From 66bd9f17e9467b1eb5d6b2098b02241f03f8bbf6 Mon Sep 17 00:00:00 2001
From: comex
Date: Tue, 15 Nov 2016 21:57:23 -0500
Subject: fix some ARM stuff including calls, and test it

wow this code sucks
---
 test/test-transform-dis.c        |  2 +-
 test/transform-dis-cases-arm.S   | 15 +++++++++++++++
 test/transform-dis-cases-arm64.S |  9 +++++----
 test/transform-dis-cases-i386.S  | 10 ++++------
 test/transform-dis-cases.h       |  4 ++++
 5 files changed, 29 insertions(+), 11 deletions(-)
 create mode 100644 test/transform-dis-cases-arm.S
 create mode 100644 test/transform-dis-cases.h

(limited to 'test')

diff --git a/test/test-transform-dis.c b/test/test-transform-dis.c
index 98c98e3..d147a49 100644
--- a/test/test-transform-dis.c
+++ b/test/test-transform-dis.c
@@ -127,7 +127,7 @@ static void do_auto(uint8_t *in, size_t in_size, struct arch_dis_ctx arch) {
             pc_trampoline,
             &arch,
             offsets,
-            TRANSFORM_DIS_BAN_CALLS);
+            0);//TRANSFORM_DIS_BAN_CALLS);
         if (ret) {
             if (expect_err) {
                 printf("OK\n");
diff --git a/test/transform-dis-cases-arm.S b/test/transform-dis-cases-arm.S
new file mode 100644
index 0000000..a9e01b1
--- /dev/null
+++ b/test/transform-dis-cases-arm.S
@@ -0,0 +1,15 @@
+#include "transform-dis-cases.h"
+#ifdef THUMB
+.thumb
+#endif
+
+
+#ifndef THUMB
+GIVEN blne 0f; nop; nop; 0:
+EXPECT beq 1f; movw lr, #0x000c; movt lr, #0xdead; blx lr; 1: nop; nop
+GIVEN bl 0f; 0:
+EXPECT movw lr, #0x0004; movt lr, #0xdead; blx lr
+#else
+GIVEN bl 0f; 0:
+EXPECT movw lr, #0x0005; movt lr, #0xdead; blx lr
+#endif
diff --git a/test/transform-dis-cases-arm64.S b/test/transform-dis-cases-arm64.S
index cc3bd4c..99a353b 100644
--- a/test/transform-dis-cases-arm64.S
+++ b/test/transform-dis-cases-arm64.S
@@ -1,6 +1,4 @@
-#define GIVEN .ascii "GIVEN";
-#define EXPECT .ascii "EXPECT";
-#define EXPECT_ERR .ascii "EXPECT_ERR";
+#include "transform-dis-cases.h"
 
 /* yay clang, no semicolons allowed */
 
@@ -12,7 +10,10 @@ EXPECT
 GIVEN
     blr x5
     nop
-EXPECT_ERR
+//EXPECT_ERR (with ban_calls)
+EXPECT
+    blr x5
+
 
 GIVEN
     cbnz x8, .+0x100
diff --git a/test/transform-dis-cases-i386.S b/test/transform-dis-cases-i386.S
index c02a044..a39ee02 100644
--- a/test/transform-dis-cases-i386.S
+++ b/test/transform-dis-cases-i386.S
@@ -1,6 +1,4 @@
-#define GIVEN .ascii "GIVEN";
-#define EXPECT .ascii "EXPECT";
-#define EXPECT_ERR .ascii "EXPECT_ERR";
+#include "transform-dis-cases.h"
 
 GIVEN call 0f; 0: pop %edx
 /* XXX the extra push isn't necessary in 32-bit mode */
@@ -10,9 +8,9 @@ GIVEN jmp 0f; 0: nop
 EXPECT_ERR
 
 GIVEN jne .+0x1000
-/* we expect to generate an unnecessarily long jump, so hardcode it the 0x10000
- * is because we pretend our trampoline is 0x10000 bytes before the original
- * function */
+/* we expect to generate an unnecessarily long jump, so hardcode it
+ * the 0x10000 is because we pretend our trampoline is 0x10000 bytes before the
+ * original function */
 EXPECT 2: .byte 0x0f, 0x85; .long 2; jmp 1f; 0: jmp .+0x10000+0x1000-8; 1:
 
 GIVEN loopne .+0x80
diff --git a/test/transform-dis-cases.h b/test/transform-dis-cases.h
new file mode 100644
index 0000000..94f39bd
--- /dev/null
+++ b/test/transform-dis-cases.h
@@ -0,0 +1,4 @@
+#pragma once
+#define GIVEN .ascii "GIVEN";
+#define EXPECT .ascii "EXPECT";
+#define EXPECT_ERR .ascii "EXPECT_ERR";
-- 
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