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35fa91eed8
The PLT code uses a separate .init.plt section to allocate PLT entries for jump and call instructions in __init code. However, even for fairly sizable modules like mac80211.ko, we only end up with a couple of PLT entries in the .init section, and so we can simplify the code significantly by emitting all PLT entries into the same section. Tested-by: Jongsung Kim <neidhard.kim@lge.com> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
#ifndef _ASM_ARM_MODULE_H
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#define _ASM_ARM_MODULE_H
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#include <asm-generic/module.h>
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struct unwind_table;
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#ifdef CONFIG_ARM_UNWIND
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enum {
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ARM_SEC_INIT,
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ARM_SEC_DEVINIT,
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ARM_SEC_CORE,
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ARM_SEC_EXIT,
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ARM_SEC_DEVEXIT,
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ARM_SEC_HOT,
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ARM_SEC_UNLIKELY,
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ARM_SEC_MAX,
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};
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#endif
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struct mod_arch_specific {
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#ifdef CONFIG_ARM_UNWIND
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struct unwind_table *unwind[ARM_SEC_MAX];
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#endif
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#ifdef CONFIG_ARM_MODULE_PLTS
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struct elf32_shdr *plt;
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int plt_count;
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#endif
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};
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u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val);
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/*
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* Add the ARM architecture version to the version magic string
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*/
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#define MODULE_ARCH_VERMAGIC_ARMVSN "ARMv" __stringify(__LINUX_ARM_ARCH__) " "
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/* Add __virt_to_phys patching state as well */
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#ifdef CONFIG_ARM_PATCH_PHYS_VIRT
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#define MODULE_ARCH_VERMAGIC_P2V "p2v8 "
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#else
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#define MODULE_ARCH_VERMAGIC_P2V ""
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#endif
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/* Add instruction set architecture tag to distinguish ARM/Thumb kernels */
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#ifdef CONFIG_THUMB2_KERNEL
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#define MODULE_ARCH_VERMAGIC_ARMTHUMB "thumb2 "
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#else
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#define MODULE_ARCH_VERMAGIC_ARMTHUMB ""
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#endif
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#define MODULE_ARCH_VERMAGIC \
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MODULE_ARCH_VERMAGIC_ARMVSN \
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MODULE_ARCH_VERMAGIC_ARMTHUMB \
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MODULE_ARCH_VERMAGIC_P2V
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#endif /* _ASM_ARM_MODULE_H */
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