Peter Zijlstra 5a9c361a41 objtool: Allow STT_NOTYPE -> STT_FUNC+0 sibling-calls ...

Teach objtool about STT_NOTYPE -> STT_FUNC+0 sibling calls. Doing do
allows slightly simpler .S files.

There is a slight complication in that we specifically do not want to
allow sibling calls from symbol holes (previously covered by STT_WEAK
symbols) -- such things exist where a weak function has a .cold
subfunction for example.

Additionally, STT_NOTYPE tail-calls are allowed to happen with a
modified stack frame, they don't need to obey the normal rules after
all.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>

2022-10-17 16:41:09 +02:00

..

arch/x86

objtool: Allow !PC relative relocations

2022-10-17 16:41:06 +02:00

Documentation

objtool: Update documentation

2022-04-22 12:32:05 +02:00

include/objtool

objtool: Rework instruction -> symbol mapping

2022-10-17 16:41:08 +02:00

.gitignore

objtool: Rework header include paths

2021-01-13 18:13:14 -06:00

Build

objtool: Ditch subcommands

2022-04-22 12:32:01 +02:00

builtin-check.c

objtool: Add --hacks=skylake

2022-10-17 16:41:07 +02:00

check.c

objtool: Allow STT_NOTYPE -> STT_FUNC+0 sibling-calls

2022-10-17 16:41:09 +02:00

elf.c

objtool: Fix find_{symbol,func}_containing()

2022-10-17 16:41:08 +02:00

Makefile

Merge tag 'kbuild-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

2022-05-26 12:09:50 -07:00

objtool.c

objtool: Add .call_sites section

2022-10-17 16:41:07 +02:00

orc_dump.c

x86/unwind/orc: Change REG_SP_INDIRECT

2021-02-10 20:53:51 +01:00

orc_gen.c

Merge branch 'objtool/urgent'

2021-10-07 00:40:17 +02:00

special.c

objtool,x86: Replace alternatives with .retpoline_sites

2021-10-28 23:25:25 +02:00

sync-check.sh

Merge branch 'x86/cpu' into WIP.x86/core, to merge the NOP changes & resolve a semantic conflict

2021-04-02 12:36:30 +02:00

weak.c

objtool: Ditch subcommands

2022-04-22 12:32:01 +02:00