all integer code assume CPU of debuggee encode integers: - little endian - 2 complement for signed integers
so remove methods related to integer storage from CPU backends (they're all the same anyway)
Signed-off-by: Eric Pouech eric.pouech@gmail.com
--- programs/winedbg/be_arm.c | 30 ------------------------------ programs/winedbg/be_arm64.c | 30 ------------------------------ programs/winedbg/be_cpu.h | 4 ---- programs/winedbg/be_i386.c | 30 ------------------------------ programs/winedbg/be_x86_64.c | 30 ------------------------------ programs/winedbg/debugger.h | 3 +++ programs/winedbg/memory.c | 40 ++++++++++++++++++++++++++++++++++------ programs/winedbg/types.c | 15 +++++++-------- 8 files changed, 44 insertions(+), 138 deletions(-)
diff --git a/programs/winedbg/be_arm.c b/programs/winedbg/be_arm.c index 435dad2e3cc..02f72e9c789 100644 --- a/programs/winedbg/be_arm.c +++ b/programs/winedbg/be_arm.c @@ -1831,27 +1831,6 @@ static int be_arm_adjust_pc_for_break(dbg_ctx_t *ctx, BOOL way) return step; }
-static BOOL be_arm_fetch_integer(const struct dbg_lvalue* lvalue, unsigned size, - BOOL is_signed, LONGLONG* ret) -{ - /* size must fit in ret and be a power of two */ - if (size > sizeof(*ret) || (size & (size - 1))) 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 (is_signed && size < 8 && (*ret >> (size * 8 - 1)) != 0) - { - ULONGLONG neg = -1; - *ret |= neg << (size * 8); - } - return TRUE; -} - static BOOL be_arm_fetch_float(const struct dbg_lvalue* lvalue, unsigned size, double *ret) { char tmp[sizeof(double)]; @@ -1869,13 +1848,6 @@ static BOOL be_arm_fetch_float(const struct dbg_lvalue* lvalue, unsigned size, d return TRUE; }
-static BOOL be_arm_store_integer(const struct dbg_lvalue* lvalue, unsigned size, - BOOL is_signed, LONGLONG val) -{ - /* this is simple if we're on a little endian CPU */ - return memory_write_value(lvalue, size, &val); -} - static BOOL be_arm_get_context(HANDLE thread, dbg_ctx_t *ctx) { ctx->ctx.ContextFlags = CONTEXT_ALL; @@ -1932,9 +1904,7 @@ struct backend_cpu be_arm = be_arm_is_watchpoint_set, be_arm_clear_watchpoint, be_arm_adjust_pc_for_break, - be_arm_fetch_integer, be_arm_fetch_float, - be_arm_store_integer, be_arm_get_context, be_arm_set_context, be_arm_gdb_register_map, diff --git a/programs/winedbg/be_arm64.c b/programs/winedbg/be_arm64.c index 39f17c7d67d..8ca54e6c461 100644 --- a/programs/winedbg/be_arm64.c +++ b/programs/winedbg/be_arm64.c @@ -228,27 +228,6 @@ static int be_arm64_adjust_pc_for_break(dbg_ctx_t *ctx, BOOL way) return 4; }
-static BOOL be_arm64_fetch_integer(const struct dbg_lvalue* lvalue, unsigned size, - BOOL is_signed, LONGLONG* ret) -{ - /* size must fit in ret and be a power of two */ - if (size > sizeof(*ret) || (size & (size - 1))) 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 (is_signed && size < 8 && (*ret >> (size * 8 - 1)) != 0) - { - ULONGLONG neg = -1; - *ret |= neg << (size * 8); - } - return TRUE; -} - static BOOL be_arm64_fetch_float(const struct dbg_lvalue* lvalue, unsigned size, double *ret) { char tmp[sizeof(double)]; @@ -266,13 +245,6 @@ static BOOL be_arm64_fetch_float(const struct dbg_lvalue* lvalue, unsigned size, return TRUE; }
