/*
* gdb server stub
- *
+ *
* Copyright (c) 2003-2005 Fabrice Bellard
*
* This library is free software; you can redistribute it and/or
registers[41] = 0; /* foseg */
registers[42] = 0; /* fooff */
registers[43] = 0; /* fop */
-
+
for(i = 0; i < 16; i++)
tswapls(®isters[i]);
for(i = 36; i < 44; i++)
registers[98] = tswapl(tmp);
registers[99] = tswapl(env->lr);
registers[100] = tswapl(env->ctr);
- registers[101] = tswapl(do_load_xer(env));
+ registers[101] = tswapl(ppc_load_xer(env));
registers[102] = 0;
return 103 * 4;
env->crf[i] = (registers[98] >> (32 - ((i + 1) * 4))) & 0xF;
env->lr = tswapl(registers[99]);
env->ctr = tswapl(registers[100]);
- do_store_xer(env, tswapl(registers[101]));
+ ppc_store_xer(env, tswapl(registers[101]));
}
#elif defined (TARGET_SPARC)
static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf)
for (i = 0; i < 64; i += 2) {
uint64_t tmp;
- tmp = (uint64_t)tswap32(*((uint32_t *)&env->fpr[i])) << 32;
- tmp |= tswap32(*((uint32_t *)&env->fpr[i + 1]));
- registers[i/2 + 32] = tmp;
+ tmp = ((uint64_t)*(uint32_t *)&env->fpr[i]) << 32;
+ tmp |= *(uint32_t *)&env->fpr[i + 1];
+ registers[i / 2 + 32] = tswap64(tmp);
}
registers[64] = tswapl(env->pc);
registers[65] = tswapl(env->npc);
- registers[66] = tswapl(env->tstate[env->tl]);
+ registers[66] = tswapl(((uint64_t)GET_CCR(env) << 32) |
+ ((env->asi & 0xff) << 24) |
+ ((env->pstate & 0xfff) << 8) |
+ GET_CWP64(env));
registers[67] = tswapl(env->fsr);
registers[68] = tswapl(env->fprs);
registers[69] = tswapl(env->y);
env->fsr = tswapl(registers[70]);
#else
for (i = 0; i < 64; i += 2) {
- *((uint32_t *)&env->fpr[i]) = tswap32(registers[i/2 + 32] >> 32);
- *((uint32_t *)&env->fpr[i + 1]) = tswap32(registers[i/2 + 32] & 0xffffffff);
+ uint64_t tmp;
+
+ tmp = tswap64(registers[i / 2 + 32]);
+ *((uint32_t *)&env->fpr[i]) = tmp >> 32;
+ *((uint32_t *)&env->fpr[i + 1]) = tmp & 0xffffffff;
}
env->pc = tswapl(registers[64]);
env->npc = tswapl(registers[65]);
- env->tstate[env->tl] = tswapl(registers[66]);
+ {
+ uint64_t tmp = tswapl(registers[66]);
+
+ PUT_CCR(env, tmp >> 32);
+ env->asi = (tmp >> 24) & 0xff;
+ env->pstate = (tmp >> 8) & 0xfff;
+ PUT_CWP64(env, tmp & 0xff);
+ }
env->fsr = tswapl(registers[67]);
env->fprs = tswapl(registers[68]);
env->y = tswapl(registers[69]);
/* F0-F7. The 68881/68040 have 12-bit extended precision registers.
