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* breakpoint.c (bpstat_stop_status),
infcmd.c (step_1), infrun.c (wait_for_inferior): collapse SHIFT_INST_REGS ifdef and insert macro. * m88k-tdep.c: include ieee-float.h. new global target_is_m88110. new const struct ext_format_m88110 for float format. (pic_prologue_code): add braces. (next_insn): remove unused variable buf. (frame_find_saved_regs): remove unused variables next_addr, saved_regs, regnum. (frame_locals_address): remove unused variables frame, ap. (frame_args_address): remove unused variables frame, ap. (push_parameters): add some breaks and a default case. * remote-bug.c: remove redundant includes of value.h, target.h, serial.h. (bug_open): corrected typo, sr_multi_scan -> gr_multi_scan. (bug_fetch_register): special case sfip register for m88110. remove flag bit masking of pc registers. This should be handled by the ADDR_BITS_* macros. (bug_store_register): special case sfip register for m88110. Corrected sprint format for extended registers.
This commit is contained in:
K. Richard Pixley
parent
7b11cf9684
commit
817ac7f82b
@ -1,3 +1,33 @@
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Tue Sep 21 17:22:34 1993 K. Richard Pixley (rich@sendai.cygnus.com)
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* breakpoint.c (bpstat_stop_status),
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infcmd.c (step_1),
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infrun.c (wait_for_inferior): collapse SHIFT_INST_REGS ifdef and insert macro.
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* m88k-tdep.c: include ieee-float.h. new global target_is_m88110.
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new const struct ext_format_m88110 for float format.
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(pic_prologue_code): add braces.
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(next_insn): remove unused variable buf.
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(frame_find_saved_regs): remove unused variables next_addr,
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saved_regs, regnum.
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(frame_locals_address): remove unused variables frame, ap.
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(frame_args_address): remove unused variables frame, ap.
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(push_parameters): add some breaks and a default case.
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* remote-bug.c: remove redundant includes of value.h, target.h,
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serial.h.
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(bug_open): corrected typo, sr_multi_scan -> gr_multi_scan.
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(bug_fetch_register): special case sfip register for m88110.
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remove flag bit masking of pc registers. This should be handled
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by the ADDR_BITS_* macros.
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(bug_store_register): special case sfip register for m88110.
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Corrected sprint format for extended registers.
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* config/m88k/tm-m88k.h: white space and comment changes. include
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ieee-float.h. expanded to cope with m88110 extended registers.
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(R0_REGNUM, XFP_REGNUM, X0_REGNUM): new macros.
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(SHIFT_INST_REGS): becomes a real macro.
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Tue Sep 21 17:48:14 1993 Jim Kingdon (kingdon@lioth.cygnus.com)
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* breakpoint.c (breakpoint_1): Support bp_call_dummy.
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@ -1152,15 +1152,7 @@ bpstat_stop_status (pc, frame_address)
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{
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*pc = bp_addr;
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#if defined (SHIFT_INST_REGS)
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{
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CORE_ADDR pc = read_register (PC_REGNUM);
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CORE_ADDR npc = read_register (NPC_REGNUM);
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if (pc != npc)
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{
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write_register (NNPC_REGNUM, npc);
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write_register (NPC_REGNUM, pc);
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}
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}
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SHIFT_INST_REGS();
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#else /* No SHIFT_INST_REGS. */
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write_pc (bp_addr);
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#endif /* No SHIFT_INST_REGS. */
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@ -26,12 +26,23 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "symtab.h"
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#include "setjmp.h"
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#include "value.h"
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#include "ieee-float.h" /* for ext_format & friends */
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/* Size of an instruction */
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#define BYTES_PER_88K_INSN 4
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void frame_find_saved_regs ();
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/* is this target an m88110? Otherwise assume m88100. This has
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relevance for the ways in which we screw with instruction pointers. */
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int target_is_m88110 = 0;
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/* FIXME: this is really just a guess based on m88110 being big
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endian. */
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const struct ext_format ext_format_m88110 = {
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/* tot sbyte smask expbyte manbyte */
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10, 0, 0x80, 0,1, 4,8 /* m88110 */
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};
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/* Given a GDB frame, determine the address of the calling function's frame.
