From e0cad4e732222528e8ebc05921c1f49d0f9a952d Mon Sep 17 00:00:00 2001
From: Roman Telezhynskyi <kroluku@gmail.com>
Date: Sun, 20 Sep 2015 13:20:21 +0300
Subject: [PATCH] Fix for support win64.

--HG--
branch : develop
---
 src/libs/vmisc/debugbreak.h | 84 +++++++++++++++++++------------------
 1 file changed, 43 insertions(+), 41 deletions(-)

diff --git a/src/libs/vmisc/debugbreak.h b/src/libs/vmisc/debugbreak.h
index 914105e9d..22bd46d59 100644
--- a/src/libs/vmisc/debugbreak.h
+++ b/src/libs/vmisc/debugbreak.h
@@ -1,16 +1,16 @@
 /* Copyright (c) 2011-2015, Scott Tsai
- * 
+ *
  * All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
- * 
+ *
  * 1. Redistributions of source code must retain the above copyright notice,
  *    this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright notice,
  *    this list of conditions and the following disclaimer in the documentation
  *    and/or other materials provided with the distribution.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -40,9 +40,9 @@ extern "C" {
 #endif
 
 enum {
-	/* gcc optimizers consider code after __builtin_trap() dead.
-	 * Making __builtin_trap() unsuitable for breaking into the debugger */
-	DEBUG_BREAK_PREFER_BUILTIN_TRAP_TO_SIGTRAP = 0,
+    /* gcc optimizers consider code after __builtin_trap() dead.
+     * Making __builtin_trap() unsuitable for breaking into the debugger */
+    DEBUG_BREAK_PREFER_BUILTIN_TRAP_TO_SIGTRAP = 0,
 };
 
 #if defined(__i386__) || defined(__x86_64__)
@@ -50,7 +50,7 @@ enum { HAVE_TRAP_INSTRUCTION = 1, };
 __attribute__((gnu_inline, always_inline))
 static void __inline__ trap_instruction(void)
 {
-	__asm__ volatile("int $0x03");
+    __asm__ volatile("int $0x03");
 }
 #elif defined(__thumb__)
 enum { HAVE_TRAP_INSTRUCTION = 1, };
@@ -58,47 +58,47 @@ enum { HAVE_TRAP_INSTRUCTION = 1, };
 __attribute__((gnu_inline, always_inline))
 static void __inline__ trap_instruction(void)
 {
-	/* See 'arm-linux-tdep.c' in GDB source.
-	 * Both instruction sequences below work. */
+    /* See 'arm-linux-tdep.c' in GDB source.
+     * Both instruction sequences below work. */
 #if 1
-	/* 'eabi_linux_thumb_le_breakpoint' */
-	__asm__ volatile(".inst 0xde01");
+    /* 'eabi_linux_thumb_le_breakpoint' */
+    __asm__ volatile(".inst 0xde01");
 #else
-	/* 'eabi_linux_thumb2_le_breakpoint' */
-	__asm__ volatile(".inst.w 0xf7f0a000");
+    /* 'eabi_linux_thumb2_le_breakpoint' */
+    __asm__ volatile(".inst.w 0xf7f0a000");
 #endif
 
-	/* Known problem:
-	 * After a breakpoint hit, can't stepi, step, or continue in GDB.
-	 * 'step' stuck on the same instruction.
-	 *
-	 * Workaround: a new GDB command,
-	 * 'debugbreak-step' is defined in debugbreak-gdb.py
-	 * that does:
-	 * (gdb) set $instruction_len = 2
-	 * (gdb) tbreak *($pc + $instruction_len)
-	 * (gdb) jump   *($pc + $instruction_len)
-	 */
+    /* Known problem:
+     * After a breakpoint hit, can't stepi, step, or continue in GDB.
+     * 'step' stuck on the same instruction.
+     *
+     * Workaround: a new GDB command,
+     * 'debugbreak-step' is defined in debugbreak-gdb.py
+     * that does:
+     * (gdb) set $instruction_len = 2
+     * (gdb) tbreak *($pc + $instruction_len)
+     * (gdb) jump   *($pc + $instruction_len)
+     */
 }
 #elif defined(__arm__) && !defined(__thumb__)
 enum { HAVE_TRAP_INSTRUCTION = 1, };
 __attribute__((gnu_inline, always_inline))
 static void __inline__ trap_instruction(void)
 {
-	/* See 'arm-linux-tdep.c' in GDB source,
-	 * 'eabi_linux_arm_le_breakpoint' */
-	__asm__ volatile(".inst 0xe7f001f0");
-	/* Has same known problem and workaround
-	 * as Thumb mode */
+    /* See 'arm-linux-tdep.c' in GDB source,
+     * 'eabi_linux_arm_le_breakpoint' */
+    __asm__ volatile(".inst 0xe7f001f0");
+    /* Has same known problem and workaround
+     * as Thumb mode */
 }
 #elif defined(__aarch64__)
 enum { HAVE_TRAP_INSTRUCTION = 1, };
 __attribute__((gnu_inline, always_inline))
 static void __inline__ trap_instruction(void)
 {
-	/* See 'aarch64-tdep.c' in GDB source,
-	 * 'aarch64_default_breakpoint' */
-	__asm__ volatile(".inst 0xd4200000");
+    /* See 'aarch64-tdep.c' in GDB source,
+     * 'aarch64_default_breakpoint' */
+    __asm__ volatile(".inst 0xd4200000");
 }
 #else
 enum { HAVE_TRAP_INSTRUCTION = 0, };
@@ -107,15 +107,17 @@ enum { HAVE_TRAP_INSTRUCTION = 0, };
 __attribute__((gnu_inline, always_inline))
 static void __inline__ debug_break(void)
 {
-	if (HAVE_TRAP_INSTRUCTION) {
-		trap_instruction();
-	} else if (DEBUG_BREAK_PREFER_BUILTIN_TRAP_TO_SIGTRAP) {
-		 /* raises SIGILL on Linux x86{,-64}, to continue in gdb:
-		  * (gdb) handle SIGILL stop nopass
-		  * */
-		__builtin_trap();
+    if (HAVE_TRAP_INSTRUCTION) {
+        trap_instruction();
+    } else if (DEBUG_BREAK_PREFER_BUILTIN_TRAP_TO_SIGTRAP) {
+         /* raises SIGILL on Linux x86{,-64}, to continue in gdb:
+          * (gdb) handle SIGILL stop nopass
+          * */
+        __builtin_trap();
     } else {
-        #ifdef _WIN32
+        #if defined(_WIN32) || defined(_WIN64)
+        /* SIGTRAP available only on POSIX-compliant operating systems
+         * use builtin trap instead */
             __builtin_trap();
         #else
             raise(SIGTRAP);