* mips-nat.c (fetch_core_registers, register_addr): Copy from
coredep.c, but zero out FP_REGNUM & ZERO_REGNUM so that stack backtraces from core files work. * config/decstation.mh, config/irix3.mh: Remove coredep.o. Functions are now defined in mips-nat.c.
This commit is contained in:
parent
3ec5a74b0d
commit
56fc16c70b
|
@ -1,5 +1,13 @@
|
||||||
Mon Oct 19 15:09:57 1992 Stu Grossman (grossman at cygnus.com)
|
Mon Oct 19 15:09:57 1992 Stu Grossman (grossman at cygnus.com)
|
||||||
|
|
||||||
|
* mips-nat.c (fetch_core_registers, register_addr): Copy from
|
||||||
|
coredep.c, but zero out FP_REGNUM & ZERO_REGNUM so that stack
|
||||||
|
backtraces from core files work.
|
||||||
|
* config/decstation.mh, config/irix3.mh: Remove coredep.o.
|
||||||
|
Functions are now defined in mips-nat.c.
|
||||||
|
|
||||||
|
* tm-irix3.h: Put MIPS_EFI_SYMBOL_NAME in here too.
|
||||||
|
|
||||||
* remote-hms.c: Disable all uses of serial_nextbaudrate and
|
* remote-hms.c: Disable all uses of serial_nextbaudrate and
|
||||||
serial_default_name().
|
serial_default_name().
|
||||||
|
|
||||||
|
|
|
@ -2,7 +2,7 @@
|
||||||
XDEPFILES=
|
XDEPFILES=
|
||||||
XM_FILE= xm-mips.h
|
XM_FILE= xm-mips.h
|
||||||
NAT_FILE= nm-mips.h
|
NAT_FILE= nm-mips.h
|
||||||
NATDEPFILES= infptrace.o inftarg.o coredep.o corelow.o mips-nat.o fork-child.o
|
NATDEPFILES= infptrace.o inftarg.o corelow.o mips-nat.o fork-child.o
|
||||||
|
|
||||||
# We can't use MMALLOC because the DECstation RPC library can't cope
|
# We can't use MMALLOC because the DECstation RPC library can't cope
|
||||||
# with a malloc(0) that returns 0. Besides, it's useless on a machine
|
# with a malloc(0) that returns 0. Besides, it's useless on a machine
|
||||||
|
|
|
@ -2,7 +2,7 @@
|
||||||
XDEPFILES=
|
XDEPFILES=
|
||||||
XM_FILE= xm-irix3.h
|
XM_FILE= xm-irix3.h
|
||||||
NAT_FILE= nm-irix3.h
|
NAT_FILE= nm-irix3.h
|
||||||
NATDEPFILES= fork-child.o coredep.o corelow.o infptrace.o inftarg.o mips-nat.o
|
NATDEPFILES= fork-child.o corelow.o infptrace.o inftarg.o mips-nat.o
|
||||||
ALLOCA=alloca.o
|
ALLOCA=alloca.o
|
||||||
ALLOCA1=alloca.o
|
ALLOCA1=alloca.o
|
||||||
MUNCH_DEFINE=-B
|
MUNCH_DEFINE=-B
|
||||||
|
|
|
@ -25,6 +25,17 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||||
#include <sys/ptrace.h>
|
#include <sys/ptrace.h>
|
||||||
#include <setjmp.h> /* For JB_XXX. */
|
#include <setjmp.h> /* For JB_XXX. */
|
||||||
|
|
||||||
|
#include <sys/types.h>
|
||||||
|
#include <sys/param.h>
|
||||||
|
#include "gdbcore.h"
|
||||||
|
|
||||||
|
/* These are needed on various systems to expand REGISTER_U_ADDR. */
|
||||||
|
#include <sys/dir.h>
|
||||||
|
#include <sys/file.h>
|
||||||
|
#include <sys/stat.h>
|
||||||
|
#include <sys/user.h>
|
||||||
|
#include <sys/ptrace.h>
|
||||||
|
|
||||||
/* Size of elements in jmpbuf */
|
/* Size of elements in jmpbuf */
|
||||||
|
|
||||||
#define JB_ELEMENT_SIZE 4
|
#define JB_ELEMENT_SIZE 4
|
||||||
|
@ -144,3 +155,74 @@ get_longjmp_target(pc)
|
||||||
|
|
||||||
return 1;
|
return 1;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/* Extract the register values out of the core file and store
|
||||||
|
them where `read_register' will find them.
