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| author | Peter Zijlstra <peterz@infradead.org> | 2022-09-15 13:11:09 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-10-17 16:41:07 +0200 |
| commit | 00abd38408127a57861698a8bffba65849de6bbd (patch) | |
| tree | 8da80c7419192aa166e4fec16639be4a4a7052e3 /arch/x86/kernel | |
| parent | objtool: Track init section (diff) | |
| download | linux-00abd38408127a57861698a8bffba65849de6bbd.tar.xz linux-00abd38408127a57861698a8bffba65849de6bbd.zip | |
objtool: Add .call_sites section
In preparation for call depth tracking provide a section which collects all
direct calls.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220915111146.016511961@infradead.org
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/vmlinux.lds.S | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index 0e9fc080c417..b69df9e013cc 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -291,6 +291,13 @@ SECTIONS *(.return_sites) __return_sites_end = .; } + + . = ALIGN(8); + .call_sites : AT(ADDR(.call_sites) - LOAD_OFFSET) { + __call_sites = .; + *(.call_sites) + __call_sites_end = .; + } #endif #ifdef CONFIG_X86_KERNEL_IBT |