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-rw-r--r--gdb/nlm/ppc.c244
1 files changed, 0 insertions, 244 deletions
diff --git a/gdb/nlm/ppc.c b/gdb/nlm/ppc.c
deleted file mode 100644
index c5850abcd77..00000000000
--- a/gdb/nlm/ppc.c
+++ /dev/null
@@ -1,244 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <time.h>
-#include <errno.h>
-
-#include <nwtypes.h>
-#include <nwdfs.h>
-#include <nwconio.h>
-#include <nwadv.h>
-#include <nwdbgapi.h>
-#include <nwthread.h>
-#include "ppc.h"
-
-extern char *mem2hex (void *mem, char *buf, int count, int may_fault);
-extern char *hex2mem (char *buf, void *mem, int count, int may_fault);
-extern int computeSignal (int exceptionVector);
-
-void
-flush_i_cache (void)
-{
-}
-
-/* Get the registers out of the frame information. */
-
-void
-frame_to_registers (struct StackFrame *frame, char *regs)
-{
- mem2hex (&frame->ExceptionState.CsavedRegs, &regs[GP0_REGNUM * 4 * 2], 4 * 32, 0);
-
- mem2hex (&frame->ExceptionState.CSavedFPRegs, &regs[FP0_REGNUM * 4 * 2], 4 * 32, 0);
-
- mem2hex (&frame->ExceptionPC, &regs[PC_REGNUM * 4 * 2], 4 * 1, 0);
-
- mem2hex (&frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedSRR1, &regs[CR_REGNUM * 4 * 2], 4 * 1, 0);
- mem2hex (&frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedLR, &regs[LR_REGNUM * 4 * 2], 4 * 1, 0);
- mem2hex (&frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedCTR, &regs[CTR_REGNUM * 4 * 2], 4 * 1, 0);
- mem2hex (&frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedXER, &regs[XER_REGNUM * 4 * 2], 4 * 1, 0);
- mem2hex (&frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedMQ, &regs[MQ_REGNUM * 4 * 2], 4 * 1, 0);
-}
-
-/* Put the registers back into the frame information. */
-
-void
-registers_to_frame (char *regs, struct StackFrame *frame)
-{
- hex2mem (&regs[GP0_REGNUM * 4 * 2], &frame->ExceptionState.CsavedRegs, 4 * 32, 0);
-
- hex2mem (&regs[FP0_REGNUM * 4 * 2], &frame->ExceptionState.CSavedFPRegs, 4 * 32, 0);
-
- hex2mem (&regs[PC_REGNUM * 4 * 2], &frame->ExceptionPC, 4 * 1, 0);
-
- hex2mem (&regs[CR_REGNUM * 4 * 2], &frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedSRR1, 4 * 1, 0);
- hex2mem (&regs[LR_REGNUM * 4 * 2], &frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedLR, 4 * 1, 0);
- hex2mem (&regs[CTR_REGNUM * 4 * 2], &frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedCTR, 4 * 1, 0);
- hex2mem (&regs[XER_REGNUM * 4 * 2], &frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedXER, 4 * 1, 0);
- hex2mem (&regs[MQ_REGNUM * 4 * 2], &frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedMQ, 4 * 1, 0);
-}
-
-
-extern volatile int mem_err;
-
-#ifdef ALTERNATE_MEM_FUNCS
-extern int ReadByteAltDebugger (char* addr, char *theByte);
-extern int WriteByteAltDebugger (char* addr, char theByte);
-int
-get_char (char *addr)
-{
- char c;
-
- if (!ReadByteAltDebugger (addr, &c))
- mem_err = 1;
-
- return c;
-}
-
-void
-set_char (char *addr, int val)
-{
- if (!WriteByteAltDebugger (addr, val))
- mem_err = 1;
-}
-#endif
-
-int
-mem_write (char *dst, char *src, int len)
-{
- while (len-- && !mem_err)
- set_char (dst++, *src++);
-
- return mem_err;