ColdFire has 8-bit double precision registers. */
for (i = 0; i < 8; i++) {
- u.l.upper = tswap32(*(uint32_t *)ptr);
+ u.l.upper = tswap32(*(uint32_t *)ptr);
u.l.lower = tswap32(*(uint32_t *)ptr);
env->fregs[i] = u.d;
}
ptr = mem_buf;
for (i = 0; i < 32; i++)
{
- *(uint32_t *)ptr = tswapl(env->gpr[i]);
- ptr += 4;
+ *(target_ulong *)ptr = tswapl(env->gpr[i][env->current_tc]);
+ ptr += sizeof(target_ulong);
}
- *(uint32_t *)ptr = tswapl(env->CP0_Status);
- ptr += 4;
+ *(target_ulong *)ptr = tswapl(env->CP0_Status);
+ ptr += sizeof(target_ulong);
- *(uint32_t *)ptr = tswapl(env->LO);
- ptr += 4;
+ *(target_ulong *)ptr = tswapl(env->LO[0][env->current_tc]);
+ ptr += sizeof(target_ulong);
- *(uint32_t *)ptr = tswapl(env->HI);
- ptr += 4;
+ *(target_ulong *)ptr = tswapl(env->HI[0][env->current_tc]);
+ ptr += sizeof(target_ulong);
- *(uint32_t *)ptr = tswapl(env->CP0_BadVAddr);
- ptr += 4;
+ *(target_ulong *)ptr = tswapl(env->CP0_BadVAddr);
+ ptr += sizeof(target_ulong);
- *(uint32_t *)ptr = tswapl(env->CP0_Cause);
- ptr += 4;
+ *(target_ulong *)ptr = tswapl(env->CP0_Cause);
+ ptr += sizeof(target_ulong);
- *(uint32_t *)ptr = tswapl(env->PC);
- ptr += 4;
+ *(target_ulong *)ptr = tswapl(env->PC[env->current_tc]);
+ ptr += sizeof(target_ulong);
-#ifdef MIPS_USES_FPU
- for (i = 0; i < 32; i++)
+ if (env->CP0_Config1 & (1 << CP0C1_FP))
{
- *(uint32_t *)ptr = tswapl(FPR_W (env, i));
- ptr += 4;
- }
+ for (i = 0; i < 32; i++)
+ {
+ *(target_ulong *)ptr = tswapl(env->fpu->fpr[i].fs[FP_ENDIAN_IDX]);
+ ptr += sizeof(target_ulong);
+ }
- *(uint32_t *)ptr = tswapl(env->fcr31);
- ptr += 4;
+ *(target_ulong *)ptr = tswapl(env->fpu->fcr31);
+ ptr += sizeof(target_ulong);
- *(uint32_t *)ptr = tswapl(env->fcr0);
- ptr += 4;
-#endif
+ *(target_ulong *)ptr = tswapl(env->fpu->fcr0);
+ ptr += sizeof(target_ulong);
+ }
/* 32 FP registers, fsr, fir, fp. Not yet implemented. */
/* what's 'fp' mean here? */
float_round_down
};
#define RESTORE_ROUNDING_MODE \
- set_float_rounding_mode(ieee_rm[env->fcr31 & 3], &env->fp_status)
+ set_float_rounding_mode(ieee_rm[env->fpu->fcr31 & 3], &env->fpu->fp_status)
static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size)
{
ptr = mem_buf;
for (i = 0; i < 32; i++)
{
- env->gpr[i] = tswapl(*(uint32_t *)ptr);
- ptr += 4;
+ env->gpr[i][env->current_tc] = tswapl(*(target_ulong *)ptr);
+ ptr += sizeof(target_ulong);
}
- env->CP0_Status = tswapl(*(uint32_t *)ptr);
- ptr += 4;
+ env->CP0_Status = tswapl(*(target_ulong *)ptr);
+ ptr += sizeof(target_ulong);
- env->LO = tswapl(*(uint32_t *)ptr);
- ptr += 4;
+ env->LO[0][env->current_tc] = tswapl(*(target_ulong *)ptr);
+ ptr += sizeof(target_ulong);
- env->HI = tswapl(*(uint32_t *)ptr);
- ptr += 4;
+ env->HI[0][env->current_tc] = tswapl(*(target_ulong *)ptr);
+ ptr += sizeof(target_ulong);
- env->CP0_BadVAddr = tswapl(*(uint32_t *)ptr);
- ptr += 4;
+ env->CP0_BadVAddr = tswapl(*(target_ulong *)ptr);
+ ptr += sizeof(target_ulong);
- env->CP0_Cause = tswapl(*(uint32_t *)ptr);
- ptr += 4;
+ env->CP0_Cause = tswapl(*(target_ulong *)ptr);
+ ptr += sizeof(target_ulong);
- env->PC = tswapl(*(uint32_t *)ptr);
- ptr += 4;
+ env->PC[env->current_tc] = tswapl(*(target_ulong *)ptr);
+ ptr += sizeof(target_ulong);
-#ifdef MIPS_USES_FPU
- for (i = 0; i < 32; i++)
+ if (env->CP0_Config1 & (1 << CP0C1_FP))
{
- FPR_W (env, i) = tswapl(*(uint32_t *)ptr);
- ptr += 4;
- }
+ for (i = 0; i < 32; i++)
+ {
+ env->fpu->fpr[i].fs[FP_ENDIAN_IDX] = tswapl(*(target_ulong *)ptr);
+ ptr += sizeof(target_ulong);
+ }
- env->fcr31 = tswapl(*(uint32_t *)ptr) & 0x0183FFFF;
- ptr += 4;