-static BOOL be_arm64_store_integer(const struct dbg_lvalue* lvalue, unsigned size, - BOOL is_signed, LONGLONG val) -{ - /* this is simple if we're on a little endian CPU */ - return memory_write_value(lvalue, size, &val); -} - void be_arm64_disasm_one_insn(ADDRESS64 *addr, int display) { dbg_printf("be_arm64_disasm_one_insn: not done\n"); @@ -351,9 +323,7 @@ struct backend_cpu be_arm64 = be_arm64_is_watchpoint_set, be_arm64_clear_watchpoint, be_arm64_adjust_pc_for_break, - be_arm64_fetch_integer, be_arm64_fetch_float, - be_arm64_store_integer, be_arm64_get_context, be_arm64_set_context, be_arm64_gdb_register_map, diff --git a/programs/winedbg/be_cpu.h b/programs/winedbg/be_cpu.h index 14746d6665b..69e3e148f75 100644 --- a/programs/winedbg/be_cpu.h +++ b/programs/winedbg/be_cpu.h @@ -118,12 +118,8 @@ struct backend_cpu /* ------------------------------------------------------------------------------- * basic type read/write * -------------------------------------------------------------------------------*/ - /* Reads an integer from memory and stores it inside a long long int */ - BOOL (*fetch_integer)(const struct dbg_lvalue* lvalue, unsigned size, BOOL is_signed, LONGLONG*); /* Reads a real from memory and stores it inside a long double */ BOOL (*fetch_float)(const struct dbg_lvalue* lvalue, unsigned size, double*); - /* Writes an integer to memory */ - BOOL (*store_integer)(const struct dbg_lvalue* lvalue, unsigned size, BOOL is_signed, LONGLONG);
BOOL (*get_context)(HANDLE thread, dbg_ctx_t *ctx); BOOL (*set_context)(HANDLE thread, const dbg_ctx_t *ctx); diff --git a/programs/winedbg/be_i386.c b/programs/winedbg/be_i386.c index 8902185d0b0..9b3c615092c 100644 --- a/programs/winedbg/be_i386.c +++ b/programs/winedbg/be_i386.c @@ -777,27 +777,6 @@ static int be_i386_adjust_pc_for_break(dbg_ctx_t *ctx, BOOL way) return 1; }
-static BOOL be_i386_fetch_integer(const struct dbg_lvalue* lvalue, unsigned size, - BOOL is_signed, LONGLONG* ret) -{ - /* size must fit in ret and be a power of two */ - if (size > sizeof(*ret) || (size & (size - 1))) 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 (is_signed && size < 8 && (*ret >> (size * 8 - 1)) != 0) - { - ULONGLONG neg = -1; - *ret |= neg << (size * 8); - } - return TRUE; -} - static BOOL be_i386_fetch_float(const struct dbg_lvalue* lvalue, unsigned size, double *ret) { char tmp[sizeof(double)]; @@ -815,13 +794,6 @@ static BOOL be_i386_fetch_float(const struct dbg_lvalue* lvalue, unsigned size, return TRUE; }
-static BOOL be_i386_store_integer(const struct dbg_lvalue* lvalue, unsigned size, - BOOL is_signed, LONGLONG val) -{ - /* this is simple as we're on a little endian CPU */ - return memory_write_value(lvalue, size, &val); -} - static BOOL be_i386_get_context(HANDLE thread, dbg_ctx_t *ctx) { ctx->x86.ContextFlags = WOW64_CONTEXT_ALL; @@ -903,9 +875,7 @@ struct backend_cpu be_i386 = be_i386_is_watchpoint_set, be_i386_clear_watchpoint, be_i386_adjust_pc_for_break, - be_i386_fetch_integer, be_i386_fetch_float, - be_i386_store_integer, be_i386_get_context, be_i386_set_context, be_i386_gdb_register_map, diff --git a/programs/winedbg/be_x86_64.c b/programs/winedbg/be_x86_64.c index af9f7284685..169a31a584d 100644 --- a/programs/winedbg/be_x86_64.c +++ b/programs/winedbg/be_x86_64.c @@ -699,27 +699,6 @@ static int be_x86_64_adjust_pc_for_break(dbg_ctx_t *ctx, BOOL way) return 1; }
-static BOOL be_x86_64_fetch_integer(const struct dbg_lvalue* lvalue, unsigned size, - BOOL is_signed, LONGLONG* ret) -{ - /* size must fit in ret and be a power of two */ - if (size > sizeof(*ret) || (size & (size - 1))) 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 (is_signed && size < sizeof(*ret) && (*ret >> (size * 8 - 1)) != 0) - { - ULONGLONG neg = -1; - *ret |= neg << (size * 8); - } - return TRUE; -} - static BOOL be_x86_64_fetch_float(const struct dbg_lvalue* lvalue, unsigned size, double *ret) { char tmp[sizeof(double)]; @@ -737,13 +716,6 @@ static BOOL be_x86_64_fetch_float(const struct dbg_lvalue* lvalue, unsigned size return TRUE; }