-}
-
-union inst
-{
- LONG l;
-
- struct
- {
- union
- {
- struct /* Unconditional branch */
- {
- unsigned opcode : 6; /* 18 */
- signed li : 24;
- unsigned aa : 1;
- unsigned lk : 1;
- } b;
- struct /* Conditional branch */
- {
- unsigned opcode : 6; /* 16 */
- unsigned bo : 5;
- unsigned bi : 5;
- signed bd : 14;
- unsigned aa : 1;
- unsigned lk : 1;
- } bc;
- struct /* Conditional branch to ctr or lr reg */
- {
- unsigned opcode : 6; /* 19 */
- unsigned bo : 5;
- unsigned bi : 5;
- unsigned type : 15; /* 528 = ctr, 16 = lr */
- unsigned lk : 1;
- } bclr;
- } variant;
- } inst;
-};
-
-static LONG saved_inst;
-static LONG *saved_inst_pc = 0;
-static LONG saved_target_inst;
-static LONG *saved_target_inst_pc = 0;
-
-void
-set_step_traps (struct StackFrame *frame)
-{
- union inst inst;
- LONG *target;
- int opcode;
- int ra, rb;
- LONG *pc = (LONG *)frame->ExceptionPC;
-
- inst.l = *pc++;
-
- opcode = inst.inst.variant.b.opcode;
-
- target = pc;
-
- switch (opcode)
- {
- case 18: /* Unconditional branch */
-
- if (inst.inst.variant.b.aa) /* Absolute? */
- target = 0;
- target += inst.inst.variant.b.li;
-
- break;
- case 16: /* Conditional branch */
-
- if (!inst.inst.variant.bc.aa) /* Absolute? */
- target = 0;
- target += inst.inst.variant.bc.bd;
-
- break;
- case 19: /* Cond. branch via ctr or lr reg */
- switch (inst.inst.variant.bclr.type)
- {
- case 528: /* ctr */
- target = (LONG *)frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedCTR;
- break;
- case 16: /* lr */
- target = (LONG *)frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedLR;
- break;
- }
- break;
- }
-
- saved_inst = *pc;
- mem_write (pc, breakpoint_insn, BREAKPOINT_SIZE);
- saved_inst_pc = pc;
-
- if (target != pc)
- {
- saved_target_inst = *target;
- mem_write (target, breakpoint_insn, BREAKPOINT_SIZE);
- saved_target_inst_pc = target;
- }
-}
-
-/* Remove step breakpoints. Returns non-zero if pc was at a step breakpoint,
- zero otherwise. This routine works even if there were no step breakpoints
- set. */
-
-int
-clear_step_traps (struct StackFrame *frame)
-{
- int retcode;
- LONG *pc = (LONG *)frame->ExceptionPC;
-
- if (saved_inst_pc == pc || saved_target_inst_pc == pc)
- retcode = 1;
- else
- retcode = 0;
-
- if (saved_inst_pc)
- {
- mem_write (saved_inst_pc, saved_inst, BREAKPOINT_SIZE);
- saved_inst_pc = 0;
- }
-
- if (saved_target_inst_pc)
- {
- mem_write (saved_target_inst_pc, saved_target_inst, BREAKPOINT_SIZE);
- saved_target_inst_pc = 0;
- }
-
- return retcode;
-}
-
-void
-do_status (char *ptr, struct StackFrame *frame)
-{
- int sigval;
-
- sigval = computeSignal (frame->ExceptionNumber);
-
- sprintf (ptr, "T%02x", sigval);
- ptr += 3;
-
- sprintf (ptr, "%02x:", PC_REGNUM);
- ptr = mem2hex (&frame->ExceptionPC, ptr + 3, 4, 0);
- *ptr++ = ';';
-
- sprintf (ptr, "%02x:", SP_REGNUM);
- ptr = mem2hex (&frame->ExceptionState.CsavedRegs[SP_REGNUM], ptr + 3, 4, 0);
- *ptr++ = ';';
-
- sprintf (ptr, "%02x:", LR_REGNUM);
- ptr = mem2hex (&frame->ExceptionState.CsavedRegs[LR_REGNUM], ptr + 3, 4, 0);
- *ptr++ = ';';
-
- *ptr = '\000';
-}
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