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| author | mostang.com!davidm <mostang.com!davidm> | 2003-01-21 17:41:20 +0000 |
|---|---|---|
| committer | mostang.com!davidm <mostang.com!davidm> | 2003-01-21 17:41:20 +0000 |
| commit | ca50cf63540188b4ed0acb4f7da9bad70e0f4be7 (patch) | |
| tree | 54f58a032609001a3cda38b5f3f9a3c702080463 /src | |
| parent | 4f231eb84ab0a9ff0448aaba7da1e74ea98f032c (diff) | |
| download | libunwind-ca50cf63540188b4ed0acb4f7da9bad70e0f4be7.tar.gz | |
Begin to support resuming execution beyond a signal handler frame (not working yet).
(Logical change 1.40)
Diffstat (limited to 'src')
| -rw-r--r-- | src/ia64/__ia64_install_context.S | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/ia64/__ia64_install_context.S b/src/ia64/__ia64_install_context.S index 3ea35878..96a1c563 100644 --- a/src/ia64/__ia64_install_context.S +++ b/src/ia64/__ia64_install_context.S @@ -1,5 +1,5 @@ /* libunwind - a platform-independent unwind library - Copyright (C) 2001-2002 Hewlett-Packard Co + Copyright (C) 2001-2003 Hewlett-Packard Co Contributed by David Mosberger-Tang <davidm@hpl.hp.com> This file is part of libunwind. @@ -25,6 +25,8 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "ucontext_i.h" +#define SYS_sigreturn 1181 + #ifndef UNW_REMOTE_ONLY /* __ia64_install_context (const ucontext_t *ucp, @@ -37,10 +39,12 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ switches only. Therefore, it does not have to restore anything other than the PRESERVED state. */ + .hidden __ia64_install_context + .global __ia64_install_context .proc __ia64_install_context __ia64_install_context: - alloc r16 = ar.pfs, 5, 0, 0, 0 + alloc r16 = ar.pfs, 6, 0, 0, 0 invala add r2 = SC_NAT, r32 ;; @@ -135,6 +139,7 @@ __ia64_install_context: mov pr = rPR, -1 ;; mov.m ar.rsc = rTMP // put RSE into enforced lazy mode + cmp.eq p6,p0 = r0, in5 ;; loadrs // drop dirty partition mov r18 = in4 @@ -145,7 +150,10 @@ __ia64_install_context: ;; mov.m ar.rnat = rRNAT mov.m ar.rsc = rRSC - br.ret.sptk rp +(p6) br.ret.sptk rp + + mov r15 = SYS_sigreturn + break 0x100000 .endp __ia64_install_context |