mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-27 03:51:15 +08:00
2d336b1b51
N_SO_ADDRESS_MAYBE_MISSING to SOFUN_ADDRESS_MAYBE_MISSING. * symtab.h (minimal_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]: Add filename field. * elfread.c (record_minimal_symbol_and_info), minsyms.c, symtab.h (prim_record_minimal_symbol_and_info): Return newly created symbol. * elfread.c (elf_symtab_read) [SOFUN_ADDRESS_MAYBE_MISSING]: Set filename field of minimal symbol. * symmisc.c (dump_msymbols) [SOFUN_ADDRESS_MAYBE_MISSING]: Print filename field. * minsyms.c, symtab.h (lookup_minimal_symbol): New arg sfile. * symm-tdep.c, somsolib.c, hppa-tdep.c, c-exp.y, f-exp.y, m2-exp.y, nindy-tdep.c, m3-nat.c, irix5-nat.c, hpread.c, os9kread.c, breakpoint.c, alpha-tdep.c, valops.c, symtab.c, printcmd.c, dbxread.c: Change callers to pass NULL for sfile. * dbxread.c (process_one_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]: Find address of function from minimal symbols. * partial-stab.h, case 'f', 'F': Call find_stab_function_addr instead of getting pst->textlow from the stab. * minsyms.c (find_stab_function_addr): New function.
74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
/* Target-machine dependent code for the NINDY monitor running on the Intel 960
|
|
Copyright (C) 1991 Free Software Foundation, Inc.
|
|
Contributed by Intel Corporation.
|
|
|
|
This file is part of GDB.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
/* Miscellaneous NINDY-dependent routines.
|
|
Some replace macros normally defined in "tm.h". */
|
|
|
|
#include "defs.h"
|
|
#include "symtab.h"
|
|
#include "frame.h"
|
|
|
|
/* 'start_frame' is a variable in the NINDY runtime startup routine
|
|
that contains the frame pointer of the 'start' routine (the routine
|
|
that calls 'main'). By reading its contents out of remote memory,
|
|
we can tell where the frame chain ends: backtraces should halt before
|
|
they display this frame. */
|
|
|
|
int
|
|
nindy_frame_chain_valid (chain, curframe)
|
|
unsigned int chain;
|
|
struct frame_info *curframe;
|
|
{
|
|
struct symbol *sym;
|
|
struct minimal_symbol *msymbol;
|
|
|
|
/* crtnindy.o is an assembler module that is assumed to be linked
|
|
* first in an i80960 executable. It contains the true entry point;
|
|
* it performs startup up initialization and then calls 'main'.
|
|
*
|
|
* 'sf' is the name of a variable in crtnindy.o that is set
|
|
* during startup to the address of the first frame.
|
|
*
|
|
* 'a' is the address of that variable in 80960 memory.
|
|
*/
|
|
static char sf[] = "start_frame";
|
|
CORE_ADDR a;
|
|
|
|
|
|
chain &= ~0x3f; /* Zero low 6 bits because previous frame pointers
|
|
contain return status info in them. */
|
|
if ( chain == 0 ){
|
|
return 0;
|
|
}
|
|
|
|
sym = lookup_symbol(sf, 0, VAR_NAMESPACE, (int *)NULL,
|
|
(struct symtab **)NULL);
|
|
if ( sym != 0 ){
|
|
a = SYMBOL_VALUE (sym);
|
|
} else {
|
|
msymbol = lookup_minimal_symbol (sf, NULL, NULL);
|
|
if (msymbol == NULL)
|
|
return 0;
|
|
a = SYMBOL_VALUE_ADDRESS (msymbol);
|
|
}
|
|
|
|
return ( chain != read_memory_integer(a,4) );
|
|
}
|