+ env->fpu->fcr31 = tswapl(*(target_ulong *)ptr) & 0x0183FFFF;
+ ptr += sizeof(target_ulong);
- env->fcr0 = tswapl(*(uint32_t *)ptr);
- ptr += 4;
+ env->fpu->fcr0 = tswapl(*(target_ulong *)ptr);
+ ptr += sizeof(target_ulong);
- /* set rounding mode */
- RESTORE_ROUNDING_MODE;
+ /* set rounding mode */
+ RESTORE_ROUNDING_MODE;
#ifndef CONFIG_SOFTFLOAT
- /* no floating point exception for native float */
- SET_FP_ENABLE(env->fcr31, 0);
-#endif
+ /* no floating point exception for native float */
+ SET_FP_ENABLE(env->fcr31, 0);
#endif
+ }
}
#elif defined (TARGET_SH4)
+
+/* Hint: Use "set architecture sh4" in GDB to see fpu registers */
+
static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf)
{
uint32_t *ptr = (uint32_t *)mem_buf;
SAVE (env->mach);
SAVE (env->macl);
SAVE (env->sr);
- SAVE (0); /* TICKS */
- SAVE (0); /* STALLS */
- SAVE (0); /* CYCLES */
- SAVE (0); /* INSTS */
- SAVE (0); /* PLR */
-
+ SAVE (env->fpul);
+ SAVE (env->fpscr);
+ for (i = 0; i < 16; i++)
+ SAVE(env->fregs[i + ((env->fpscr & FPSCR_FR) ? 16 : 0)]);
+ SAVE (env->ssr);
+ SAVE (env->spc);
+ for (i = 0; i < 8; i++) SAVE(env->gregs[i]);
+ for (i = 0; i < 8; i++) SAVE(env->gregs[i + 16]);
return ((uint8_t *)ptr - mem_buf);
}
LOAD (env->mach);
LOAD (env->macl);
LOAD (env->sr);
+ LOAD (env->fpul);
+ LOAD (env->fpscr);
+ for (i = 0; i < 16; i++)
+ LOAD(env->fregs[i + ((env->fpscr & FPSCR_FR) ? 16 : 0)]);
+ LOAD (env->ssr);
+ LOAD (env->spc);
+ for (i = 0; i < 8; i++) LOAD(env->gregs[i]);
+ for (i = 0; i < 8; i++) LOAD(env->gregs[i + 16]);
}
#else
static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf)
uint8_t mem_buf[2000];
uint32_t *registers;
target_ulong addr, len;
-
+
#ifdef DEBUG_GDB
printf("command='%s'\n", line_buf);
#endif
#elif defined (TARGET_ARM)
env->regs[15] = addr;
#elif defined (TARGET_SH4)
- env->pc = addr;
+ env->pc = addr;
+#elif defined (TARGET_MIPS)
+ env->PC[env->current_tc] = addr;
#endif
}
#ifdef CONFIG_USER_ONLY
return RS_IDLE;
case 's':
if (*p != '\0') {
- addr = strtoul(p, (char **)&p, 16);
+ addr = strtoull(p, (char **)&p, 16);
#if defined(TARGET_I386)
env->eip = addr;
#elif defined (TARGET_PPC)
#elif defined (TARGET_ARM)
env->regs[15] = addr;
#elif defined (TARGET_SH4)
- env->pc = addr;
+ env->pc = addr;
+#elif defined (TARGET_MIPS)
+ env->PC[env->current_tc] = addr;
#endif
}
cpu_single_step(env, 1);
if (cpu_breakpoint_insert(env, addr) < 0)
goto breakpoint_error;
put_packet(s, "OK");
+#ifndef CONFIG_USER_ONLY
+ } else if (type == 2) {
+ if (cpu_watchpoint_insert(env, addr) < 0)
+ goto breakpoint_error;
+ put_packet(s, "OK");
+#endif
} else {
breakpoint_error:
put_packet(s, "E22");
if (type == 0 || type == 1) {
cpu_breakpoint_remove(env, addr);
put_packet(s, "OK");
+#ifndef CONFIG_USER_ONLY
+ } else if (type == 2) {
+ cpu_watchpoint_remove(env, addr);
+ put_packet(s, "OK");
+#endif
} else {
goto breakpoint_error;
}
if (strncmp(p, "Offsets", 7) == 0) {
TaskState *ts = env->opaque;
- sprintf(buf, "Text=%x;Data=%x;Bss=%x", ts->info->code_offset,
- ts->info->data_offset, ts->info->data_offset);
+ sprintf(buf,
+ "Text=" TARGET_FMT_lx ";Data=" TARGET_FMT_lx ";Bss=" TARGET_FMT_lx,
+ ts->info->code_offset,
+ ts->info->data_offset,
+ ts->info->data_offset);
put_packet(s, buf);
break;
}
cpu_single_step(s->env, 0);
if (reason == EXCP_DEBUG) {
+ if (s->env->watchpoint_hit) {
+ snprintf(buf, sizeof(buf), "T%02xwatch:" TARGET_FMT_lx ";",
+ SIGTRAP,
+ s->env->watchpoint[s->env->watchpoint_hit - 1].vaddr);
+ put_packet(s, buf);
+ s->env->watchpoint_hit = 0;
+ return;
+ }
tb_flush(s->env);
ret = SIGTRAP;
} else if (reason == EXCP_INTERRUPT) {
/* Send a gdb syscall request.
