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Normalize handle_output_debug_string API

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This changes gdbserver's implementation of handle_output_debug_string
to have the same calling convention as that of gdb.  This allows for
sharing some more code in a subsequent patch.

gdb/ChangeLog
2020-04-08  Tom Tromey  <tromey@adacore.com>

	* windows-nat.c (windows_nat::handle_output_debug_string):
	Rename.  No longer static.
	* nat/windows-nat.h (handle_output_debug_string): Declare.

gdbserver/ChangeLog
2020-04-08  Tom Tromey  <tromey@adacore.com>

	* win32-low.c (handle_output_debug_string): Add parameter.  Change
	return type.
	(win32_kill, get_child_debug_event): Update.
This commit is contained in:
Tom Tromey
2020-04-08 14:33:35 -06:00
parent 3c76026df8
commit d41b524f45
5 changed files with 39 additions and 14 deletions
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21
gdbserver/win32-low.cc
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@@ -733,9 +733,10 @@ win32_process_target::attach (unsigned long pid)
(int) err, strwinerror (err));
}
/* Handle OUTPUT_DEBUG_STRING_EVENT from child process. */
static void
handle_output_debug_string (void)
/* See nat/windows-nat.h. */
int
windows_nat::handle_output_debug_string (struct target_waitstatus *ourstatus)
{
#define READ_BUFFER_LEN 1024
CORE_ADDR addr;
@@ -743,7 +744,7 @@ handle_output_debug_string (void)
DWORD nbytes = current_event.u.DebugString.nDebugStringLength;
if (nbytes == 0)
return;
return 0;
if (nbytes > READ_BUFFER_LEN)
nbytes = READ_BUFFER_LEN;
@@ -756,13 +757,13 @@ handle_output_debug_string (void)
in Unicode. */
WCHAR buffer[(READ_BUFFER_LEN + 1) / sizeof (WCHAR)] = { 0 };
if (read_inferior_memory (addr, (unsigned char *) buffer, nbytes) != 0)
return;
return 0;
wcstombs (s, buffer, (nbytes + 1) / sizeof (WCHAR));
}
else
{
if (read_inferior_memory (addr, (unsigned char *) s, nbytes) != 0)
return;
return 0;
}
if (!startswith (s, "cYg"))
@@ -770,12 +771,14 @@ handle_output_debug_string (void)
if (!server_waiting)
{
OUTMSG2(("%s", s));
return;
return 0;
}
monitor_output (s);
}
#undef READ_BUFFER_LEN
return 0;
}
static void
@@ -804,7 +807,7 @@ win32_process_target::kill (process_info *process)
if (current_event.dwDebugEventCode == EXIT_PROCESS_DEBUG_EVENT)
break;
else if (current_event.dwDebugEventCode == OUTPUT_DEBUG_STRING_EVENT)
handle_output_debug_string ();
handle_output_debug_string (nullptr);
}
win32_clear_inferiors ();
@@ -1504,7 +1507,7 @@ get_child_debug_event (struct target_waitstatus *ourstatus)
"for pid=%u tid=%x\n",
(unsigned) current_event.dwProcessId,
(unsigned) current_event.dwThreadId));
handle_output_debug_string ();
handle_output_debug_string (nullptr);
break;
default: