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| author | Phil Carmody <ext-phil.2.carmody@nokia.com> | 2010-08-19 16:19:04 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-09-02 16:31:35 +0200 |
| commit | 09e56a2d076c2afb2a1932ae4283e10ef2d26ef3 (patch) | |
| tree | e09b4b469af8ebfac601520d81f98b1b274dda84 /arch/arm/kernel/module.c | |
| parent | ARM: 6339/1: module - simplify unwind table handling (diff) | |
| download | linux-09e56a2d076c2afb2a1932ae4283e10ef2d26ef3.tar.xz linux-09e56a2d076c2afb2a1932ae4283e10ef2d26ef3.zip | |
ARM: 6340/1: module - additional unwind tables for exit/devexit sections
Without these, exit functions cannot be stack-traced, so to speak.
This implies that module unloads that perform allocations (don't
laugh) will cause noisy warnings on the console when kmemleak is
enabled, as it presumes that all code's call chains are traceable.
Similarly, BUGs and WARN_ONs will give additional console spam.
Signed-off-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/module.c')
| -rw-r--r-- | arch/arm/kernel/module.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index 0aa622e84b24..d9bd786ce23d 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -80,12 +80,20 @@ int module_frob_arch_sections(Elf_Ehdr *hdr, maps[ARM_SEC_DEVINIT].unw_sec = s; else if (strcmp(".ARM.exidx", secname) == 0) maps[ARM_SEC_CORE].unw_sec = s; + else if (strcmp(".ARM.exidx.exit.text", secname) == 0) + maps[ARM_SEC_EXIT].unw_sec = s; + else if (strcmp(".ARM.exidx.devexit.text", secname) == 0) + maps[ARM_SEC_DEVEXIT].unw_sec = s; else if (strcmp(".init.text", secname) == 0) maps[ARM_SEC_INIT].sec_text = s; else if (strcmp(".devinit.text", secname) == 0) maps[ARM_SEC_DEVINIT].sec_text = s; else if (strcmp(".text", secname) == 0) maps[ARM_SEC_CORE].sec_text = s; + else if (strcmp(".exit.text", secname) == 0) + maps[ARM_SEC_EXIT].sec_text = s; + else if (strcmp(".devexit.text", secname) == 0) + maps[ARM_SEC_DEVEXIT].sec_text = s; } #endif return 0; |