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authorDavid S. Miller <davem@davemloft.net>2011-08-23 23:17:52 -0700
committerDavid S. Miller <davem@davemloft.net>2011-08-23 23:17:52 -0700
commit2c0b250ae4bc8f14a7c5a5e733d57de6c6745d9c (patch)
treed5dfa66227d17068409033521d62fc07ebd42216 /sysdeps/sparc
parent2cae4995416cc25f381686902b4243f0095daedd (diff)
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Fix jmpbuf unwind checks on sparc64.
Diffstat (limited to 'sysdeps/sparc')
-rw-r--r--sysdeps/sparc/sparc64/dl-machine.h4
-rw-r--r--sysdeps/sparc/sparc64/jmpbuf-unwind.h4
2 files changed, 4 insertions, 4 deletions
diff --git a/sysdeps/sparc/sparc64/dl-machine.h b/sysdeps/sparc/sparc64/dl-machine.h
index aaa22d6540..3f71a66774 100644
--- a/sysdeps/sparc/sparc64/dl-machine.h
+++ b/sysdeps/sparc/sparc64/dl-machine.h
@@ -264,9 +264,9 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
 #define elf_machine_relplt elf_machine_rela
 
 /* Undo the sub %sp, 6*8, %sp; add %sp, STACK_BIAS + 22*8, %o0 below
-   to get at the value we want in __libc_stack_end.  */
+   (but w/o STACK_BIAS) to get at the value we want in __libc_stack_end.  */
 #define DL_STACK_END(cookie) \
-  ((void *) (((long) (cookie)) - (22 - 6) * 8 - STACK_BIAS))
+  ((void *) (((long) (cookie)) - (22 - 6) * 8))
 
 /* Initial entry point code for the dynamic linker.
    The C function `_dl_start' is the real entry point;
diff --git a/sysdeps/sparc/sparc64/jmpbuf-unwind.h b/sysdeps/sparc/sparc64/jmpbuf-unwind.h
index f7eed15ea1..f19b6498f2 100644
--- a/sysdeps/sparc/sparc64/jmpbuf-unwind.h
+++ b/sysdeps/sparc/sparc64/jmpbuf-unwind.h
@@ -24,14 +24,14 @@
 /* Test if longjmp to JMPBUF would unwind the frame
    containing a local variable at ADDRESS.  */
 #define _JMPBUF_UNWINDS(jmpbuf, address, demangle)			\
-  ((unsigned long int) (address) < (jmpbuf)->uc_mcontext.mc_fp + 2047)
+  ((unsigned long int) (address) < (jmpbuf)->uc_mcontext.mc_gregs[MC_O6] + 2047)
 
 #define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
   _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
 
 #define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
   ((uintptr_t) (_address) - (_adj) \
-   < (uintptr_t) (_jmpbuf)[0].uc_mcontext.mc_fp + 2047 - (_adj))
+   < (uintptr_t) (_jmpbuf)[0].uc_mcontext.mc_gregs[MC_O6] + 2047 - (_adj))
 
 /* We use the normal lobngjmp for unwinding.  */
 #define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)