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Claudiu Zissulescu 68a650ba57 arc: Add DWARF2 alternate CFA column. 
Add DWARF 2 CFA column which tracks the return address from a signal
handler context.  This value must not correspond to a hard register
and must be out of the range of DWARF_FRAME_REGNUM().

gcc/
	* config/arc/arc.h (DWARF_FRAME_REGNUM): Update definition.
	(DWARF_FRAME_RETURN_COLUMN): Use RETURN_ADDR_REGNUM macro.
	(INCOMING_RETURN_ADDR_RTX): Likewise.
	(DWARF_ALT_FRAME_RETURN_COLUMN): Define.

gcc/testsuite/
	* gcc.target/arc/cancel-1.c: New file.

libgcc/
	* config/arc/linux-unwind.h (arc_fallback_frame_state): Use
	DWARF_ALT_FRAME_RETURN_COLUMN macro.

Signed-off-by: Claudiu Zissulescu <claziss@synopsys.com>
 		2022-01-14 12:24:52 +02:00
..
config arc: Add DWARF2 alternate CFA column. 2022-01-14 12:24:52 +02:00
soft-fp Update hf soft-fp from glibc. 2021-09-02 14:11:53 +08:00
ChangeLog Daily bump. 2022-01-05 00:16:52 +00:00
Makefile.in Update copyright years. 2022-01-03 10:42:10 +01:00
config.host Update copyright years. 2022-01-03 10:42:10 +01:00
config.in gcov: use mmap pools for KVP. 2021-03-03 14:21:45 +01:00
configure rs6000: Fix typos in float128 ISA3.1 support 2021-06-22 23:09:30 -05:00
configure.ac rs6000: Fix typos in float128 ISA3.1 support 2021-06-22 23:09:30 -05:00
crtstuff.c Update copyright years. 2022-01-03 10:42:10 +01:00
dfp-bit.c Update copyright years. 2022-01-03 10:42:10 +01:00
dfp-bit.h Update copyright years. 2022-01-03 10:42:10 +01:00
divmod.c Update copyright years. 2022-01-03 10:42:10 +01:00
emutls.c Update copyright years. 2022-01-03 10:42:10 +01:00
enable-execute-stack-empty.c
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enable-execute-stack-mprotect.c Update copyright years. 2022-01-03 10:42:10 +01:00
find-symver.awk Update copyright years. 2022-01-03 10:42:10 +01:00
fixed-bit.c Update copyright years. 2022-01-03 10:42:10 +01:00
fixed-bit.h Update copyright years. 2022-01-03 10:42:10 +01:00
fixed-obj.mk
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floatunsidf.c
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floatunsisf.c
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floatunsitf.c
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floatunsixf.c
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fp-bit.c Update copyright years. 2022-01-03 10:42:10 +01:00
fp-bit.h Update copyright years. 2022-01-03 10:42:10 +01:00
gbl-ctors.h Update copyright years. 2022-01-03 10:42:10 +01:00
gcov.h Update copyright years. 2022-01-03 10:42:10 +01:00
gen-fixed.sh
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generic-morestack-thread.c Update copyright years. 2022-01-03 10:42:10 +01:00
generic-morestack.c Update copyright years. 2022-01-03 10:42:10 +01:00
generic-morestack.h Update copyright years. 2022-01-03 10:42:10 +01:00
gstdint.h
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gthr-posix.h Update copyright years. 2022-01-03 10:42:10 +01:00
gthr-single.h Update copyright years. 2022-01-03 10:42:10 +01:00
gthr.h Update copyright years. 2022-01-03 10:42:10 +01:00
libgcc-std.ver.in Update copyright years. 2022-01-03 10:42:10 +01:00
libgcc2.c Update copyright years. 2022-01-03 10:42:10 +01:00
libgcc2.h Update copyright years. 2022-01-03 10:42:10 +01:00
libgcov-driver-system.c Update copyright years. 2022-01-03 10:42:10 +01:00
libgcov-driver.c Update copyright years. 2022-01-03 10:42:10 +01:00
libgcov-interface.c Update copyright years. 2022-01-03 10:42:10 +01:00
libgcov-merge.c Update copyright years. 2022-01-03 10:42:10 +01:00
libgcov-profiler.c Update copyright years. 2022-01-03 10:42:10 +01:00
libgcov-util.c Update copyright years. 2022-01-03 10:42:10 +01:00
libgcov.h Update copyright years. 2022-01-03 10:42:10 +01:00
memcmp.c
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memcpy.c
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memmove.c
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memset.c
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mkheader.sh Update copyright years. 2022-01-03 10:42:10 +01:00
mkmap-flat.awk Update copyright years. 2022-01-03 10:42:10 +01:00
mkmap-symver.awk Update copyright years. 2022-01-03 10:42:10 +01:00
offloadstuff.c Update copyright years. 2022-01-03 10:42:10 +01:00
shared-object.mk
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siditi-object.mk
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static-object.mk
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sync.c Update copyright years. 2022-01-03 10:42:10 +01:00
udivhi3.c Update copyright years. 2022-01-03 10:42:10 +01:00
udivmod.c Update copyright years. 2022-01-03 10:42:10 +01:00
udivmodhi4.c Update copyright years. 2022-01-03 10:42:10 +01:00
udivmodsi4.c Update copyright years. 2022-01-03 10:42:10 +01:00
unwind-arm-common.inc Update copyright years. 2022-01-03 10:42:10 +01:00
unwind-c.c Update copyright years. 2022-01-03 10:42:10 +01:00
unwind-compat.c Update copyright years. 2022-01-03 10:42:10 +01:00
unwind-compat.h Update copyright years. 2022-01-03 10:42:10 +01:00
unwind-dw2-fde-compat.c Update copyright years. 2022-01-03 10:42:10 +01:00
unwind-dw2-fde-dip.c libgcc: Use _dl_find_object in _Unwind_Find_FDE 2022-01-04 15:47:30 +01:00
unwind-dw2-fde.c Update copyright years. 2022-01-03 10:42:10 +01:00
unwind-dw2-fde.h Update copyright years. 2022-01-03 10:42:10 +01:00
unwind-dw2.c Update copyright years. 2022-01-03 10:42:10 +01:00
unwind-dw2.h Update copyright years. 2022-01-03 10:42:10 +01:00
unwind-generic.h Update copyright years. 2022-01-03 10:42:10 +01:00
unwind-pe.h Update copyright years. 2022-01-03 10:42:10 +01:00
unwind-seh.c Update copyright years. 2022-01-03 10:42:10 +01:00
unwind-sjlj.c Update copyright years. 2022-01-03 10:42:10 +01:00
unwind.inc Update copyright years. 2022-01-03 10:42:10 +01:00
vtv_end.c Update copyright years. 2022-01-03 10:42:10 +01:00
vtv_end_preinit.c Update copyright years. 2022-01-03 10:42:10 +01:00
vtv_start.c Update copyright years. 2022-01-03 10:42:10 +01:00
vtv_start_preinit.c Update copyright years. 2022-01-03 10:42:10 +01:00