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* dwarfread.c (read_func_scope): Avoid GDB core dumps if

Browse Source 
AT_name tag is missing.

	* procfs.c (procfs_stopped_by_watchpoint):  Fix logic when
	FLTWATCH and FLTKWATCH are defined.

	* remote.c (remote_read_bytes):  Advance memaddr for transfers,
	return number of bytes transferred for partial reads.

	* top.c (init_signals):  Reset SIGTRAP to SIG_DFL.
This commit is contained in:
Peter Schauer 1996-02-03 11:32:34 +00:00
parent c2b6884b97
commit 255181a9ed
4 changed files with 37 additions and 3 deletions
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13
gdb/ChangeLog
View File

@ -1,3 +1,16 @@
Sat Feb 3 03:26:21 1996 Peter Schauer (pes@regent.e-technik.tu-muenchen.de)
* dwarfread.c (read_func_scope): Avoid GDB core dumps if
AT_name tag is missing.
* procfs.c (procfs_stopped_by_watchpoint): Fix logic when
FLTWATCH and FLTKWATCH are defined.
* remote.c (remote_read_bytes): Advance memaddr for transfers,
return number of bytes transferred for partial reads.
* top.c (init_signals): Reset SIGTRAP to SIG_DFL.
Fri Feb 2 13:40:50 1996 Steve Chamberlain <sac@slash.cygnus.com>
* win32-nat.c (mappings): Add ppc registers.

15
gdb/dwarfread.c
View File

@ -170,6 +170,11 @@ struct complaint not_row_major =
"DIE @ 0x%x \"%s\", array not row major; not handled correctly", 0, 0
};
struct complaint missing_at_name =
{
"DIE @ 0x%x, AT_name tag missing", 0, 0
};
typedef unsigned int DIE_REF; /* Reference to a DIE */
#ifndef GCC_PRODUCER
@ -1807,6 +1812,16 @@ read_func_scope (dip, thisdie, enddie, objfile)
{
register struct context_stack *new;
/* AT_name is absent if the function is described with an
AT_abstract_origin tag.
Ignore the function description for now to avoid GDB core dumps.
FIXME: Add code to handle AT_abstract_origin tags properly. */
if (dip -> at_name == NULL)
{
complain (&missing_at_name, DIE_ID);
return;
}
if (objfile -> ei.entry_point >= dip -> at_low_pc &&
objfile -> ei.entry_point < dip -> at_high_pc)
{

4
gdb/procfs.c
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@ -1,5 +1,5 @@
/* Machine independent support for SVR4 /proc (process file system) for GDB.
Copyright 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
Copyright 1991, 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
Written by Fred Fish at Cygnus Support.
This file is part of GDB.
@ -3711,7 +3711,7 @@ procfs_stopped_by_watchpoint(pid)
what = pi->prstatus.pr_what;
if (why == PR_FAULTED
#if defined (FLTWATCH) && defined (FLTKWATCH)
&& (what == FLTWATCH) || (what == FLTKWATCH)
&& (what == FLTWATCH || what == FLTKWATCH)
#else
#ifdef FLTWATCH
&& (what == FLTWATCH)

8
gdb/top.c
View File

@ -1,5 +1,5 @@
/* Top level stuff for GDB, the GNU debugger.
Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995
Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996
Free Software Foundation, Inc.
This file is part of GDB.
@ -1840,6 +1840,12 @@ init_signals ()
{
signal (SIGINT, request_quit);
/* If SIGTRAP was set to SIG_IGN, then the SIG_IGN will get passed
to the inferior and breakpoints will be ignored. */
#ifdef SIGTRAP
signal (SIGTRAP, SIG_DFL);
#endif
/* If we initialize SIGQUIT to SIG_IGN, then the SIG_IGN will get
passed to the inferior, which we don't want. It would be
possible to do a "signal (SIGQUIT, SIG_DFL)" after we fork, but