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-rw-r--r--src/include/asan.h113
-rw-r--r--src/include/symbols.h6
2 files changed, 119 insertions, 0 deletions
diff --git a/src/include/asan.h b/src/include/asan.h
new file mode 100644
index 0000000000..8816eafbf4
--- /dev/null
+++ b/src/include/asan.h
@@ -0,0 +1,113 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __ASAN_H
+#define __ASAN_H
+
+#define ASAN_SHADOW_SCALE_SHIFT 3
+
+#define ASAN_SHADOW_SCALE_SIZE (1UL << ASAN_SHADOW_SCALE_SHIFT)
+#define ASAN_SHADOW_MASK (ASAN_SHADOW_SCALE_SIZE - 1)
+
+#define ASAN_GLOBAL_REDZONE 0xFA
+#define ASAN_STACK_LEFT 0xF1
+#define ASAN_STACK_MID 0xF2
+#define ASAN_STACK_RIGHT 0xF3
+#define ASAN_STACK_PARTIAL 0xF4
+#define ASAN_USE_AFTER_SCOPE 0xF8
+
+#define _RET_IP_ ((unsigned long)__builtin_return_address(0))
+#define likely(x) __builtin_expect(!!(x), 1)
+#define unlikely(x) __builtin_expect(!!(x), 0)
+
+#define WARN_ON(condition) ({ \
+ int __ret_warn_on = !!(condition); \
+ unlikely(__ret_warn_on); \
+})
+
+#ifndef ASAN_ABI_VERSION
+#define ASAN_ABI_VERSION 5
+#endif
+
+/* The layout of struct dictated by compiler */
+struct asan_source_location {
+ const char *filename;
+ int line_no;
+ int column_no;
+};
+
+/* The layout of struct dictated by compiler */
+struct asan_global {
+ const void *beg; /* Address of the beginning of the global variable. */
+ size_t size; /* Size of the global variable. */
+ size_t size_with_redzone; /* Size of the variable + size of the red zone
+ 32 bytes aligned. */
+ const void *name;
+ const void *module_name; /* Name of the module where the global variable
+ is declared. */
+ unsigned long has_dynamic_init; /* This needed for C++. */
+#if ASAN_ABI_VERSION >= 4
+ struct asan_source_location *location;
+#endif
+#if ASAN_ABI_VERSION >= 5
+ char *odr_indicator;
+#endif
+};
+
+void asan_unpoison_shadow(const void *address, size_t size);
+void asan_report(unsigned long addr, size_t size, bool is_write,
+ unsigned long ip);
+void asan_init(void);
+
+uintptr_t __asan_shadow_offset(uintptr_t addr);
+void __asan_register_globals(struct asan_global *globals, size_t size);
+void __asan_unregister_globals(struct asan_global *globals, size_t size);
+void __asan_poison_stack_memory(const void *addr, size_t size);
+void __asan_unpoison_stack_memory(const void *addr, size_t size);
+
+void __asan_load1(unsigned long addr);
+void __asan_store1(unsigned long addr);
+void __asan_load2(unsigned long addr);
+void __asan_store2(unsigned long addr);
+void __asan_load4(unsigned long addr);
+void __asan_store4(unsigned long addr);
+void __asan_load8(unsigned long addr);
+void __asan_store8(unsigned long addr);
+void __asan_load16(unsigned long addr);
+void __asan_store16(unsigned long addr);
+void __asan_loadN(unsigned long addr, size_t size);
+void __asan_storeN(unsigned long addr, size_t size);
+
+void __asan_load1_noabort(unsigned long addr);
+void __asan_store1_noabort(unsigned long addr);
+void __asan_load2_noabort(unsigned long addr);
+void __asan_store2_noabort(unsigned long addr);
+void __asan_load4_noabort(unsigned long addr);
+void __asan_store4_noabort(unsigned long addr);
+void __asan_load8_noabort(unsigned long addr);
+void __asan_store8_noabort(unsigned long addr);
+void __asan_load16_noabort(unsigned long addr);
+void __asan_store16_noabort(unsigned long addr);
+void __asan_loadN_noabort(unsigned long addr, size_t size);
+void __asan_storeN_noabort(unsigned long addr, size_t size);
+void __asan_handle_no_return(void);
+
+void __asan_set_shadow_00(const void *addr, size_t size);
+void __asan_set_shadow_f1(const void *addr, size_t size);
+void __asan_set_shadow_f2(const void *addr, size_t size);
+void __asan_set_shadow_f3(const void *addr, size_t size);
+void __asan_set_shadow_f5(const void *addr, size_t size);
+void __asan_set_shadow_f8(const void *addr, size_t size);
+
+void __asan_report_load1_noabort(unsigned long addr);
+void __asan_report_store1_noabort(unsigned long addr);
+void __asan_report_load2_noabort(unsigned long addr);
+void __asan_report_store2_noabort(unsigned long addr);
+void __asan_report_load4_noabort(unsigned long addr);
+void __asan_report_store4_noabort(unsigned long addr);
+void __asan_report_load8_noabort(unsigned long addr);
+void __asan_report_store8_noabort(unsigned long addr);
+void __asan_report_load16_noabort(unsigned long addr);
+void __asan_report_store16_noabort(unsigned long addr);
+void __asan_report_load_n_noabort(unsigned long addr, size_t size);
+void __asan_report_store_n_noabort(unsigned long addr, size_t size);
+#endif
diff --git a/src/include/symbols.h b/src/include/symbols.h
index f84672ed22..2fbb449122 100644
--- a/src/include/symbols.h
+++ b/src/include/symbols.h
@@ -24,6 +24,12 @@ DECLARE_REGION(cbfs_cache)
DECLARE_REGION(fmap_cache)
DECLARE_REGION(tpm_tcpa_log)
+#if CONFIG(ASAN_IN_RAMSTAGE)
+DECLARE_REGION(data)
+DECLARE_REGION(heap)
+DECLARE_REGION(asan_shadow)
+#endif
+
/* Regions for execution units. */
DECLARE_REGION(payload)