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winedbg: Add ARM support.

oldstable
André Hentschel 2010-09-18 18:02:38 +02:00 committed by Alexandre Julliard
parent 9a1103112e
commit 09e6a41435
4 changed files with 210 additions and 0 deletions
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1
programs/winedbg/Makefile.in
View File

@ -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 \

189
programs/winedbg/be_arm.c 100644
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@ -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

16
programs/winedbg/gdbproxy.c
View File

@ -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

4
programs/winedbg/winedbg.c
View File

@ -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