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-rw-r--r--src/arch/arm/v7/opdefs/bl_A8825.d123
1 files changed, 54 insertions, 69 deletions
diff --git a/src/arch/arm/v7/opdefs/bl_A8825.d b/src/arch/arm/v7/opdefs/bl_A8825.d
index c2eb7bd..da0def4 100644
--- a/src/arch/arm/v7/opdefs/bl_A8825.d
+++ b/src/arch/arm/v7/opdefs/bl_A8825.d
@@ -2,7 +2,7 @@
/* Chrysalide - Outil d'analyse de fichiers binaires
* ##FILE## - traduction d'instructions ARMv7
*
- * Copyright (C) 2014 Cyrille Bagard
+ * Copyright (C) 2015 Cyrille Bagard
*
* This file is part of Chrysalide.
*
@@ -23,118 +23,103 @@
@title BL, BLX (immediate)
-@encoding(T1) {
+@desc Branch with Link calls a subroutine at a PC-relative address. Branch with Link and Exchange Instruction Sets (immediate) calls a subroutine at a PC-relative address, and changes instruction set from ARM to Thumb, or from Thumb to ARM.
- @word 1 1 1 1 0 S(1) imm10(10) 1 1 J1(1) 1 J2(1) imm11(11)
+@encoding (T1) {
- @syntax <imm32>
+ @word 1 1 1 1 0 S(1) imm10(10) 1 1 J1(1) 1 J2(1) imm11(11)
- @conv {
+ @syntax <imm32>
- I1 = NOT(J1 EOR S)
- I2 = NOT(J2 EOR S)
- imm32 = SignExtend(S:I1:I2:imm10:imm11:'0', S, 32)
+ @conv {
- }
+ I1 = NOT(J1 EOR S)
+ I2 = NOT(J2 EOR S)
+ imm32 = SignExtend(S:I1:I2:imm10:imm11:'0', S & 0x1, 32)
- @hooks {
+ }
- fetch = help_fetching_with_instruction_bl_from_thumb
- link = handle_call_as_link
- post = post_process_branch_and_link_instructions
+ @hooks {
- }
+ fetch = help_fetching_with_instruction_bl_from_thumb
+ link = handle_call_as_link
+ post = post_process_branch_and_link_instructions
- @rules {
-
- //chk_call SetInsFlag(AIF_RETURN_POINT)
-
- }
+ }
}
-@encoding(T2) {
-
- @word 1 1 1 1 0 S(1) imm10H(10) 1 1 J1(1) 0 J2(1) imm10L(10) H(1)
-
- @syntax "blx" <imm32>
-
- @conv {
+@encoding (T2) {
- I1 = NOT(J1 EOR S)
- I2 = NOT(J2 EOR S)
- imm32 = SignExtend(S:I1:I2:imm10H:imm10L:'00', S, 32)
+ @word 1 1 1 1 0 S(1) imm10H(10) 1 1 J1(1) 0 J2(1) imm10L(10) H(1)
- }
+ @syntax "blx" <imm32>
- @hooks {
+ @conv {
- fetch = help_fetching_with_instruction_blx_from_thumb
- link = handle_call_as_link
- post = post_process_branch_and_link_instructions
+ I1 = NOT(J1 EOR S)
+ I2 = NOT(J2 EOR S)
+ imm32 = SignExtend(S:I1:I2:imm10H:imm10L:'00', S & 0x1, 32)
- }
+ }
- @rules {
+ @hooks {
- //chk_call SetInsFlag(AIF_RETURN_POINT)
+ fetch = help_fetching_with_instruction_blx_from_thumb
+ link = handle_call_as_link
+ post = post_process_branch_and_link_instructions
- }
+ }
}
-@encoding(A1) {
+@encoding (A1) {
- @word cond(4) 1 0 1 1 imm24(24)
+ @word cond(4) 1 0 1 1 imm24(24)
- @syntax <imm32>
+ @syntax <imm32>
- @conv {
+ @conv {
- imm32 = SignExtend(imm24:'00', imm24 & 0x800000, 32)
+ imm32 = SignExtend(imm24:'00', imm24 & 0x800000, 32)
- }
+ }
- @hooks {
+ @rules {
- fetch = help_fetching_with_instruction_bl_from_arm
- link = handle_call_as_link
- post = post_process_branch_and_link_instructions
+ chk_call StoreCondition(cond)
- }
+ }
- @rules {
+ @hooks {
- //chk_call SetInsFlag(AIF_RETURN_POINT)
+ fetch = help_fetching_with_instruction_bl_from_arm
+ link = handle_call_as_link
+ post = post_process_branch_and_link_instructions
- }
+ }
}
-@encoding(A2) {
+@encoding (A2) {
- @word 1 1 1 1 1 0 1 H(1) imm24(24)
+ @word 1 1 1 1 1 0 1 H(1) imm24(24)
- @syntax "blx" <imm32>
+ @syntax "blx" <imm32>
- @conv {
+ @conv {
- imm32 = SignExtend(imm24:H:'0', imm24 & 0x800000, 32)
+ imm32 = SignExtend(imm24:H:'0', imm24 & 0x800000, 32)
- }
+ }
- @hooks {
+ @hooks {
- fetch = help_fetching_with_instruction_blx_from_arm
- link = handle_call_as_link
- post = post_process_branch_and_link_instructions
+ fetch = help_fetching_with_instruction_blx_from_arm
+ link = handle_call_as_link
+ post = post_process_branch_and_link_instructions
- }
-
- @rules {
-
- //chk_call SetInsFlag(AIF_RETURN_POINT)
-
- }
+ }
}
+