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x86: stop unwinding past __bionic_clone.

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The apparent "previous" frame is on another thread's stack.

Bug: 14270816
Bug: 15195760
Change-Id: I884f370e116203c5fa3b05a75fb8f356537261c4
This commit is contained in:
Elliott Hughes 2014-05-30 11:15:32 -07:00
parent 1672b05636
commit ee9d5bdd95
1 changed files with 2 additions and 0 deletions
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libc/arch-x86/bionic/__bionic_clone.S
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@ -38,6 +38,8 @@ ENTRY(__bionic_clone)
jmp .L_bc_return
.L_bc_child:
# We don't want anyone to unwind past this point.
.cfi_undefined %eip
call __bionic_clone_entry
hlt