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sp64.mt: New file.

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tm-sp64.h (FRAME_CHAIN, FRAME_SAVED_PC): Deleted.
(PRINT_REGISTER_HOOK): Call new fn sparc_print_register_hook.
This commit is contained in:
David Edelsohn 1993-07-30 18:40:05 +00:00
parent f751f474f4
commit 3b22d69a5f
3 changed files with 55 additions and 32 deletions
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3
gdb/config/sparc/.Sanitize
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@ -14,7 +14,8 @@
Do-first:
if ( echo $* | grep keep\-v9 > /dev/null ) ; then
keep_these_too="sp64sim.mt tm-sp64.h tm-sp64sim.h"
# sp64sim.h tm-sp64sim.h not currently used. Left in for now.
keep_these_too="sp64.mt tm-sp64.h sp64sim.h tm-sp64sim.h"
fi
# All files listed between the "Things-to-keep:" line and the

17
gdb/config/sparc/sp64.mt Normal file
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@ -0,0 +1,17 @@
# Target: SPARC64 (with simulator)
# FIXME: May not always want the simulator.
# Need gcc for long long support.
CC = gcc
# Regular "have long long" detection is disabled for now.
MH_CFLAGS = -DFORCE_LONG_LONG -I${srcdir}/../sim/sp64
SIMFILES = remote-sp64sim.o ../sim/sp64/libsim.a
# solib.o and procfs.o taken out for now. We don't have shared libraries yet,
# and the elf version requires procfs.o but the a.out version doesn't.
# Then again, having procfs.o in a target makefile fragment seems wrong.
TDEPFILES = exec.o sparc-pinsn.o sparc-tdep.o sp64-tdep.o $(SIMFILES)
# configure.in requires "TM_FILE= ".
TM_FILE= tm-sp64.h

67
gdb/config/sparc/tm-sp64.h
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@ -129,6 +129,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#define FP0_REGNUM 32 /* Floating point register 0 */
#endif
#define FP_MAX_REGNUM 80 /* 1 + last fp reg number */
/* #undef v8 misc. regs */
#undef Y_REGNUM
@ -177,7 +179,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#define FCC2_REGNUM (C0_REGNUM + 45) /* floating point condition code reg 1 */
#define FCC3_REGNUM (C0_REGNUM + 46) /* floating point condition code reg 2 */
/* KLUDGE ALERT: PS_REGNUM is for a priviledged v8 register which doesn't exist
/* FIXME: PS_REGNUM is for a priviledged v8 register which doesn't exist
in v9 (in the same form). We use bits of sparc-tdep.c which requires
PS_REGNUM. So define it here to be an unused ASR reg so sparc-tdep.c will
compile. What we really want to do is put some conditionals in sparc-tdep.c
@ -198,8 +200,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#define REGISTER_BYTE(N) \
((N) < 32 ? (N)*8 \
: (N) < 64 ? 32*8 + ((N)-32)*4 \
: (N) < 80 ? 32*8 + 32*4 + ((N)-64)*8 \
: 64*8 + ((N)-80)*8)
: (N) < C0_REGNUM ? 32*8 + 32*4 + ((N)-64)*8 \
: 64*8 + ((N)-C0_REGNUM)*8)
/* Number of bytes of storage in the actual machine representation
for register N. */
@ -292,25 +294,6 @@ extern int target_ptr_bit;
extern CORE_ADDR
sparc64_extract_struct_value_address PARAMS ((char [REGISTER_BYTES]));
/* FRAME_CHAIN takes a frame's nominal address
and produces the frame's chain-pointer. */
/* FIXME: This won't be needed when sparc_frame_chain() is upgraded to
handle us and them (a trivial thing to do). */
#undef FRAME_CHAIN
#define FRAME_CHAIN(thisframe) (sparc64_frame_chain (thisframe))
extern CORE_ADDR
sparc64_frame_chain ();
/* Where is the PC for a specific frame */
/* FIXME: This won't be needed when [sparc_]frame_saved_pc() is upgraded
to handle us and them (a trivial thing to do). */
#undef FRAME_SAVED_PC
#define FRAME_SAVED_PC(FRAME) sparc64_frame_saved_pc (FRAME)
extern CORE_ADDR
sparc64_frame_saved_pc ();
/* Return number of bytes at start of arglist that are not really args. */
@ -331,15 +314,37 @@ extern void single_step ();
#undef FRAME_SPECIFICATION_DYADIC
#define FRAME_SPECIFICATION_DYADIC
/* To print every pair of float registers as a double, we use this hook. */
/* To print every pair of float registers as a double, we use this hook.
We also print the condition code registers in a readable format
(FIXME: can expand this to all control regs). */
#undef PRINT_REGISTER_HOOK
#define PRINT_REGISTER_HOOK(regno) \
if (((unsigned) (regno) - FP0_REGNUM < 64) \
&& ((regno) & 1) == 0) { \
char doublereg[8]; /* two float regs */ \
if (!read_relative_register_raw_bytes (i, doublereg)) { \
printf("\t"); \
print_floating (doublereg, builtin_type_double, stdout); \
} \
}
sparc_print_register_hook (regno)
/* Offsets into jmp_buf.
FIXME: This was borrowed from the v8 stuff and will probably have to change
for v9. */
#define JB_ELEMENT_SIZE 8 /* Size of each element in jmp_buf */
#define JB_ONSSTACK 0
#define JB_SIGMASK 1
#define JB_SP 2
#define JB_PC 3
#define JB_NPC 4
#define JB_PSR 5
#define JB_G1 6
#define JB_O0 7
#define JB_WBCNT 8
/* Figure out where the longjmp will land. We expect that we have just entered
longjmp and haven't yet setup the stack frame, so the args are still in the
output regs. %o0 (O0_REGNUM) points at the jmp_buf structure from which we
extract the pc (JB_PC) that we will land at. The pc is copied into ADDR.
This routine returns true on success */
extern int
get_longjmp_target PARAMS ((CORE_ADDR *));
#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)