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* hppa-tdep.c (rp_saved): Handle IMPORT stubs too.

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* somsolib.c (som_solib_add): Check the value of __dld_flags, if
	it indicates __dld_list is not valid return an error.  If it
	indicates that libraries were not mapped privately, issue a
	warning.
This commit is contained in:
Jeff Law 1994-11-11 17:55:38 +00:00
parent 63ba709f37
commit c2e00af68e
3 changed files with 46 additions and 0 deletions
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9
gdb/ChangeLog
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@ -1,3 +1,12 @@
Fri Nov 11 10:51:07 1994 Jeff Law (law@snake.cs.utah.edu)
* hppa-tdep.c (rp_saved): Handle IMPORT stubs too.
* somsolib.c (som_solib_add): Check the value of __dld_flags, if
it indicates __dld_list is not valid return an error. If it
indicates that libraries were not mapped privately, issue a
warning.
Thu Nov 10 23:17:45 1994 Peter Schauer (pes@regent.e-technik.tu-muenchen.de)
* symfile.c (syms_from_objfile): Only call find_lowest_section if

1
gdb/hppa-tdep.c
View file

@ -708,6 +708,7 @@ rp_saved (pc)
switch (u->stub_type)
{
case EXPORT:
case IMPORT:
return -24;
case PARAMETER_RELOCATION:
return -8;

36
gdb/somsolib.c
View file

@ -83,8 +83,44 @@ som_solib_add (arg_string, from_tty, target)
struct minimal_symbol *msymbol;
CORE_ADDR addr;
int status;
unsigned int dld_flags;
char buf[4];
/* If we're debugging a core file, or have attached to a running
process, then som_solib_create_inferior_hook will not have been
called.
We need to examine __dld_flags to determine if the shared library
list is valid, and to determine if the libraries have been privately
mapped. */
msymbol = lookup_minimal_symbol ("__dld_flags", (struct objfile *) NULL);
if (msymbol == NULL)
{
error ("Unable to find __dld_flags symbol in object file.\n");
return;
}
addr = SYMBOL_VALUE_ADDRESS (msymbol);
/* Read the current contents. */
status = target_read_memory (addr, buf, 4);
if (status != 0)
{
error ("Unable to read __dld_flags\n");
return;
}
dld_flags = extract_unsigned_integer (buf, 4);
/* __dld_list may not be valid. If it's not valid tell the user. */
if ((dld_flags & 4) == 0)
{
error ("__dld_list is not valid according to __dld_flags.\n");
return;
}
/* If the libraries were not mapped private, warn the user. */
if ((dld_flags & 1) == 0)
warning ("The shared libraries were not privately mapped;\nsetting a breakpoint in a shared library will not work.\n");
msymbol = lookup_minimal_symbol ("__dld_list", (struct objfile *) NULL);
if (!msymbol)
{