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* exceptions.cc (sigreturn): Don't clobber ebp in recursive signal calls.

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This commit is contained in:
Christopher Faylor
2003-08-22 19:25:56 +00:00
parent 9fc9e1c916
commit 897c6b5231
4 changed files with 31 additions and 14 deletions
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6
winsup/cygwin/exceptions.cc
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@ -1225,8 +1225,7 @@ _sigreturn: \n\
cmpl $0,%4 # Did a signal come in? \n\
jz 1f # No, if zero \n\
movl %2,%%eax \n\
movl %%esp,%%ebp \n\
movl %%eax,36(%%ebp) # Restore return address \n\
movl %%eax,36(%%esp) # Restore return address \n\
jmp 3f \n\
\n\
1: popl %%eax # saved errno \n\
@ -1275,7 +1274,8 @@ _sigdelayed0: \n\
__no_sig_end: \n\
" : "=m" (sigsave.sig): "X" ((char *) &_impure_ptr->_errno),
"g" (sigsave.retaddr), "g" (sigsave.oldmask), "g" (sigsave.sig),
"g" (sigsave.func), "g" (sigsave.saved_errno), "g" (sigsave.newmask)
"g" (sigsave.func), "g" (sigsave.saved_errno), "g" (sigsave.newmask),
"g" (sigsave.retaddr_on_stack)
);
}
}