This accepts limited printf-style format specifiers, specifically:
- %x - target_ulong argument printed in hex.
- %s - string pointer (target_ulong) and length (int) pair. */
+ %x - target_ulong argument printed in hex.
+ %lx - 64-bit argument printed in hex.
+ %s - string pointer (target_ulong) and length (int) pair. */
void gdb_do_syscall(gdb_syscall_complete_cb cb, char *fmt, ...)
{
va_list va;
char buf[256];
char *p;
target_ulong addr;
+ uint64_t i64;
GDBState *s;
s = gdb_syscall_state;
addr = va_arg(va, target_ulong);
p += sprintf(p, TARGET_FMT_lx, addr);
break;
+ case 'l':
+ if (*(fmt++) != 'x')
+ goto bad_format;
+ i64 = va_arg(va, uint64_t);
+ p += sprintf(p, "%" PRIx64, i64);
+ break;
case 's':
addr = va_arg(va, target_ulong);
p += sprintf(p, TARGET_FMT_lx "/%x", addr, va_arg(va, int));
break;
default:
+ bad_format:
fprintf(stderr, "gdbstub: Bad syscall format string '%s'\n",
fmt - 1);
break;
*(p++) = *(fmt++);
}
}
+ *p = 0;
va_end(va);
put_packet(s, buf);
#ifdef CONFIG_USER_ONLY
/* when the CPU is running, we cannot do anything except stop
it when receiving a char */
vm_stop(EXCP_INTERRUPT);
- } else
+ } else
#endif
{
switch(s->state) {
/* set short latency */
val = 1;
setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
-
+
s = &gdbserver_state;
memset (s, 0, sizeof (GDBState));
s->env = first_cpu; /* XXX: allow to change CPU */
return 0;
}
#else
-static int gdb_chr_can_recieve(void *opaque)
+static int gdb_chr_can_receive(void *opaque)
{
return 1;
}
-static void gdb_chr_recieve(void *opaque, const uint8_t *buf, int size)
+static void gdb_chr_receive(void *opaque, const uint8_t *buf, int size)
{
GDBState *s = opaque;
int i;
}
}
-int gdbserver_start(CharDriverState *chr)
+int gdbserver_start(const char *port)
{
GDBState *s;
+ char gdbstub_port_name[128];
+ int port_num;
+ char *p;
+ CharDriverState *chr;
+ if (!port || !*port)
+ return -1;
+
+ port_num = strtol(port, &p, 10);
+ if (*p == 0) {
+ /* A numeric value is interpreted as a port number. */
+ snprintf(gdbstub_port_name, sizeof(gdbstub_port_name),
+ "tcp::%d,nowait,nodelay,server", port_num);
+ port = gdbstub_port_name;
+ }
+
+ chr = qemu_chr_open(port);
if (!chr)
return -1;
}
s->env = first_cpu; /* XXX: allow to change CPU */
s->chr = chr;
- qemu_chr_add_handlers(chr, gdb_chr_can_recieve, gdb_chr_recieve,
+ qemu_chr_add_handlers(chr, gdb_chr_can_receive, gdb_chr_receive,
gdb_chr_event, s);
qemu_add_vm_stop_handler(gdb_vm_stopped, s);
return 0;
}
-
-int gdbserver_start_port(int port)
-{
- CharDriverState *chr;
- char gdbstub_port_name[128];
-
- snprintf(gdbstub_port_name, sizeof(gdbstub_port_name),
- "tcp::%d,nowait,nodelay,server", port);
- chr = qemu_chr_open(gdbstub_port_name);
- if (!chr)
- return -EIO;
- return gdbserver_start(chr);
-}
-
#endif
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