-static BOOL be_x86_64_store_integer(const struct dbg_lvalue* lvalue, unsigned size, - BOOL is_signed, LONGLONG val) -{ - /* this is simple as we're on a little endian CPU */ - return memory_write_value(lvalue, size, &val); -} - static BOOL be_x86_64_get_context(HANDLE thread, dbg_ctx_t *ctx) { ctx->ctx.ContextFlags = CONTEXT_ALL; @@ -841,9 +813,7 @@ struct backend_cpu be_x86_64 = be_x86_64_is_watchpoint_set, be_x86_64_clear_watchpoint, be_x86_64_adjust_pc_for_break, - be_x86_64_fetch_integer, be_x86_64_fetch_float, - be_x86_64_store_integer, be_x86_64_get_context, be_x86_64_set_context, be_x86_64_gdb_register_map, diff --git a/programs/winedbg/debugger.h b/programs/winedbg/debugger.h index 8c909361a58..9952e1425f3 100644 --- a/programs/winedbg/debugger.h +++ b/programs/winedbg/debugger.h @@ -378,6 +378,9 @@ extern void info_wine_dbg_channel(BOOL add, const char* chnl, const /* memory.c */ extern BOOL memory_read_value(const struct dbg_lvalue* lvalue, DWORD size, void* result); extern BOOL memory_write_value(const struct dbg_lvalue* val, DWORD size, void* value); +extern BOOL memory_fetch_integer(const struct dbg_lvalue* lvalue, unsigned size, + BOOL is_signed, dbg_lgint_t* ret); +extern BOOL memory_store_integer(const struct dbg_lvalue* lvalue, dbg_lgint_t val); extern void memory_examine(const struct dbg_lvalue *lvalue, int count, char format); extern void* memory_to_linear_addr(const ADDRESS64* address); extern BOOL memory_get_current_pc(ADDRESS64* address); diff --git a/programs/winedbg/memory.c b/programs/winedbg/memory.c index b666b077077..4fb62e9e9d5 100644 --- a/programs/winedbg/memory.c +++ b/programs/winedbg/memory.c @@ -231,6 +231,34 @@ void memory_examine(const struct dbg_lvalue *lvalue, int count, char format) } }
+BOOL memory_fetch_integer(const struct dbg_lvalue* lvalue, unsigned size, + BOOL is_signed, dbg_lgint_t* ret) +{ + /* size must fit in ret and be a power of two */ + if (size > sizeof(*ret) || (size & (size - 1))) return FALSE; + + /* we are on little endian CPU */ + memset(ret, 0, sizeof(*ret)); /* clear unread bytes */ + if (!memory_read_value(lvalue, size, ret)) return FALSE; + + /* propagate sign information */ + if (is_signed && size < 8 && (*ret >> (size * 8 - 1)) != 0) + { + dbg_lguint_t neg = -1; + *ret |= neg << (size * 8); + } + return TRUE; +} + +BOOL memory_store_integer(const struct dbg_lvalue* lvalue, dbg_lgint_t val) +{ + DWORD64 size; + if (!types_get_info(&lvalue->type, TI_GET_LENGTH, &size)) return FALSE; + /* this is simple if we're on a little endian CPU */ + return memory_write_value(lvalue, (unsigned)size, &val); +} + + BOOL memory_get_string(struct dbg_process* pcs, void* addr, BOOL in_debuggee, BOOL unicode, char* buffer, int size) { @@ -343,7 +371,7 @@ static void dbg_print_hex(DWORD size, ULONGLONG sv)
static void print_typed_basic(const struct dbg_lvalue* lvalue) { - LONGLONG val_int; + dbg_lgint_t val_int; void* val_ptr; double val_real; DWORD64 size64; @@ -369,13 +397,13 @@ static void print_typed_basic(const struct dbg_lvalue* lvalue) { case btInt: case btLong: - if (!dbg_curr_process->be_cpu->fetch_integer(lvalue, size, TRUE, &val_int)) return; + if (!memory_fetch_integer(lvalue, size, TRUE, &val_int)) return; if (size == 1) goto print_char; dbg_print_hex(size, val_int); break; case btUInt: case btULong: - if (!dbg_curr_process->be_cpu->fetch_integer(lvalue, size, FALSE, &val_int)) return; + if (!memory_fetch_integer(lvalue, size, FALSE, &val_int)) return; dbg_print_hex(size, val_int); break; case btFloat: @@ -387,7 +415,7 @@ static void print_typed_basic(const struct dbg_lvalue* lvalue) /* sometimes WCHAR is defined as btChar with size = 2, so discrimate * Ansi/Unicode based on size, not on basetype */ - if (!dbg_curr_process->be_cpu->fetch_integer(lvalue, size, TRUE, &val_int)) return; + if (!memory_fetch_integer(lvalue, size, TRUE, &val_int)) return; print_char: if ((size == 1 && isprint((char)val_int)) || (size == 2 && val_int < 127 && isprint((char)val_int))) @@ -396,7 +424,7 @@ static void print_typed_basic(const struct dbg_lvalue* lvalue) dbg_printf("%d", (int)val_int); break; case btBool: - if (!dbg_curr_process->be_cpu->fetch_integer(lvalue, size, TRUE, &val_int)) return; + if (!memory_fetch_integer(lvalue, size, TRUE, &val_int)) return; dbg_printf("%s", val_int ? "true" : "false"); break; default: @@ -441,7 +469,7 @@ static void print_typed_basic(const struct dbg_lvalue* lvalue) BOOL ok = FALSE;
if (!types_get_info(&type, TI_GET_LENGTH, &size64) || - !dbg_curr_process->be_cpu->fetch_integer(lvalue, size64, TRUE, &val_int)) return; + !memory_fetch_integer(lvalue, size64, TRUE, &val_int)) return;
if (types_get_info(&type, TI_GET_CHILDRENCOUNT, &count)) { diff --git a/programs/winedbg/types.c b/programs/winedbg/types.c index 3d8f7e7a140..1df20252f11 100644 --- a/programs/winedbg/types.c +++ b/programs/winedbg/types.c @@ -91,11 +91,11 @@ dbg_lgint_t types_extract_as_longlong(const struct dbg_lvalue* lvalue, { case btChar: case btInt: - if (!dbg_curr_process->be_cpu->fetch_integer(lvalue, (unsigned)size, s = TRUE, &rtn)) + if (!memory_fetch_integer(lvalue, (unsigned)size, s = TRUE, &rtn)) RaiseException(DEBUG_STATUS_INTERNAL_ERROR, 0, 0, NULL); break; case btUInt: - if (!dbg_curr_process->be_cpu->fetch_integer(lvalue, (unsigned)size, s = FALSE, &rtn)) + if (!memory_fetch_integer(lvalue, (unsigned)size, s = FALSE, &rtn)) RaiseException(DEBUG_STATUS_INTERNAL_ERROR, 0, 0, NULL); break; case btFloat: @@ -106,17 +106,17 @@ dbg_lgint_t types_extract_as_longlong(const struct dbg_lvalue* lvalue, break; case SymTagPointerType: if (!types_get_info(&type, TI_GET_LENGTH, &size) || - !dbg_curr_process->be_cpu->fetch_integer(lvalue, (unsigned)size, s = FALSE, &rtn)) + !memory_fetch_integer(lvalue, (unsigned)size, s = FALSE, &rtn)) RaiseException(DEBUG_STATUS_INTERNAL_ERROR, 0, 0, NULL); break; case SymTagArrayType: case SymTagUDT: - if (!dbg_curr_process->be_cpu->fetch_integer(lvalue, sizeof(unsigned), s = FALSE, &rtn)) + if (!memory_fetch_integer(lvalue, sizeof(unsigned), s = FALSE, &rtn)) RaiseException(DEBUG_STATUS_INTERNAL_ERROR, 0, 0, NULL); break; case SymTagEnum: if (!types_get_info(&type, TI_GET_LENGTH, &size) || - !dbg_curr_process->be_cpu->fetch_integer(lvalue, (unsigned)size, s = FALSE, &rtn)) + !memory_fetch_integer(lvalue, (unsigned)size, s = FALSE, &rtn)) RaiseException(DEBUG_STATUS_INTERNAL_ERROR, 0, 0, NULL); break; case SymTagFunctionType: @@ -163,7 +163,6 @@ BOOL types_store_value(struct dbg_lvalue* lvalue_to, const struct dbg_lvalue* lv { dbg_lgint_t val; DWORD64 size; - BOOL is_signed;
if (!types_get_info(&lvalue_to->type, TI_GET_LENGTH, &size)) return FALSE; if (sizeof(val) < size) @@ -172,8 +171,8 @@ BOOL types_store_value(struct dbg_lvalue* lvalue_to, const struct dbg_lvalue* lv return FALSE; } /* FIXME: should support floats as well */ - val = types_extract_as_longlong(lvalue_from, NULL, &is_signed); - return dbg_curr_process->be_cpu->store_integer(lvalue_to, size, is_signed, val); + val = types_extract_as_integer(lvalue_from); + return memory_store_integer(lvalue_to, val); }
/******************************************************************