gcc/libgcc/config
Alan Modra cd6ca96f5d [POWER10] __morestack calls from pcrel code
Compiling gcc/testsuite/gcc.dg/split-*.c and others with -mcpu=power10
and linking with a non-pcrel libgcc results in crashes due to the
power10 pcrel code not having r2 set for the generic-morestack.c
functions called from __morestack.  There is also a problem when
non-pcrel code calls a pcrel libgcc.  See the patch comments.

A similar situation theoretically occurs with ELFv1 multi-toc
executables, when __morestack might be located in a different toc
group to its caller.  This patch makes no attempt to fix that, since
the gold linker does not support multi-toc (gold is needed for proper
support of -fsplit-stack code) nor does gcc emit __morestack calls
that support multi-toc.

	* config/rs6000/morestack.S (R2_SAVE): Define.
	(__morestack): Save and restore r2.  Set up r2 for called
	functions.
2021-07-15 15:27:09 +09:30
..
aarch64 Update copyright years. 2021-01-04 10:26:59 +01:00
alpha Update copyright years. 2021-01-04 10:26:59 +01:00
arc Update copyright years. 2021-01-04 10:26:59 +01:00
arm arm: Fix the mve multilib for the broken cmse support (pr99939). 2021-06-11 15:56:48 +01:00
avr Update copyright years. 2021-01-04 10:26:59 +01:00
bfin Update copyright years. 2021-01-04 10:26:59 +01:00
bpf GCC port for eBPF 2019-09-09 12:13:23 +02:00
c6x Update copyright years. 2021-01-04 10:26:59 +01:00
cr16 Update copyright years. 2021-01-04 10:26:59 +01:00
cris Update copyright years. 2021-01-04 10:26:59 +01:00
csky Update copyright years. 2021-01-04 10:26:59 +01:00
epiphany Update copyright years. 2021-01-04 10:26:59 +01:00
fr30 Update copyright years. 2021-01-04 10:26:59 +01:00
frv Update copyright years. 2021-01-04 10:26:59 +01:00
ft32 Update copyright years. 2021-01-04 10:26:59 +01:00
gcn amdgcn: Enable support for TImode for AMD GCN 2021-06-29 08:19:56 -07:00
h8300 Update copyright years. 2021-01-04 10:26:59 +01:00
i386 libgcc, i386: Add .note.GNU-stack sections to the ms sse/avx sav/res 2021-01-27 11:50:13 +01:00
ia64 Update copyright years. 2021-01-04 10:26:59 +01:00
iq2000 Update copyright years. 2021-01-04 10:26:59 +01:00
libbid Update copyright years. 2021-01-04 10:26:59 +01:00
lm32 Update copyright years. 2021-01-04 10:26:59 +01:00
m32c Update copyright years. 2021-01-04 10:26:59 +01:00
m32r Update copyright years. 2021-01-04 10:26:59 +01:00
m68k Update copyright years. 2021-01-04 10:26:59 +01:00
mcore Update copyright years. 2021-01-04 10:26:59 +01:00
microblaze Update copyright years. 2021-01-04 10:26:59 +01:00
mips Update copyright years. 2021-01-04 10:26:59 +01:00
mmix Update copyright years. 2021-01-04 10:26:59 +01:00
moxie Update copyright years. 2021-01-04 10:26:59 +01:00
msp430 Update copyright years. 2021-01-04 10:26:59 +01:00
nds32 Update copyright years. 2021-01-04 10:26:59 +01:00
nios2 Update copyright years. 2021-01-04 10:26:59 +01:00
nvptx Update copyright years. 2021-01-04 10:26:59 +01:00
or1k or1k: Support for softfloat to emulate hw exceptions 2021-01-14 08:45:01 +09:00
pa Update copyright years. 2021-01-04 10:26:59 +01:00
pdp11 t-pdp11 (LIB2ADD): Add divmod.c. 2018-11-01 14:36:52 -04:00
pru libgcc: pru: Place mpyll into its own section 2021-05-13 23:11:01 +03:00
riscv RISC-V: Update soft-fp config for big-endian 2021-03-23 17:31:13 +08:00
rl78 Update copyright years. 2021-01-04 10:26:59 +01:00
rs6000 [POWER10] __morestack calls from pcrel code 2021-07-15 15:27:09 +09:30
