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Handle missing shared libraries during the examination of a core

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dump gracefully.
	* solib.c (find_solib):  Use catch_errors around call to
	solib_map_sections. Use warning instead of error if reading of
	the shared library name fails.
	(solib_map_sections):  Change return and argument types to make
	it callable from catch_errors.
	(symbol_add_stub):  Avoid GDB core dump if solib->abfd is NULL.
	* irix5-nat.c, osfsolib.c (xfer_link_map_member, solib_map_sections,
	symbol_add_stub):  Ditto.
This commit is contained in:
Peter Schauer
1998-04-22 20:17:44 +00:00
parent f3b96ecc60
commit b420cea7eb
4 changed files with 59 additions and 28 deletions
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23
gdb/osfsolib.c
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@@ -1,5 +1,5 @@
/* Handle OSF/1 shared libraries for GDB, the GNU Debugger.
Copyright 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
Copyright 1993, 1994, 1995, 1996, 1998 Free Software Foundation, Inc.
This file is part of GDB.
@@ -193,8 +193,8 @@ next_link_map_member PARAMS ((struct so_list *));
static void
xfer_link_map_member PARAMS ((struct so_list *, struct link_map *));
static void
solib_map_sections PARAMS ((struct so_list *));
static int
solib_map_sections PARAMS ((char *));
/*
@@ -204,7 +204,7 @@ LOCAL FUNCTION
SYNOPSIS
static void solib_map_sections (struct so_list *so)
static int solib_map_sections (struct so_list *so)
DESCRIPTION
@@ -223,10 +223,11 @@ FIXMES
expansion stuff?).
*/
static void
solib_map_sections (so)
struct so_list *so;
static int
solib_map_sections (arg)
char *arg;
{
struct so_list *so = (struct so_list *) arg; /* catch_errors bogon */
char *filename;
char *scratch_pathname;
int scratch_chan;
@@ -288,6 +289,8 @@ solib_map_sections (so)
/* Free the file names, close the file now. */
do_cleanups (old_chain);
return (1);
}
/*
@@ -485,7 +488,9 @@ xfer_link_map_member (so_list_ptr, lm)
}
#endif
solib_map_sections (so_list_ptr);
catch_errors (solib_map_sections, (char *) so_list_ptr,
"Error while mapping shared library sections:\n",
RETURN_MASK_ALL);
}
}
@@ -570,7 +575,7 @@ symbol_add_stub (arg)
if (so -> textsection)
text_addr = so -> textsection -> addr;
else
else if (so -> abfd != NULL)
{
asection *lowest_sect;