diff options
Diffstat (limited to 'winsup/cygwin/gendef')
| -rwxr-xr-x | winsup/cygwin/gendef | 78 |
1 files changed, 59 insertions, 19 deletions
diff --git a/winsup/cygwin/gendef b/winsup/cygwin/gendef index d317eeacd..2457314b2 100755 --- a/winsup/cygwin/gendef +++ b/winsup/cygwin/gendef @@ -88,40 +88,79 @@ EOF if (!$main::first++) { $res = <<EOF . longjmp () . $res; .text - .global __sigbe - .global _sigreturn - .global _sigdelayed .stabs "_sigfe:F(0,1)",36,0,0,__sigbe __sigfe: pushl %edx - movl %fs:4,%eax - movl \$4,%edx - xadd %edx,$tls::stackptr(%eax) - leal __sigbe,%eax - xchg %eax,8(%esp) - movl %eax,(%edx) + movl %fs:4,%edx +1: movl \$1,%eax + lock cmpxchg %eax,$tls::stacklock(%edx) + jne 2f + xorl %eax,%eax + call _low_priority_sleep + jmp 1b +2: movl \$4,%eax + xadd %eax,$tls::stackptr(%edx) + decl $tls::stacklock(%edx) + leal __sigbe,%edx + xchg %edx,8(%esp) + movl %edx,(%eax) popl %edx ret + .global __sigbe .stabs "_sigbe:F(0,1)",36,0,0,__sigbe __sigbe: - pushl %eax pushl %edx - movl \$-4,%edx -1: movl %fs:4,%eax - xadd %edx,$tls::stackptr(%eax) + pushl %eax + movl %fs:4,%edx +1: movl \$1,%eax + lock cmpxchg %eax,$tls::stacklock(%edx) + jne 2f xorl %eax,%eax - lock xchg %eax,-4(%edx) - testl %eax,%eax - jnz 2f call _low_priority_sleep - xorl %edx,%edx jmp 1b -2: xchg %eax,4(%esp) - popl %edx +2: movl \$-4,%eax + xadd %eax,$tls::stackptr(%edx) + xchg %edx,-4(%eax) + xchg %edx,4(%esp) + popl %eax + ret + + .global __ZN11_threadinfo3popEv +__ZN11_threadinfo3popEv: +1: pushl %ebx + movl %eax,%edx + movl \$-4,%ebx + xadd %ebx,$tls::pstackptr(%edx) + xorl %eax,%eax + xchg %eax,-4(%ebx) + decl $tls::pstacklock(%edx) + popl %ebx + ret + + .global __ZN11_threadinfo4lockEi +__ZN11_threadinfo4lockEi: + pushl %ebx + movl %eax,%ebx +1: movl \$1,%eax + lock cmpxchg %eax,$tls::pstacklock(%ebx) + jne 2f + cmpl %edx,%edx + jz 2f + xorl %eax,%eax + call _low_priority_sleep + jmp 1b +2: xorl \$1,%eax + popl %ebx ret + .global __ZN11_threadinfo6unlockEv +__ZN11_threadinfo6unlockEv: + decl $tls::pstacklock(%eax) + ret + + .global _sigreturn .stabs "sigreturn:F(0,1)",36,0,0,_sigreturn _sigreturn: addl \$4,%esp # Remove argument @@ -147,6 +186,7 @@ _sigreturn: popl %ebp jmp __sigbe + .global _sigdelayed .stabs "sigdelayed:F(0,1)",36,0,0,_sigdelayed _sigdelayed: pushl %ebp |