André Hentschel : winedbg: Add ARM support.
Alexandre Julliard
julliard at winehq.org
Mon Sep 20 12:12:18 CDT 2010
Module: wine
Branch: master
Commit: 09e6a4143518c4c55d74b4d5798bb606efa4b7c2
URL: http://source.winehq.org/git/wine.git/?a=commit;h=09e6a4143518c4c55d74b4d5798bb606efa4b7c2
Author: André Hentschel <webmaster at dawncrow.de>
Date: Sat Sep 18 18:02:38 2010 +0200
winedbg: Add ARM support.
---
programs/winedbg/Makefile.in | 1 +
programs/winedbg/be_arm.c | 189 ++++++++++++++++++++++++++++++++++++++++++
programs/winedbg/gdbproxy.c | 16 ++++
programs/winedbg/winedbg.c | 4 +
4 files changed, 210 insertions(+), 0 deletions(-)
diff --git a/programs/winedbg/Makefile.in b/programs/winedbg/Makefile.in
index 0f21926..a669721 100644
--- a/programs/winedbg/Makefile.in
+++ b/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 \
diff --git a/programs/winedbg/be_arm.c b/programs/winedbg/be_arm.c
new file mode 100644
index 0000000..f81f14d
--- /dev/null
+++ b/programs/winedbg/be_arm.c
@@ -0,0 +1,189 @@
+/*
+ * 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
diff --git a/programs/winedbg/gdbproxy.c b/programs/winedbg/gdbproxy.c
index bb2cdbe..3c86950 100644
--- a/programs/winedbg/gdbproxy.c
+++ b/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
diff --git a/programs/winedbg/winedbg.c b/programs/winedbg/winedbg.c
index aeef795..a649123 100644
--- a/programs/winedbg/winedbg.c
+++ b/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
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