winedbg: Add ARM support.

programs/winedbg/Makefile.in

@@ -7,6 +7,7 @@ EXTRADEFS = -DWINE_NO_UNICODE_MACROS
 
 C_SRCS = \
 	be_alpha.c \
+	be_arm.c \
 	be_i386.c \
 	be_ppc.c \
 	be_sparc.c \

programs/winedbg/be_arm.c

+/*
+ * Debugger ARM specific functions
+ *
+ * Copyright 2000-2003 Marcus Meissner
+ *                2004 Eric Pouech
+ *                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 "debugger.h"
+
+#if defined(__arm__)
+
+static unsigned be_arm_get_addr(HANDLE hThread, const CONTEXT* ctx,
+                                enum be_cpu_addr bca, ADDRESS64* addr)
+{
+    switch (bca)
+    {
+    case be_cpu_addr_pc:
+        return be_cpu_build_addr(hThread, ctx, addr, 0, ctx->Pc);
+    case be_cpu_addr_stack:
+        return be_cpu_build_addr(hThread, ctx, addr, 0, ctx->Sp);
+    default:
+    case be_cpu_addr_frame:
+        dbg_printf("not done\n");
+    }
+    return FALSE;
+}
+
+static unsigned be_arm_get_register_info(int regno, enum be_cpu_addr* kind)
+{
+    dbg_printf("not done\n");
+    return FALSE;
+}
+
+static void be_arm_single_step(CONTEXT* ctx, unsigned enable)
+{
+    dbg_printf("not done\n");
+}
+
+static void be_arm_print_context(HANDLE hThread, const CONTEXT* ctx, int all_regs)
+{
+    dbg_printf("Context printing for arm not done yet\n");
+}
+
+static void be_arm_print_segment_info(HANDLE hThread, const CONTEXT* ctx)
+{
+}
+
+static struct dbg_internal_var be_arm_ctx[] =
+{
+    {0,                 NULL,           0,                                      dbg_itype_none}
+};
+
+static unsigned be_arm_is_step_over_insn(const void* insn)
+{
+    dbg_printf("not done\n");
+    return FALSE;
+}
+
+static unsigned be_arm_is_function_return(const void* insn)
+{
+    dbg_printf("not done\n");
+    return FALSE;
+}
+
+static unsigned be_arm_is_break_insn(const void* insn)
+{
+    dbg_printf("not done\n");
+    return FALSE;
+}
+
+static unsigned be_arm_is_func_call(const void* insn, ADDRESS64* callee)
+{
+    return FALSE;
+}
+
+static void be_arm_disasm_one_insn(ADDRESS64* addr, int display)
+{
+    dbg_printf("Disasm NIY\n");
+}
+
+static unsigned be_arm_insert_Xpoint(HANDLE hProcess, const struct be_process_io* pio,
+                                     CONTEXT* ctx, enum be_xpoint_type type,
+                                     void* addr, unsigned long* val, unsigned size)
+{
+    SIZE_T              sz;
+
+    switch (type)
+    {
+    case be_xpoint_break:
+        if (!size) return 0;
+        if (!pio->read(hProcess, addr, val, 4, &sz) || sz != 4) return 0;
+    default:
+        dbg_printf("Unknown/unsupported bp type %c\n", type);
+        return 0;
+    }
+    return 1;
+}
+
+static unsigned be_arm_remove_Xpoint(HANDLE hProcess, const struct be_process_io* pio,
+                                     CONTEXT* ctx, enum be_xpoint_type type,
+                                     void* addr, unsigned long val, unsigned size)
+{
+    SIZE_T              sz;
+
+    switch (type)
+    {
+    case be_xpoint_break:
+        if (!size) return 0;
+        if (!pio->write(hProcess, addr, &val, 4, &sz) || sz == 4) return 0;
+        break;
+    default:
+        dbg_printf("Unknown/unsupported bp type %c\n", type);
+        return 0;
+    }
+    return 1;
+}
+
+static unsigned be_arm_is_watchpoint_set(const CONTEXT* ctx, unsigned idx)
+{
+    dbg_printf("not done\n");
+    return FALSE;
+}
+
+static void be_arm_clear_watchpoint(CONTEXT* ctx, unsigned idx)
+{
+    dbg_printf("not done\n");
+}
+
+static int be_arm_adjust_pc_for_break(CONTEXT* ctx, BOOL way)
+{
+    dbg_printf("not done\n");
+    return 0;
+}
+
+static int be_arm_fetch_integer(const struct dbg_lvalue* lvalue, unsigned size,
+                                unsigned ext_sign, LONGLONG* ret)
+{
+    dbg_printf("not done\n");
+    return FALSE;
+}
+
+static int be_arm_fetch_float(const struct dbg_lvalue* lvalue, unsigned size,
+                              long double* ret)
+{
+    dbg_printf("not done\n");
+    return FALSE;
+}
+
+struct backend_cpu be_arm =
+{
+    IMAGE_FILE_MACHINE_ARM,
+    4,
+    be_cpu_linearize,
+    be_cpu_build_addr,
+    be_arm_get_addr,
+    be_arm_get_register_info,
+    be_arm_single_step,
+    be_arm_print_context,
+    be_arm_print_segment_info,
+    be_arm_ctx,
+    be_arm_is_step_over_insn,
+    be_arm_is_function_return,
+    be_arm_is_break_insn,
+    be_arm_is_func_call,
+    be_arm_disasm_one_insn,
+    be_arm_insert_Xpoint,
+    be_arm_remove_Xpoint,
+    be_arm_is_watchpoint_set,
+    be_arm_clear_watchpoint,
+    be_arm_adjust_pc_for_break,
+    be_arm_fetch_integer,
+    be_arm_fetch_float,
+};
+#endif

programs/winedbg/gdbproxy.c

@@ -426,6 +426,22 @@ static size_t cpu_register_map[] = {
     FIELD_OFFSET(CONTEXT, i6),
     FIELD_OFFSET(CONTEXT, i7),
 };
+#elif defined(__arm__)
+static size_t cpu_register_map[] = {
+    FIELD_OFFSET(CONTEXT, R0),
+    FIELD_OFFSET(CONTEXT, R1),
+    FIELD_OFFSET(CONTEXT, R2),
+    FIELD_OFFSET(CONTEXT, R3),
+    FIELD_OFFSET(CONTEXT, R4),
+    FIELD_OFFSET(CONTEXT, R5),
+    FIELD_OFFSET(CONTEXT, R6),
+    FIELD_OFFSET(CONTEXT, R7),
+    FIELD_OFFSET(CONTEXT, R8),
+    FIELD_OFFSET(CONTEXT, R9),
+    FIELD_OFFSET(CONTEXT, R10),
+    FIELD_OFFSET(CONTEXT, Fp),
+    FIELD_OFFSET(CONTEXT, Ip),
+};
 #else
 # error Define the registers map for your CPU
 #endif

programs/winedbg/winedbg.c

@@ -614,6 +614,8 @@ extern struct backend_cpu be_alpha;
 extern struct backend_cpu be_x86_64;
 #elif defined(__sparc__)
 extern struct backend_cpu be_sparc;
+#elif defined(__arm__)
+extern struct backend_cpu be_arm;
 #else
 # error CPU unknown
 #endif
@@ -634,6 +636,8 @@ int main(int argc, char** argv)
     be_cpu = &be_x86_64;
 #elif defined(__sparc__)
     be_cpu = &be_sparc;
+#elif defined(__arm__)
+    be_cpu = &be_arm;
 #else
 # error CPU unknown
 #endif