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This will be used to create a new GDB frame struct, and then
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@ -124,7 +135,7 @@ struct pic_prologue_code {
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static struct pic_prologue_code pic_prologue_code [] = {
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/* FIXME -- until this is translated to hex, we won't match it... */
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0xffffffff, 0,
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{ 0xffffffff, 0 },
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/* or r10,r1,0 (if not saved) */
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/* bsr.n LabN */
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/* or.u r25,r0,const */
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@ -152,8 +163,6 @@ next_insn (memaddr, pword1)
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unsigned long *pword1;
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CORE_ADDR memaddr;
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{
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unsigned long buf[1];
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*pword1 = read_memory_integer (memaddr, BYTES_PER_88K_INSN);
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return memaddr + BYTES_PER_88K_INSN;
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}
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@ -448,9 +457,6 @@ frame_find_saved_regs (fi, fsr)
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struct frame_info *fi;
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struct frame_saved_regs *fsr;
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{
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register CORE_ADDR next_addr;
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register CORE_ADDR *saved_regs;
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register int regnum;
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register struct frame_saved_regs *cache_fsr;
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extern struct obstack frame_cache_obstack;
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CORE_ADDR ip;
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@ -490,9 +496,7 @@ CORE_ADDR
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frame_locals_address (fi)
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struct frame_info *fi;
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{
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register FRAME frame;
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struct frame_saved_regs fsr;
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CORE_ADDR ap;
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if (fi->args_pointer) /* Cached value is likely there. */
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return fi->args_pointer;
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@ -511,9 +515,7 @@ CORE_ADDR
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frame_args_address (fi)
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struct frame_info *fi;
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{
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register FRAME frame;
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struct frame_saved_regs fsr;
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CORE_ADDR ap;
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if (fi->args_pointer) /* Cached value is likely there. */
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return fi->args_pointer;
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@ -694,7 +696,9 @@ push_parameters (return_type, struct_conv, nargs, args)
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write_register (SP_REGNUM, rv_addr); /* push space onto the stack */
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write_register (SRA_REGNUM, rv_addr);/* set return value register */
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break;
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}
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default: break;
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}
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/* Here we make a pre-pass on the whole parameter list to figure out exactly
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@ -23,7 +23,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "defs.h"
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#include "inferior.h"
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#include "wait.h"
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#include "value.h"
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#include <string.h>
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#include <ctype.h>
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@ -33,9 +32,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include <errno.h>
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#include "terminal.h"
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#include "target.h"
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#include "gdbcore.h"
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#include "serial.h"
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#include "gdbcmd.h"
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#include "remote-utils.h"
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@ -228,7 +225,7 @@ bug_open (args, from_tty)
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sr_write_cr("rs cr06");
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sr_expect("rs cr06");
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switch (sr_multi_scan(cpu_check_strings, 0))
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switch (gr_multi_scan(cpu_check_strings, 0))
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{
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case 0: /* this is an m88100 */
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target_is_m88110 = 0;
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@ -438,6 +435,12 @@ bug_fetch_register(regno)
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for (i = 0; i < NUM_REGS; ++i)
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bug_fetch_register(i);
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}
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else if (target_is_m88110 && regno == SFIP_REGNUM)
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{
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/* m88110 has no sfip. */
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long l = 0;
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supply_register(regno, (char *) &l);
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}
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else if (regno < XFP_REGNUM)
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{
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sr_write("rs ", 3);
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@ -445,14 +448,6 @@ bug_fetch_register(regno)
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sr_expect("=");
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regval = sr_get_hex_word();
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gr_expect_prompt();
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/* the following registers contain flag bits in the lower to bit slots.
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Mask them off */
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if (regno == PC_REGNUM /* aka sxip */
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|| regno == NPC_REGNUM /* aka snip */
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|| regno == SFIP_REGNUM) /* aka sfip */
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regval &= ~0x3;
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supply_register(regno, (char *) ®val);
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}
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else
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@ -523,7 +518,9 @@ bug_store_register (regno)
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regname = get_reg_name(regno);
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if (regno < XFP_REGNUM)
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if (target_is_m88110 && regno == SFIP_REGNUM)
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return;
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else if (regno < XFP_REGNUM)
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sprintf(buffer, "rs %s %08x",
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regname,
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read_register(regno));
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@ -531,7 +528,7 @@ bug_store_register (regno)
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{
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unsigned char *value = ®isters[REGISTER_BYTE(regno)];
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sprintf(buffer, "rs %s %1x_%2x%1x_%1x%2x%2x%2x%2x%2x%2x",
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sprintf(buffer, "rs %s %1x_%02x%1x_%1x%02x%02x%02x%02x%02x%02x;d",
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regname,
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/* sign */
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(value[0] >> 7) & 0xf,
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