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Max Filippov 991995c4e7 xtensa: fix _Unwind_GetCFA 
Returning context->cfa in _Unwind_GetCFA makes CFA point one stack frame
higher than what was actually used by code at context->ra. This results
in invalid CFA value in signal frames and premature unwinding completion
in forced unwinding used by uClibc NPTL thread cancellation.
Returning context->sp from _Unwind_GetCFA makes all CFA values valid and
matching code that used them.

2015-08-18  Max Filippov  <jcmvbkbc@gmail.com>
libgcc/
	* config/xtensa/unwind-dw2-xtensa.c (_Unwind_GetCFA): Return
	context->sp instead of context->cfa.

From-SVN: r226964
2015-08-18 01:08:22 +00:00
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aarch64 Update copyright years. 2015-01-05 13:33:28 +01:00
alpha Update copyright years. 2015-01-05 13:33:28 +01:00
arc Update copyright years. 2015-01-05 13:33:28 +01:00
arm lib1funcs.S (aeabi_idiv0, [...]): Add CFI entries. 2015-06-23 17:45:18 +00:00
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frv elf-lib.h: New file. 2015-04-28 11:23:40 +02:00
ft32 FT32 target added. Approved by Jeff Law [law@redhat.com] 2015-05-16 23:49:08 +00:00
h8300 config.gcc: Add h8300-*-linux. 2015-04-27 13:16:27 -06:00
i386 driver-i386.c (host_detect_local_cpu): Add support for skylake. 2015-08-14 09:11:01 +00:00
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nios2 linux-atomic.c (<asm/unistd.h>): Remove #include. 2015-07-22 11:39:30 +00:00
nvptx [PR target/65181] nvptx libgcc: Prevent building "advanced" stuff (for example, gcov support) 2015-02-23 18:51:41 +01:00
pa linux-atomic.c (__kernel_cmpxchg): Reorder arguments to better match light-weight syscall argument order. 2015-07-01 17:42:20 +00:00
pdp11
rl78 rl78-opts.h (enum rl78_mul_types): Add MUL_G14 and MUL_UNINIT. 2015-04-16 07:57:56 +00:00
rs6000 re PR libgcc/66225 (libgcc/config/rs6000/morecore.S will not build on systems with an older assembler) 2015-05-21 09:25:08 +09:30
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visium configure.ac: Add Visium support. 2015-01-06 08:50:12 +00:00
vms Update copyright years. 2015-01-05 13:33:28 +01:00
xtensa xtensa: fix _Unwind_GetCFA 2015-08-18 01:08:22 +00:00
darwin-64.c Update copyright years. 2015-01-05 13:33:28 +01:00
darwin-crt3.c Update copyright years. 2015-01-05 13:33:28 +01:00
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gmon-sol2.c
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gthr-vxworks.h re PR libgcc/64885 (libstdc++ all_attributes failure) 2015-03-02 18:02:18 +00:00
hardfp.c Update copyright years. 2015-01-05 13:33:28 +01:00
libgcc-glibc.ver Update copyright years. 2015-01-05 13:33:28 +01:00
libgcc-libsystem.ver
no-sfp-machine.h
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t-softfp libgcc: fix build with older make 2015-07-17 07:14:25 +00:00
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