diff --git a/ChangeLog b/ChangeLog index a6be76213e..727516e13b 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2016-03-09 Aurelien Jarno + + [BZ #19792] + * sysdeps/unix/sysv/linux/mips/makecontext.S (__makecontext): + Terminate FDE before return label. + 2016-03-09 Joseph Myers [BZ #19790] diff --git a/sysdeps/unix/sysv/linux/mips/makecontext.S b/sysdeps/unix/sysv/linux/mips/makecontext.S index 66600c7513..31965543f8 100644 --- a/sysdeps/unix/sysv/linux/mips/makecontext.S +++ b/sysdeps/unix/sysv/linux/mips/makecontext.S @@ -153,6 +153,11 @@ NESTED (__makecontext, FRAMESZ, ra) #endif jr ra + /* We need to terminate the FDE to stop unwinding if backtrace was + called within a context created by makecontext. */ + cfi_endproc + nop + 99: #ifdef __PIC__ move gp, s1 @@ -186,6 +191,8 @@ NESTED (__makecontext, FRAMESZ, ra) 1: lb zero, (zero) b 1b + + cfi_startproc PSEUDO_END (__makecontext) weak_alias (__makecontext, makecontext)