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binutils-gdb
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Snapshot of current i386 NLM debugging stub.

This commit is contained in:
Ian Lance Taylor 1993-09-10 23:25:40 +00:00
parent bccf35217e
commit d6a9983874
1 changed files with 10 additions and 8 deletions
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18
gdb/i386-nlmstub.c
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@ -243,9 +243,6 @@ struct LoadDefinitionStructure
/* The main thread ID. */
static int mainthread;
/* The debug server thread ID. */
static int debugthread;
/* The LoadDefinitionStructure of the NLM being debugged. */
static struct LoadDefinitionStructure *handle;
@ -720,13 +717,18 @@ handle_exception (T_StackFrame *old_frame)
if (frame->ExceptionNumber == START_NLM_EVENT
&& handle == NULL)
{
debugthread = GetThreadID ();
handle = (struct LoadDefinitionStructure *) frame->ExceptionErrorCode;
first_insn = *(char *) handle->LDInitializationProcedure;
*(unsigned char *) handle->LDInitializationProcedure = 0xcc;
return RETURN_TO_PROGRAM;
}
/* Pass some events on to the next debugger, in case it will handle
them. */
if (frame->ExceptionNumber == ENTER_DEBUGGER_EVENT
|| frame->ExceptionNumber == KEYBOARD_BREAK_EVENT)
return RETURN_TO_NEXT_DEBUGGER;
/* At the moment, we don't care about most of the unusual NetWare
exceptions. */
if (frame->ExceptionNumber != TERMINATE_NLM_EVENT
@ -1040,12 +1042,12 @@ main (argc, argv)
exit (1);
}
/* By the time we reach this point in the code the debugger thread
should have received a START_NLM_EVENT and gone to sleep. */
/* Wait for the debugger to wake us up. */
if (remote_debug > 0)
ConsolePrintf ("Resuming %d, suspending %d\r\n", debugthread, mainthread);
ResumeThread (debugthread);
ConsolePrintf ("Suspending main thread (%d)\r\n", mainthread);
SuspendThread (mainthread);
if (remote_debug > 0)
ConsolePrintf ("Resuming main thread (%d)\r\n", mainthread);
/* If we are woken up, print an optional error message, deregister
ourselves and exit. */