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66 lines
1.7 KiB
Diff
66 lines
1.7 KiB
Diff
commit 4f2bcda964d4fff56855e0c66198c9bcb682ea1e
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Author: Will Newton <will.newton@linaro.org>
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Date: Thu Aug 29 20:10:26 2013 +0100
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ARM: Fix clone code when built for Thumb.
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The mov lr, pc instruction will lose the Thumb bit from the return address
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so use blx lr instead.
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ports/ChangeLog.arm:
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2013-08-30 Will Newton <will.newton@linaro.org>
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[BZ #15909]
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* sysdeps/unix/sysv/linux/arm/clone.S (__clone): Use blx
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instead of mov lr, pc.
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(cherry picked from commit 6b06ac56cdfc9293908724e51e827534e97819aa)
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---
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NEWS | 6 ++++++
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ports/ChangeLog.arm | 6 ++++++
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ports/sysdeps/unix/sysv/linux/arm/clone.S | 4 ++--
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3 files changed, 14 insertions(+), 2 deletions(-)
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--- a/NEWS
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+++ b/NEWS
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@@ -5,6 +5,12 @@
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Please send GNU C library bug reports via <http://sourceware.org/bugzilla/>
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using `glibc' in the "product" field.
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+Version 2.18.1
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+
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+* The following bugs are resolved with this release:
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+
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+ 15909.
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+
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Version 2.18
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* The following bugs are resolved with this release:
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--- a/ports/ChangeLog.arm
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+++ b/ports/ChangeLog.arm
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@@ -1,3 +1,9 @@
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+2013-08-30 Will Newton <will.newton@linaro.org>
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+
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+ [BZ #15909]
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+ * sysdeps/unix/sysv/linux/arm/clone.S (__clone): Use blx
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+ instead of mov lr, pc.
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+
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2013-07-03 Joseph Myers <joseph@codesourcery.com>
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* sysdeps/arm/include/bits/setjmp.h [_ISOMAC] (JMP_BUF_REGLIST):
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--- a/ports/sysdeps/unix/sysv/linux/arm/clone.S
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+++ b/ports/sysdeps/unix/sysv/linux/arm/clone.S
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@@ -93,8 +93,8 @@
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mov lr, pc
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bx ip
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#else
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- mov lr, pc
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- ldr pc, [sp], #8
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+ ldr lr, [sp], #8
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+ blx lr
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#endif
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@ and we are done, passing the return value through r0
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