbotch nop -3: ldx [%g2 + UC_MC + MC_O7], %o7 ! fetch return address +3: ldx [%g2 + _JB_PC], %o7 ! fetch return address retl mov %g1, %o0 ! return v ? v : 1; END(_longjmp) |