rx Update copyright years. 2021-01-04 10:26:59 +01:00
s390 Update copyright years. 2021-01-04 10:26:59 +01:00
score Update copyright years. 2021-01-04 10:26:59 +01:00
sh Update copyright years. 2021-01-04 10:26:59 +01:00
sol2 Update copyright years. 2021-01-04 10:26:59 +01:00
sparc Update copyright years. 2021-01-04 10:26:59 +01:00
stormy16 Update copyright years. 2021-01-04 10:26:59 +01:00
tilegx
tilepro Update copyright years. 2021-01-04 10:26:59 +01:00
v850 Update copyright years. 2021-01-04 10:26:59 +01:00
vax Update copyright years. 2021-01-04 10:26:59 +01:00
visium Update copyright years. 2021-01-04 10:26:59 +01:00
vms Update copyright years. 2021-01-04 10:26:59 +01:00
xtensa Update copyright years. 2021-01-04 10:26:59 +01:00
darwin10-unwind-find-enc-func.c Move Darwin10 unwinder fix to a crt shim. 2018-08-22 11:58:43 +00:00
darwin-64.c Update copyright years. 2021-01-04 10:26:59 +01:00
darwin-crt3.c Update copyright years. 2021-01-04 10:26:59 +01:00
darwin-crt-tm.c Update copyright years. 2021-01-04 10:26:59 +01:00
gthr-lynx.h Update copyright years. 2021-01-04 10:26:59 +01:00
gthr-rtems.h Update copyright years. 2021-01-04 10:26:59 +01:00
gthr-vxworks-cond.c Update copyright years. 2021-01-04 10:26:59 +01:00
gthr-vxworks-thread.c Update copyright years. 2021-01-04 10:26:59 +01:00
gthr-vxworks-tls.c Update copyright years. 2021-01-04 10:26:59 +01:00
gthr-vxworks.c Update copyright years. 2021-01-04 10:26:59 +01:00
gthr-vxworks.h Update copyright years. 2021-01-04 10:26:59 +01:00
hardfp.c Update copyright years. 2021-01-04 10:26:59 +01:00
libgcc-glibc.ver Update copyright years. 2021-01-04 10:26:59 +01:00
libgcc-libsystem.ver
no-sfp-machine.h
no-unwind.h
t-crtfm
t-crtstuff-pic
t-darwin [Darwin] Some TLC for older Darwin versions. 2019-07-03 18:36:28 +00:00
t-dfprules
t-eh-dw2-dip
t-fdpbit
t-fixedpoint-gnu-prefix
t-fpbit
t-freebsd-thread
t-gnu-prefix
t-gthr-noweak musl: Don't use gthr weak refs in libgcc PR91737 2019-11-18 12:08:18 +00:00
t-gthr-vxworks Improve the thread support for VxWorks 2019-11-14 15:58:31 +00:00
t-gthr-vxworksae Update the libgcc support for VxWorks AE/653 2019-11-14 16:00:55 +00:00
t-hardfp Update copyright years. 2021-01-04 10:26:59 +01:00
t-hardfp-sfdf Update copyright years. 2021-01-04 10:26:59 +01:00
t-libgcc-pic
t-libunwind
t-libunwind-elf Update copyright years. 2021-01-04 10:26:59 +01:00
t-linux
t-openbsd-thread
t-rtems
t-slibgcc Update copyright years. 2021-01-04 10:26:59 +01:00
t-slibgcc-darwin
t-slibgcc-elf-ver
t-slibgcc-fuchsia Update copyright years. 2021-01-04 10:26:59 +01:00
t-slibgcc-gld
t-slibgcc-gld-nover
t-slibgcc-hpux
t-slibgcc-libgcc Update copyright years. 2021-01-04 10:26:59 +01:00
t-slibgcc-nolc-override
t-slibgcc-sld Use v2 map syntax in libgcc-unwind.map if Solaris ld supports it 2018-09-18 07:04:15 +00:00
t-slibgcc-vms
t-softfp Update copyright years. 2021-01-04 10:26:59 +01:00
t-softfp-compat
t-softfp-excl
t-softfp-sfdf
t-softfp-sfdftf
t-softfp-tf
t-stack
t-tls
t-vxcrtstuff Fix the vxworks crtstuff handling of kernel/rtp variations 2020-10-16 15:33:35 +00:00
t-vxworks introduce overridable clear_cache emitter 2020-12-02 22:10:32 -03:00
t-vxworks7 introduce overridable clear_cache emitter 2020-12-02 22:10:32 -03:00
t-vxworksae Update the libgcc support for VxWorks AE/653 2019-11-14 16:00:55 +00:00
unwind-dw2-fde-darwin.c Update copyright years. 2021-01-04 10:26:59 +01:00
vxcrtstuff.c Fix typo in macro name guarding conditional in vxcrtstuff.c 2019-12-30 21:11:22 +00:00