| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _ASM_ARM_MODULE_H |
| 3 | #define _ASM_ARM_MODULE_H |
| 4 | |
| 5 | #include <asm-generic/module.h> |
| 6 | |
| 7 | struct unwind_table; |
| 8 | |
| 9 | #ifdef CONFIG_ARM_UNWIND |
| 10 | enum { |
| 11 | ARM_SEC_INIT, |
| 12 | ARM_SEC_DEVINIT, |
| 13 | ARM_SEC_CORE, |
| 14 | ARM_SEC_EXIT, |
| 15 | ARM_SEC_DEVEXIT, |
| 16 | ARM_SEC_HOT, |
| 17 | ARM_SEC_UNLIKELY, |
| 18 | ARM_SEC_MAX, |
| 19 | }; |
| 20 | #endif |
| 21 | |
| 22 | struct mod_plt_sec { |
| 23 | struct elf32_shdr *plt; |
| 24 | int plt_count; |
| 25 | }; |
| 26 | |
| 27 | struct mod_arch_specific { |
| 28 | #ifdef CONFIG_ARM_UNWIND |
| 29 | struct unwind_table *unwind[ARM_SEC_MAX]; |
| 30 | #endif |
| 31 | #ifdef CONFIG_ARM_MODULE_PLTS |
| 32 | struct mod_plt_sec core; |
| 33 | struct mod_plt_sec init; |
| 34 | #endif |
| 35 | }; |
| 36 | |
| 37 | struct module; |
| 38 | u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val); |
| 39 | |
| 40 | /* |
| 41 | * Add the ARM architecture version to the version magic string |
| 42 | */ |
| 43 | #define MODULE_ARCH_VERMAGIC_ARMVSN "ARMv" __stringify(__LINUX_ARM_ARCH__) " " |
| 44 | |
| 45 | /* Add __virt_to_phys patching state as well */ |
| 46 | #ifdef CONFIG_ARM_PATCH_PHYS_VIRT |
| 47 | #define MODULE_ARCH_VERMAGIC_P2V "p2v8 " |
| 48 | #else |
| 49 | #define MODULE_ARCH_VERMAGIC_P2V "" |
| 50 | #endif |
| 51 | |
| 52 | /* Add instruction set architecture tag to distinguish ARM/Thumb kernels */ |
| 53 | #ifdef CONFIG_THUMB2_KERNEL |
| 54 | #define MODULE_ARCH_VERMAGIC_ARMTHUMB "thumb2 " |
| 55 | #else |
| 56 | #define MODULE_ARCH_VERMAGIC_ARMTHUMB "" |
| 57 | #endif |
| 58 | |
| 59 | #define MODULE_ARCH_VERMAGIC \ |
| 60 | MODULE_ARCH_VERMAGIC_ARMVSN \ |
| 61 | MODULE_ARCH_VERMAGIC_ARMTHUMB \ |
| 62 | MODULE_ARCH_VERMAGIC_P2V |
| 63 | |
| 64 | #endif /* _ASM_ARM_MODULE_H */ |