André Hentschel : winedbg: Copy the x86 implementation of fetch_integer for ARM.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: ac3ed42601f24e9bc79629f34ee8204cb7684738
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=ac3ed42601f24e9bc79629f34e...

Author: André Hentschel 
Date:   Tue Apr 26 23:11:06 2011 +0200

winedbg: Copy the x86 implementation of fetch_integer for ARM.

---

programs/winedbg/be_arm.c |   17 +++++++++++++++--
 1 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/programs/winedbg/be_arm.c b/programs/winedbg/be_arm.c
index 0379bd9..f34ecc7 100644
--- a/programs/winedbg/be_arm.c
+++ b/programs/winedbg/be_arm.c
@@ -191,8 +191,21 @@ static int be_arm_adjust_pc_for_break(CONTEXT* ctx, BOOL way)
 static int be_arm_fetch_integer(const struct dbg_lvalue* lvalue, unsigned size,
                                 unsigned ext_sign, LONGLONG* ret)
 {
-    dbg_printf("be_arm_fetch_integer: not done\n");
-    return FALSE;
+    if (size != 1 && size != 2 && size != 4 && size != 8) return FALSE;
+
+    memset(ret, 0, sizeof(*ret)); /* clear unread bytes */
+    /* FIXME: this assumes that debuggee and debugger use the same
+     * integral representation
+     */
+    if (!memory_read_value(lvalue, size, ret)) return FALSE;
+
+    /* propagate sign information */
+    if (ext_sign && size < 8 && (*ret >> (size * 8 - 1)) != 0)
+    {
+        ULONGLONG neg = -1;
+        *ret |= neg << (size * 8);
+    }
+    return TRUE;
 }

static int be_arm_fetch_float(const struct dbg_lvalue* lvalue, unsigned size,