Commit 35ac9abc authored by swift_gan's avatar swift_gan

arm32 trampoline demo

parent cef1dcc7
...@@ -4,7 +4,7 @@ ...@@ -4,7 +4,7 @@
#define Reg0 r12 #define Reg0 r12
//need restore //need restore
#define Reg1 x11 #define Reg1 r11
#define RegMethod r0 #define RegMethod r0
FUNCTION_START(REPLACEMENT_HOOK_TRAMPOLINE) FUNCTION_START(REPLACEMENT_HOOK_TRAMPOLINE)
...@@ -19,7 +19,7 @@ offset_entry_code: ...@@ -19,7 +19,7 @@ offset_entry_code:
FUNCTION_END(REPLACEMENT_HOOK_TRAMPOLINE) FUNCTION_END(REPLACEMENT_HOOK_TRAMPOLINE)
#define SIZE_JUMP 0x8 #define SIZE_JUMP #0x8
FUNCTION_START(DIRECT_JUMP_TRAMPOLINE) FUNCTION_START(DIRECT_JUMP_TRAMPOLINE)
ldr pc, addr_target ldr pc, addr_target
addr_target: addr_target:
...@@ -29,13 +29,38 @@ FUNCTION_END(DIRECT_JUMP_TRAMPOLINE) ...@@ -29,13 +29,38 @@ FUNCTION_END(DIRECT_JUMP_TRAMPOLINE)
FUNCTION_START(INLINE_HOOK_TRAMPOLINE) FUNCTION_START(INLINE_HOOK_TRAMPOLINE)
ldr Reg0, addr_origin_art_method
cmp RegMethod, Reg0
bne origin_code
ldr RegMethod, addr_hook_art_method
ldr Reg0, offset_entry_code2
add Reg0, RegMethod, Reg0
ldr pc, [Reg0]
origin_code:
.long 0
.long 0
ldr Reg0, addr_origin_art_method
ldr Reg1, offset_entry_code2
add Reg1, Reg0, Reg1
ldr Reg1, [Reg1]
add pc, Reg1, SIZE_JUMP
addr_origin_art_method:
.long 0
offset_entry_code2:
.long 0
addr_hook_art_method:
.long 0
FUNCTION_END(INLINE_HOOK_TRAMPOLINE) FUNCTION_END(INLINE_HOOK_TRAMPOLINE)
FUNCTION_START(CALL_ORIGIN_TRAMPOLINE) FUNCTION_START(CALL_ORIGIN_TRAMPOLINE)
ldr RegMethod, origin_art_method
ldr pc, addr_origin
origin_art_method:
.long 0
addr_origin:
.long 0
FUNCTION_END(CALL_ORIGIN_TRAMPOLINE) FUNCTION_END(CALL_ORIGIN_TRAMPOLINE)
#endif #endif
\ No newline at end of file
...@@ -53,6 +53,10 @@ ...@@ -53,6 +53,10 @@
#define OFFSET_INLINE_ORIGIN_CODE 4 * 12 #define OFFSET_INLINE_ORIGIN_CODE 4 * 12
#define OFFSET_INLINE_OFFSET_ENTRY_CODE 4 * 20 #define OFFSET_INLINE_OFFSET_ENTRY_CODE 4 * 20
#define OFFSET_INLINE_ADDR_HOOK_METHOD 4 * 22 #define OFFSET_INLINE_ADDR_HOOK_METHOD 4 * 22
#define SIZE_CALL_ORIGIN_TRAMPOLINE 4 * 7
#define OFFSET_CALL_ORIGIN_ART_METHOD 4 * 3
#define OFFSET_CALL_ORIGIN_JUMP_ADDR 4 * 5
#elif defined(__aarch64__) #elif defined(__aarch64__)
#define SIZE_REPLACEMENT_HOOK_TRAMPOLINE 4 * 9 #define SIZE_REPLACEMENT_HOOK_TRAMPOLINE 4 * 9
#define OFFSET_REPLACEMENT_ADDR_ART_METHOD 4 * 5 #define OFFSET_REPLACEMENT_ADDR_ART_METHOD 4 * 5
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment