//--------------------------------------------------------------------------
bool pc_debmod_t::should_stop_appcall(thid_t tid, const debug_event_t *event, ea_t ea)
{
if ( inherited::should_stop_appcall(tid, event, ea) )
return true;
// Check if the current instruction is a "RET" and then dereferences
// the contents of SP to find the return address. IF it matches, it is
// time to stop
regvals_t regs;
regs.resize(X86_NREGS);
do
{
// Start by reading registers
if ( dbg_read_registers(tid, X86_RC_GENERAL, regs.begin()) != 1 )
break;
// Get the opcodes
uchar opcode;
if ( dbg_read_memory((ea_t)regs[X86_REG_IP].ival, &opcode, 1) != 1 )
break;
// Check for "RET" and "RET n"
if ( opcode != 0xC3 && opcode != 0xC2 )
break;
// Dereference value at ESP
ea_t at_sp = BADADDR;
if ( dbg_read_memory((ea_t)regs[X86_REG_SP].ival, &at_sp, sizeof(at_sp)) != sizeof(at_sp) )
break;
return ea == at_sp; // time to stop!
} while ( false );
return false;
}
void read_memory(struct drpc_packet *pkt, char *buf)
{
void *addr;
int size;
int rc;
addr = *(void **) (buf + 8);
size = *(int *) (buf + 16);
rc = dbg_read_memory(session, addr, size, buf);
if (rc < 0) pkt->result = E_FAIL;
*(int *) (buf + ((size + 3) / 4) * 4) = size;
}
BOOL memory_disasm_one_insn(ADDRESS64* addr)
{
char ch;
print_address(addr, TRUE);
dbg_printf(": ");
if (!dbg_read_memory(memory_to_linear_addr(addr), &ch, sizeof(ch)))
{
dbg_printf("-- no code accessible --\n");
return FALSE;
}
be_cpu->disasm_one_insn(addr, TRUE);
dbg_printf("\n");
return TRUE;
}
//--------------------------------------------------------------------------
// determine the future bpt size and read the original instruction from memory.
// if necessary, the bpt address may be adjusted.
// return the number of read bytes.
// this function is overloaded in arm debugger subclasses.
int debmod_t::read_bpt_orgbytes(ea_t *p_ea, int *p_len, uchar *buf, int bufsize)
{
int len = *p_len;
if ( (debugger_flags & DBG_FLAG_CAN_CONT_BPT) == 0 )
{ // we must save the original bytes before adding the bpt
QASSERT(30017, bufsize >= len);
if ( dbg_read_memory(*p_ea, buf, len) <= 0 )
return -1;
}
else
{ // if the debuger can itself continue from bpts,
// orgbytes will not be used by the kernel. however
// we must return something because non-empty orgbytes mean
// that a soft bpt is active. we return zeroes in b->orgbytes.
}
return len;
}
/***********************************************************************
* get_watched_value
*
* Returns the value watched by watch point 'num'.
*/
static BOOL get_watched_value(int num, DWORD64* val)
{
DWORD64 buf[1];
if (!dbg_read_memory(memory_to_linear_addr(&dbg_curr_process->bp[num].addr),
buf, dbg_curr_process->bp[num].w.len + 1))
return FALSE;
switch (dbg_curr_process->bp[num].w.len + 1)
{
case 8: *val = *(DWORD64*)buf; break;
case 4: *val = *(DWORD*)buf; break;
case 2: *val = *(WORD*)buf; break;
case 1: *val = *(BYTE*)buf; break;
default: RaiseException(DEBUG_STATUS_INTERNAL_ERROR, 0, 0, NULL);
}
return TRUE;
}
/***********************************************************************
* memory_read_value
*
* Read a memory value.
*/
BOOL memory_read_value(const struct dbg_lvalue* lvalue, DWORD size, void* result)
{
BOOL ret = FALSE;
if (lvalue->cookie == DLV_TARGET)
{
void* linear = memory_to_linear_addr(&lvalue->addr);
if (!(ret = dbg_read_memory(linear, result, size)))
memory_report_invalid_addr(linear);
}
else
{
if (lvalue->addr.Offset)
{
memcpy(result, (void*)(DWORD_PTR)lvalue->addr.Offset, size);
ret = TRUE;
}
}
return TRUE;
}
/***********************************************************************
* break_add_break
*
* Add a breakpoint.
*/
BOOL break_add_break(const ADDRESS64* addr, BOOL verbose, BOOL swbp)
{
int num;
BYTE ch;
struct dbg_breakpoint* bp = dbg_curr_process->bp;
int type = swbp ? be_xpoint_break : be_xpoint_watch_exec;
if ((num = find_xpoint(addr, type)) >= 1)
{
bp[num].refcount++;
dbg_printf("Breakpoint %d at ", num);
print_address(&bp[num].addr, TRUE);
dbg_printf(" (refcount=%d)\n", bp[num].refcount);
return TRUE;
}
if (!dbg_read_memory(memory_to_linear_addr(addr), &ch, sizeof(ch)))
{
if (verbose)
{
dbg_printf("Invalid address ");
print_bare_address(addr);
dbg_printf(", can't set breakpoint\n");
}
return FALSE;
}
if ((num = init_xpoint(type, addr)) == -1)
return FALSE;
dbg_printf("Breakpoint %d at ", num);
print_address(&bp[num].addr, TRUE);
dbg_printf("\n");
return TRUE;
}
static DWORD dbg_handle_exception(const EXCEPTION_RECORD* rec, BOOL first_chance)
{
BOOL is_debug = FALSE;
THREADNAME_INFO* pThreadName;
struct dbg_thread* pThread;
assert(dbg_curr_thread);
WINE_TRACE("exception=%x first_chance=%c\n",
rec->ExceptionCode, first_chance ? 'Y' : 'N');
switch (rec->ExceptionCode)
{
case EXCEPTION_BREAKPOINT:
case EXCEPTION_SINGLE_STEP:
is_debug = TRUE;
break;
case EXCEPTION_NAME_THREAD:
pThreadName = (THREADNAME_INFO*)(rec->ExceptionInformation);
if (pThreadName->dwThreadID == -1)
pThread = dbg_curr_thread;
else
pThread = dbg_get_thread(dbg_curr_process, pThreadName->dwThreadID);
if(!pThread)
{
dbg_printf("Thread ID=%04x not in our list of threads -> can't rename\n", pThreadName->dwThreadID);
return DBG_CONTINUE;
}
if (dbg_read_memory(pThreadName->szName, pThread->name, 9))
dbg_printf("Thread ID=%04x renamed using MS VC6 extension (name==\"%s\")\n",
pThread->tid, pThread->name);
return DBG_CONTINUE;
}
if (first_chance && !is_debug && !DBG_IVAR(BreakOnFirstChance) &&
!(rec->ExceptionFlags & EH_STACK_INVALID))
{
/* pass exception to program except for debug exceptions */
return DBG_EXCEPTION_NOT_HANDLED;
}
if (!is_debug)
{
/* print some infos */
dbg_printf("%s: ",
first_chance ? "First chance exception" : "Unhandled exception");
switch (rec->ExceptionCode)
{
case EXCEPTION_INT_DIVIDE_BY_ZERO:
dbg_printf("divide by zero");
break;
case EXCEPTION_INT_OVERFLOW:
dbg_printf("overflow");
break;
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
dbg_printf("array bounds");
break;
case EXCEPTION_ILLEGAL_INSTRUCTION:
dbg_printf("illegal instruction");
break;
case EXCEPTION_STACK_OVERFLOW:
dbg_printf("stack overflow");
break;
case EXCEPTION_PRIV_INSTRUCTION:
dbg_printf("privileged instruction");
break;
case EXCEPTION_ACCESS_VIOLATION:
if (rec->NumberParameters == 2)
dbg_printf("page fault on %s access to 0x%08lx",
rec->ExceptionInformation[0] == EXCEPTION_WRITE_FAULT ? "write" :
rec->ExceptionInformation[0] == EXCEPTION_EXECUTE_FAULT ? "execute" : "read",
rec->ExceptionInformation[1]);
else
dbg_printf("page fault");
break;
case EXCEPTION_DATATYPE_MISALIGNMENT:
dbg_printf("Alignment");
break;
case DBG_CONTROL_C:
dbg_printf("^C");
break;
case CONTROL_C_EXIT:
dbg_printf("^C");
break;
case STATUS_POSSIBLE_DEADLOCK:
{
ADDRESS64 addr;
addr.Mode = AddrModeFlat;
addr.Offset = rec->ExceptionInformation[0];
dbg_printf("wait failed on critical section ");
print_address(&addr, FALSE);
}
if (!DBG_IVAR(BreakOnCritSectTimeOut))
{
dbg_printf("\n");
return DBG_EXCEPTION_NOT_HANDLED;
}
break;
case EXCEPTION_WINE_STUB:
{
char dll[32], name[64];
memory_get_string(dbg_curr_process,
(void*)rec->ExceptionInformation[0], TRUE, FALSE,
dll, sizeof(dll));
if (HIWORD(rec->ExceptionInformation[1]))
memory_get_string(dbg_curr_process,
(void*)rec->ExceptionInformation[1], TRUE, FALSE,
name, sizeof(name));
else
sprintf( name, "%ld", rec->ExceptionInformation[1] );
dbg_printf("unimplemented function %s.%s called", dll, name);
}
break;
case EXCEPTION_WINE_ASSERTION:
dbg_printf("assertion failed");
break;
case EXCEPTION_VM86_INTx:
dbg_printf("interrupt %02lx in vm86 mode", rec->ExceptionInformation[0]);
break;
case EXCEPTION_VM86_STI:
dbg_printf("sti in vm86 mode");
break;
case EXCEPTION_VM86_PICRETURN:
dbg_printf("PIC return in vm86 mode");
break;
case EXCEPTION_FLT_DENORMAL_OPERAND:
dbg_printf("denormal float operand");
break;
case EXCEPTION_FLT_DIVIDE_BY_ZERO:
dbg_printf("divide by zero");
break;
case EXCEPTION_FLT_INEXACT_RESULT:
dbg_printf("inexact float result");
break;
case EXCEPTION_FLT_INVALID_OPERATION:
dbg_printf("invalid float operation");
break;
case EXCEPTION_FLT_OVERFLOW:
dbg_printf("floating point overflow");
break;
case EXCEPTION_FLT_UNDERFLOW:
dbg_printf("floating point underflow");
break;
case EXCEPTION_FLT_STACK_CHECK:
dbg_printf("floating point stack check");
break;
case CXX_EXCEPTION:
if(rec->NumberParameters == 3 && rec->ExceptionInformation[0] == CXX_FRAME_MAGIC)
dbg_printf("C++ exception(object = 0x%08lx, type = 0x%08lx)",
rec->ExceptionInformation[1], rec->ExceptionInformation[2]);
else
dbg_printf("C++ exception with strange parameter count %d or magic 0x%08lx",
rec->NumberParameters, rec->ExceptionInformation[0]);
break;
default:
dbg_printf("0x%08x", rec->ExceptionCode);
break;
}
}
if( (rec->ExceptionFlags & EH_STACK_INVALID) ) {
dbg_printf( ", invalid program stack" );
}
if (dbg_exception_prolog(is_debug, first_chance, rec))
{
dbg_interactiveP = TRUE;
return 0;
}
dbg_exception_epilog();
return DBG_CONTINUE;
}
/***********************************************************************
* memory_examine
*
* Implementation of the 'x' command.
*/
void memory_examine(const struct dbg_lvalue *lvalue, int count, char format)
{
int i;
char buffer[256];
ADDRESS64 addr;
void *linear;
types_extract_as_address(lvalue, &addr);
linear = memory_to_linear_addr(&addr);
if (format != 'i' && count > 1)
{
print_address(&addr, FALSE);
dbg_printf(": ");
}
switch (format)
{
case 'u':
if (count == 1) count = 256;
memory_get_string(dbg_curr_process, linear,
TRUE, TRUE, buffer, min(count, sizeof(buffer)));
dbg_printf("%s\n", buffer);
return;
case 's':
if (count == 1) count = 256;
memory_get_string(dbg_curr_process, linear,
TRUE, FALSE, buffer, min(count, sizeof(buffer)));
dbg_printf("%s\n", buffer);
return;
case 'i':
while (count-- && memory_disasm_one_insn(&addr));
return;
case 'g':
while (count--)
{
GUID guid;
if (!dbg_read_memory(linear, &guid, sizeof(guid)))
{
memory_report_invalid_addr(linear);
break;
}
dbg_printf("{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\n",
guid.Data1, guid.Data2, guid.Data3,
guid.Data4[0], guid.Data4[1], guid.Data4[2], guid.Data4[3],
guid.Data4[4], guid.Data4[5], guid.Data4[6], guid.Data4[7]);
linear = (char*)linear + sizeof(guid);
addr.Offset += sizeof(guid);
if (count)
{
print_address(&addr, FALSE);
dbg_printf(": ");
}
}
return;
#define DO_DUMP2(_t,_l,_f,_vv) { \
_t _v; \
for (i = 0; i < count; i++) { \
if (!dbg_read_memory(linear, &_v, sizeof(_t))) \
{ memory_report_invalid_addr(linear); break; } \
dbg_printf(_f, (_vv)); \
addr.Offset += sizeof(_t); \
linear = (char*)linear + sizeof(_t); \
if ((i % (_l)) == (_l) - 1 && i != count - 1) \
{ \
dbg_printf("\n"); \
print_address(&addr, FALSE); \
dbg_printf(": "); \
} \
} \
dbg_printf("\n"); \
} \
return
#define DO_DUMP(_t,_l,_f) DO_DUMP2(_t,_l,_f,_v)
case 'x': DO_DUMP(int, 4, " %8.8x");
case 'd': DO_DUMP(unsigned int, 4, " %10d");
case 'w': DO_DUMP(unsigned short, 8, " %04x");
case 'c': DO_DUMP2(char, 32, " %c", (_v < 0x20) ? ' ' : _v);
case 'b': DO_DUMP2(char, 16, " %02x", (_v) & 0xff);
}
}
//--------------------------------------------------------------------------
int idaapi debmod_t::dbg_update_bpts(
update_bpt_info_t *bpts,
int nadd,
int ndel)
{
// Write breakpoints to the process
int cnt = 0;
update_bpt_info_t *b;
update_bpt_info_t *end = bpts + nadd;
for ( b=bpts; b != end; b++ )
{
int code = b->code;
if ( code != BPT_OK )
continue;
uchar len;
char buf[32];
int nread = 0;
ea_t ea = b->ea;
if ( b->type == BPT_SOFT )
{
len = bpt_code.size();
#ifdef __ARM__
if ( (ea & 1) != 0 ) // T bit is set, use a thumb breakpoint
{
ea--;
len = 2;
}
#endif
nread = len;
if ( (debugger_flags & DBG_FLAG_CAN_CONT_BPT) == 0 )
{ // we must save the original bytes before adding the bpt
QASSERT(30017, sizeof(buf) >= len);
if ( dbg_read_memory(ea, buf, len) <= 0 )
code = BPT_READ_ERROR;
}
}
else
{
len = b->size;
}
if ( code == BPT_OK )
code = dbg_add_bpt(b->type, ea, len) ? BPT_OK : BPT_WRITE_ERROR;
b->code = code;
if ( code == BPT_OK )
{
cnt++;
if ( nread > 0 )
b->orgbytes = bytevec_t(buf, nread);
}
}
// Delete breakpoints from the process.
end += ndel;
for ( ; b != end; b++ )
{
b->code = BPT_OK;
int len = b->type == BPT_SOFT ? b->orgbytes.size() : b->size;
if ( dbg_del_bpt(b->type, b->ea, b->orgbytes.begin(), len) > 0 )
cnt++;
else
b->code = BPT_WRITE_ERROR;
}
return cnt;
}
static BOOL fill_sym_lvalue(const SYMBOL_INFO* sym, ULONG_PTR base,
struct dbg_lvalue* lvalue, char* buffer, size_t sz)
{
if (buffer) buffer[0] = '\0';
if (sym->Flags & SYMFLAG_REGISTER)
{
DWORD_PTR* pval;
if (!memory_get_register(sym->Register, &pval, buffer, sz))
return FALSE;
lvalue->cookie = DLV_HOST;
lvalue->addr.Offset = (DWORD_PTR)pval;
}
else if (sym->Flags & SYMFLAG_REGREL)
{
DWORD_PTR* pval;
size_t l;
*buffer++ = '['; sz--;
if (!memory_get_register(sym->Register, &pval, buffer, sz))
return FALSE;
l = strlen(buffer);
sz -= l;
buffer += l;
lvalue->cookie = DLV_TARGET;
lvalue->addr.Offset = (ULONG64)*pval + sym->Address;
if ((LONG_PTR)sym->Address >= 0)
snprintf(buffer, sz, "+%ld]", (ULONG_PTR)sym->Address);
else
snprintf(buffer, sz, "-%ld]", -(LONG_PTR)sym->Address);
}
else if (sym->Flags & SYMFLAG_VALUEPRESENT)
{
struct dbg_type type;
VARIANT v;
type.module = sym->ModBase;
type.id = sym->info;
if (!types_get_info(&type, TI_GET_VALUE, &v))
{
if (buffer) snprintf(buffer, sz, "Couldn't get full value information for %s", sym->Name);
return FALSE;
}
else if (v.n1.n2.vt & VT_BYREF)
{
/* FIXME: this won't work for pointers or arrays, as we don't always
* know, if the value to be dereferenced lies in debuggee or
* debugger address space.
*/
if (sym->Tag == SymTagPointerType || sym->Tag == SymTagArrayType)
{
if (buffer) snprintf(buffer, sz, "Couldn't dereference pointer for const value for %s", sym->Name);
return FALSE;
}
/* this is likely Wine's dbghelp which passes const values by reference
* (object is managed by dbghelp, hence in debugger address space)
*/
lvalue->cookie = DLV_HOST;
lvalue->addr.Offset = (DWORD_PTR)sym->Value;
}
else
{
DWORD* pdw = (DWORD*)lexeme_alloc_size(sizeof(*pdw));
lvalue->cookie = DLV_HOST;
lvalue->addr.Offset = (DWORD_PTR)pdw;
*pdw = sym->Value;
}
}
else if (sym->Flags & SYMFLAG_LOCAL)
{
lvalue->cookie = DLV_TARGET;
lvalue->addr.Offset = base + sym->Address;
}
else if (sym->Flags & SYMFLAG_TLSREL)
{
PROCESS_BASIC_INFORMATION pbi;
THREAD_BASIC_INFORMATION tbi;
DWORD_PTR addr;
PEB peb;
PEB_LDR_DATA ldr_data;
PLIST_ENTRY head, current;
LDR_MODULE ldr_module;
unsigned tlsindex = -1;
if (NtQueryInformationProcess(dbg_curr_process->handle, ProcessBasicInformation,
&pbi, sizeof(pbi), NULL) ||
NtQueryInformationThread(dbg_curr_thread->handle, ThreadBasicInformation,
&tbi, sizeof(tbi), NULL))
{
tls_error:
if (buffer) snprintf(buffer, sz, "Cannot read TLS address\n");
return FALSE;
}
addr = (DWORD_PTR)&(((TEB*)tbi.TebBaseAddress)->ThreadLocalStoragePointer);
if (!dbg_read_memory((void*)addr, &addr, sizeof(addr)) ||
!dbg_read_memory(pbi.PebBaseAddress, &peb, sizeof(peb)) ||
!dbg_read_memory(peb.LdrData, &ldr_data, sizeof(ldr_data)))
goto tls_error;
current = ldr_data.InLoadOrderModuleList.Flink;
head = &((PEB_LDR_DATA*)peb.LdrData)->InLoadOrderModuleList;
do
{
if (!dbg_read_memory(CONTAINING_RECORD(current, LDR_MODULE, InLoadOrderModuleList),
&ldr_module, sizeof(ldr_module))) goto tls_error;
if ((DWORD_PTR)ldr_module.BaseAddress == sym->ModBase)
{
tlsindex = ldr_module.TlsIndex;
break;
}
current = ldr_module.InLoadOrderModuleList.Flink;
} while (current != head);
addr += tlsindex * sizeof(DWORD_PTR);
if (!dbg_read_memory((void*)addr, &addr, sizeof(addr))) goto tls_error;
lvalue->cookie = DLV_TARGET;
lvalue->addr.Offset = addr + sym->Address;
}
else
{
lvalue->cookie = DLV_TARGET;
lvalue->addr.Offset = sym->Address;
}
lvalue->addr.Mode = AddrModeFlat;
lvalue->type.module = sym->ModBase;
lvalue->type.id = sym->TypeIndex;
return TRUE;
}
/***********************************************************************
* break_restart_execution
*
* Set the bp to the correct state to restart execution
* in the given mode.
*/
void break_restart_execution(int count)
{
ADDRESS64 addr;
enum dbg_line_status status;
enum dbg_exec_mode mode, ret_mode;
ADDRESS64 callee;
void* linear;
memory_get_current_pc(&addr);
linear = memory_to_linear_addr(&addr);
/*
* This is the mode we will be running in after we finish. We would like
* to be able to modify this in certain cases.
*/
ret_mode = mode = dbg_curr_thread->exec_mode;
/* we've stopped on a xpoint (other than step over) */
if (dbg_curr_thread->stopped_xpoint > 0)
{
/*
* If we have set a new value, then save it in the BP number.
*/
if (count != 0 && mode == dbg_exec_cont)
{
dbg_curr_process->bp[dbg_curr_thread->stopped_xpoint].skipcount = count;
}
/* If we've stopped on a breakpoint, single step over it (, then run) */
if (is_xpoint_break(dbg_curr_thread->stopped_xpoint))
mode = dbg_exec_step_into_insn;
}
else if (mode == dbg_exec_cont && count > 1)
{
dbg_printf("Not stopped at any breakpoint; argument ignored.\n");
}
if (mode == dbg_exec_finish && be_cpu->is_function_return(linear))
{
mode = ret_mode = dbg_exec_step_into_insn;
}
/*
* See if the function we are stepping into has debug info
* and line numbers. If not, then we step over it instead.
* FIXME - we need to check for things like thunks or trampolines,
* as the actual function may in fact have debug info.
*/
if (be_cpu->is_function_call(linear, &callee))
{
status = symbol_get_function_line_status(&callee);
#if 0
/* FIXME: we need to get the thunk type */
/*
* Anytime we have a trampoline, step over it.
*/
if ((mode == EXEC_STEP_OVER || mode == EXEC_STEPI_OVER)
&& status == dbg_in_a_thunk)
{
WINE_WARN("Not stepping into trampoline at %p (no lines)\n",
memory_to_linear_addr(&callee));
mode = EXEC_STEP_OVER_TRAMPOLINE;
}
#endif
if (mode == dbg_exec_step_into_line && status == dbg_no_line_info)
{
WINE_WARN("Not stepping into function at %p (no lines)\n",
memory_to_linear_addr(&callee));
mode = dbg_exec_step_over_line;
}
}
if (mode == dbg_exec_step_into_line &&
symbol_get_function_line_status(&addr) == dbg_no_line_info)
{
dbg_printf("Single stepping until exit from function,\n"
"which has no line number information.\n");
ret_mode = mode = dbg_exec_finish;
}
switch (mode)
{
case dbg_exec_cont: /* Continuous execution */
be_cpu->single_step(&dbg_context, FALSE);
break_set_xpoints(TRUE);
break;
#if 0
case EXEC_STEP_OVER_TRAMPOLINE:
/*
* This is the means by which we step over our conversion stubs
* in callfrom*.s and callto*.s. We dig the appropriate address
* off the stack, and we set the breakpoint there instead of the
* address just after the call.
*/
be_cpu->get_addr(dbg_curr_thread->handle, &dbg_context,
be_cpu_addr_stack, &addr);
/* FIXME: we assume stack grows as on an i386 */
addr.Offset += 2 * sizeof(unsigned int);
dbg_read_memory(memory_to_linear_addr(&addr),
&addr.Offset, sizeof(addr.Offset));
dbg_curr_process->bp[0].addr = addr;
dbg_curr_process->bp[0].enabled = TRUE;
dbg_curr_process->bp[0].refcount = 1;
dbg_curr_process->bp[0].skipcount = 0;
dbg_curr_process->bp[0].xpoint_type = be_xpoint_break;
dbg_curr_process->bp[0].condition = NULL;
be_cpu->single_step(&dbg_context, FALSE);
break_set_xpoints(TRUE);
break;
#endif
case dbg_exec_finish:
case dbg_exec_step_over_insn: /* Stepping over a call */
case dbg_exec_step_over_line: /* Stepping over a call */
if (be_cpu->is_step_over_insn(linear))
{
be_cpu->disasm_one_insn(&addr, FALSE);
dbg_curr_process->bp[0].addr = addr;
dbg_curr_process->bp[0].enabled = TRUE;
dbg_curr_process->bp[0].refcount = 1;
dbg_curr_process->bp[0].skipcount = 0;
dbg_curr_process->bp[0].xpoint_type = be_xpoint_break;
dbg_curr_process->bp[0].condition = NULL;
be_cpu->single_step(&dbg_context, FALSE);
break_set_xpoints(TRUE);
break;
}
/* else fall through to single-stepping */
case dbg_exec_step_into_line: /* Single-stepping a line */
case dbg_exec_step_into_insn: /* Single-stepping an instruction */
be_cpu->single_step(&dbg_context, TRUE);
break;
default: RaiseException(DEBUG_STATUS_INTERNAL_ERROR, 0, 0, NULL);
}
dbg_curr_thread->step_over_bp = dbg_curr_process->bp[0];
dbg_curr_thread->exec_mode = ret_mode;
}
