From 9a1103112e633b301b927e99fec70b7b475c968e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Hentschel?= <webmaster@dawncrow.de>
Date: Sat, 18 Sep 2010 18:02:28 +0200
Subject: [PATCH] dbghelp: Add ARM support.

---
 dlls/dbghelp/Makefile.in |  1 +
 dlls/dbghelp/cpu_arm.c   | 79 ++++++++++++++++++++++++++++++++++++++++
 dlls/dbghelp/dbghelp.c   |  6 ++-
 3 files changed, 84 insertions(+), 2 deletions(-)
 create mode 100644 dlls/dbghelp/cpu_arm.c

diff --git a/dlls/dbghelp/Makefile.in b/dlls/dbghelp/Makefile.in
index 95ed2af083e..7c4f73ad980 100644
--- a/dlls/dbghelp/Makefile.in
+++ b/dlls/dbghelp/Makefile.in
@@ -6,6 +6,7 @@ DELAYIMPORTS = version
 
 C_SRCS = \
 	coff.c \
+	cpu_arm.c \
 	cpu_i386.c \
 	cpu_ppc.c \
 	cpu_sparc.c \
diff --git a/dlls/dbghelp/cpu_arm.c b/dlls/dbghelp/cpu_arm.c
new file mode 100644
index 00000000000..0bd8aadbae9
--- /dev/null
+++ b/dlls/dbghelp/cpu_arm.c
@@ -0,0 +1,79 @@
+/*
+ * File cpu_arm.c
+ *
+ * Copyright (C) 2009-2009, Eric Pouech
+ * Copyright (C) 2010, André Hentschel
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <assert.h>
+
+#include "ntstatus.h"
+#define WIN32_NO_STATUS
+#include "dbghelp_private.h"
+#include "winternl.h"
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
+
+static unsigned arm_get_addr(HANDLE hThread, const CONTEXT* ctx,
+                             enum cpu_addr ca, ADDRESS64* addr)
+{
+   switch (ca)
+    {
+    case cpu_addr_pc:
+    case cpu_addr_stack:
+    case cpu_addr_frame:
+    default:
+         FIXME("not done for ARM\n");
+    }
+    return FALSE;
+}
+
+static BOOL arm_stack_walk(struct cpu_stack_walk* csw, LPSTACKFRAME64 frame, CONTEXT* context)
+{
+    FIXME("not done for ARM\n");
+    return FALSE;
+}
+
+static unsigned arm_map_dwarf_register(unsigned regno)
+{
+    FIXME("not done for ARM\n");
+    return 0;
+}
+
+static void* arm_fetch_context_reg(CONTEXT* ctx, unsigned regno, unsigned* size)
+{
+    FIXME("not done for ARM\n");
+    return NULL;
+}
+
+static const char* arm_fetch_regname(unsigned regno)
+{
+    FIXME("Unknown register %x\n", regno);
+    return NULL;
+}
+
+struct cpu cpu_arm = {
+    IMAGE_FILE_MACHINE_ARM,
+    4,
+    arm_get_addr,
+    arm_stack_walk,
+    NULL,
+    arm_map_dwarf_register,
+    arm_fetch_context_reg,
+    arm_fetch_regname,
+};
diff --git a/dlls/dbghelp/dbghelp.c b/dlls/dbghelp/dbghelp.c
index fe7d892ba1b..bd4a9cbfa59 100644
--- a/dlls/dbghelp/dbghelp.c
+++ b/dlls/dbghelp/dbghelp.c
@@ -151,9 +151,9 @@ const char* wine_dbgstr_addr(const ADDRESS64* addr)
     }
 }
 
-extern struct cpu       cpu_i386, cpu_x86_64, cpu_ppc, cpu_sparc;
+extern struct cpu       cpu_i386, cpu_x86_64, cpu_ppc, cpu_sparc, cpu_arm;
 
-static struct cpu*      dbghelp_cpus[] = {&cpu_i386, &cpu_x86_64, &cpu_ppc, &cpu_sparc, NULL};
+static struct cpu*      dbghelp_cpus[] = {&cpu_i386, &cpu_x86_64, &cpu_ppc, &cpu_sparc, &cpu_arm, NULL};
 struct cpu*             dbghelp_current_cpu =
 #if defined(__i386__)
     &cpu_i386
@@ -163,6 +163,8 @@ struct cpu*             dbghelp_current_cpu =
     &cpu_ppc
 #elif defined(__sparc__)
     &cpu_sparc
+#elif defined(__arm__)
+    &cpu_arm
 #else
 #error define support for your CPU
 #endif