9c88fb8df0
This patch adds address sanitizer module to the library and reserves a linker section representing the shadow region for ramstage. Also, it adds an instruction to initialize shadow region on x86 architecture when ramstage is loaded. Change-Id: Ica06bd2be78fcfc79fa888721ed920d4e8248f3b Signed-off-by: Harshit Sharma <harshitsharmajs@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/42496 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
113 lines
4.1 KiB
C
113 lines
4.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASAN_H
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#define __ASAN_H
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#define ASAN_SHADOW_SCALE_SHIFT 3
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#define ASAN_SHADOW_SCALE_SIZE (1UL << ASAN_SHADOW_SCALE_SHIFT)
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#define ASAN_SHADOW_MASK (ASAN_SHADOW_SCALE_SIZE - 1)
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#define ASAN_GLOBAL_REDZONE 0xFA
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#define ASAN_STACK_LEFT 0xF1
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#define ASAN_STACK_MID 0xF2
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#define ASAN_STACK_RIGHT 0xF3
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#define ASAN_STACK_PARTIAL 0xF4
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#define ASAN_USE_AFTER_SCOPE 0xF8
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#define _RET_IP_ ((unsigned long)__builtin_return_address(0))
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#define likely(x) __builtin_expect(!!(x), 1)
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#define unlikely(x) __builtin_expect(!!(x), 0)
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#define WARN_ON(condition) ({ \
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int __ret_warn_on = !!(condition); \
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unlikely(__ret_warn_on); \
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})
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#ifndef ASAN_ABI_VERSION
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#define ASAN_ABI_VERSION 5
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#endif
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/* The layout of struct dictated by compiler */
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struct asan_source_location {
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const char *filename;
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int line_no;
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int column_no;
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};
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/* The layout of struct dictated by compiler */
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struct asan_global {
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const void *beg; /* Address of the beginning of the global variable. */
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size_t size; /* Size of the global variable. */
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size_t size_with_redzone; /* Size of the variable + size of the red zone
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32 bytes aligned. */
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const void *name;
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const void *module_name; /* Name of the module where the global variable
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is declared. */
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unsigned long has_dynamic_init; /* This needed for C++. */
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#if ASAN_ABI_VERSION >= 4
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struct asan_source_location *location;
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#endif
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#if ASAN_ABI_VERSION >= 5
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char *odr_indicator;
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#endif
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};
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void asan_unpoison_shadow(const void *address, size_t size);
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void asan_report(unsigned long addr, size_t size, bool is_write,
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unsigned long ip);
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void asan_init(void);
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uintptr_t __asan_shadow_offset(uintptr_t addr);
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void __asan_register_globals(struct asan_global *globals, size_t size);
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void __asan_unregister_globals(struct asan_global *globals, size_t size);
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void __asan_poison_stack_memory(const void *addr, size_t size);
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void __asan_unpoison_stack_memory(const void *addr, size_t size);
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void __asan_load1(unsigned long addr);
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void __asan_store1(unsigned long addr);
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void __asan_load2(unsigned long addr);
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void __asan_store2(unsigned long addr);
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void __asan_load4(unsigned long addr);
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void __asan_store4(unsigned long addr);
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void __asan_load8(unsigned long addr);
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void __asan_store8(unsigned long addr);
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void __asan_load16(unsigned long addr);
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void __asan_store16(unsigned long addr);
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void __asan_loadN(unsigned long addr, size_t size);
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void __asan_storeN(unsigned long addr, size_t size);
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void __asan_load1_noabort(unsigned long addr);
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void __asan_store1_noabort(unsigned long addr);
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void __asan_load2_noabort(unsigned long addr);
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void __asan_store2_noabort(unsigned long addr);
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void __asan_load4_noabort(unsigned long addr);
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void __asan_store4_noabort(unsigned long addr);
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void __asan_load8_noabort(unsigned long addr);
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void __asan_store8_noabort(unsigned long addr);
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void __asan_load16_noabort(unsigned long addr);
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void __asan_store16_noabort(unsigned long addr);
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void __asan_loadN_noabort(unsigned long addr, size_t size);
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void __asan_storeN_noabort(unsigned long addr, size_t size);
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void __asan_handle_no_return(void);
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void __asan_set_shadow_00(const void *addr, size_t size);
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void __asan_set_shadow_f1(const void *addr, size_t size);
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void __asan_set_shadow_f2(const void *addr, size_t size);
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void __asan_set_shadow_f3(const void *addr, size_t size);
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void __asan_set_shadow_f5(const void *addr, size_t size);
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void __asan_set_shadow_f8(const void *addr, size_t size);
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void __asan_report_load1_noabort(unsigned long addr);
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void __asan_report_store1_noabort(unsigned long addr);
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void __asan_report_load2_noabort(unsigned long addr);
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void __asan_report_store2_noabort(unsigned long addr);
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void __asan_report_load4_noabort(unsigned long addr);
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void __asan_report_store4_noabort(unsigned long addr);
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void __asan_report_load8_noabort(unsigned long addr);
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void __asan_report_store8_noabort(unsigned long addr);
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void __asan_report_load16_noabort(unsigned long addr);
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void __asan_report_store16_noabort(unsigned long addr);
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void __asan_report_load_n_noabort(unsigned long addr, size_t size);
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void __asan_report_store_n_noabort(unsigned long addr, size_t size);
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#endif
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