|
||||||
|
|
||||||
|
CORE_REG_SECT points to the register values themselves, read into memory.
|
||||||
|
CORE_REG_SIZE is the size of that area.
|
||||||
|
WHICH says which set of registers we are handling (0 = int, 2 = float
|
||||||
|
on machines where they are discontiguous).
|
||||||
|
REG_ADDR is the offset from u.u_ar0 to the register values relative to
|
||||||
|
core_reg_sect. This is used with old-fashioned core files to
|
||||||
|
locate the registers in a large upage-plus-stack ".reg" section.
|
||||||
|
Original upage address X is at location core_reg_sect+x+reg_addr.
|
||||||
|
*/
|
||||||
|
|
||||||
|
void
|
||||||
|
fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
|
||||||
|
char *core_reg_sect;
|
||||||
|
unsigned core_reg_size;
|
||||||
|
int which;
|
||||||
|
unsigned reg_addr;
|
||||||
|
{
|
||||||
|
register int regno;
|
||||||
|
register unsigned int addr;
|
||||||
|
int bad_reg = -1;
|
||||||
|
register reg_ptr = -reg_addr; /* Original u.u_ar0 is -reg_addr. */
|
||||||
|
|
||||||
|
/* If u.u_ar0 was an absolute address in the core file, relativize it now,
|
||||||
|
so we can use it as an offset into core_reg_sect. When we're done,
|
||||||
|
"register 0" will be at core_reg_sect+reg_ptr, and we can use
|
||||||
|
register_addr to offset to the other registers. If this is a modern
|
||||||
|
core file without a upage, reg_ptr will be zero and this is all a big
|
||||||
|
NOP. */
|
||||||
|
if (reg_ptr > core_reg_size)
|
||||||
|
reg_ptr -= KERNEL_U_ADDR;
|
||||||
|
|
||||||
|
for (regno = 0; regno < NUM_REGS; regno++)
|
||||||
|
{
|
||||||
|
addr = register_addr (regno, reg_ptr);
|
||||||
|
if (addr >= core_reg_size) {
|
||||||
|
if (bad_reg < 0)
|
||||||
|
bad_reg = regno;
|
||||||
|
} else {
|
||||||
|
supply_register (regno, core_reg_sect + addr);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (bad_reg >= 0)
|
||||||
|
{
|
||||||
|
error ("Register %s not found in core file.", reg_names[bad_reg]);
|
||||||
|
}
|
||||||
|
supply_register (ZERO_REGNUM, zerobuf);
|
||||||
|
/* Frame ptr reg must appear to be 0; it is faked by stack handling code. */
|
||||||
|
supply_register (FP_REGNUM, zerobuf);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Return the address in the core dump or inferior of register REGNO.
|
||||||
|
BLOCKEND is the address of the end of the user structure. */
|
||||||
|
|
||||||
|
unsigned int
|
||||||
|
register_addr (regno, blockend)
|
||||||
|
int regno;
|
||||||
|
int blockend;
|
||||||
|
{
|
||||||
|
int addr;
|
||||||
|
|
||||||
|
if (regno < 0 || regno >= NUM_REGS)
|
||||||
|
error ("Invalid register number %d.", regno);
|
||||||
|
|
||||||
|
REGISTER_U_ADDR (addr, blockend, regno);
|
||||||
|
|
||||||
|
return addr;
|
||||||
|
}
|
||||||
|
|
|
@ -314,3 +314,8 @@ typedef struct mips_extra_func_info {
|
||||||
struct frame_saved_regs *saved_regs;
|
struct frame_saved_regs *saved_regs;
|
||||||
|
|
||||||
#define INIT_EXTRA_FRAME_INFO(fromleaf, fci) init_extra_frame_info(fci)
|
#define INIT_EXTRA_FRAME_INFO(fromleaf, fci) init_extra_frame_info(fci)
|
||||||
|
|
||||||
|
/* Special symbol found in blocks associated with routines. We can hang
|
||||||
|
mips_extra_func_info_t's off of this. */
|
||||||
|
|
||||||
|
#define MIPS_EFI_SYMBOL_NAME "__GDB_EFI_INFO__"
|
||||||
|
|
Loading…
Reference in New Issue