gdbstub: Change GDBState::{c,g}_cpu and find_cpu() to CPUState

Use CPUState::env_ptr where still needed.

Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-06-27 19:19:39 +02:00
parent f3659eee05
commit 2e0f2cfba6
1 changed files with 52 additions and 52 deletions

104
gdbstub.c
View File

@ -288,8 +288,8 @@ enum RSState {
RS_CHKSUM2,
};
typedef struct GDBState {
CPUArchState *c_cpu; /* current CPU for step/continue ops */
CPUArchState *g_cpu; /* current CPU for other ops */
CPUState *c_cpu; /* current CPU for step/continue ops */
CPUState *g_cpu; /* current CPU for other ops */
CPUState *query_cpu; /* for q{f|s}ThreadInfo */
enum RSState state; /* parsing state */
char line_buf[MAX_PACKET_LENGTH];
@ -1958,8 +1958,7 @@ static int gdb_breakpoint_insert(target_ulong addr, target_ulong len, int type)
int err = 0;
if (kvm_enabled()) {
return kvm_insert_breakpoint(ENV_GET_CPU(gdbserver_state->c_cpu),
addr, len, type);
return kvm_insert_breakpoint(gdbserver_state->c_cpu, addr, len, type);
}
switch (type) {
@ -1997,8 +1996,7 @@ static int gdb_breakpoint_remove(target_ulong addr, target_ulong len, int type)
int err = 0;
if (kvm_enabled()) {
return kvm_remove_breakpoint(ENV_GET_CPU(gdbserver_state->c_cpu),
addr, len, type);
return kvm_remove_breakpoint(gdbserver_state->c_cpu, addr, len, type);
}
switch (type) {
@ -2034,7 +2032,7 @@ static void gdb_breakpoint_remove_all(void)
CPUArchState *env;
if (kvm_enabled()) {
kvm_remove_all_breakpoints(ENV_GET_CPU(gdbserver_state->c_cpu));
kvm_remove_all_breakpoints(gdbserver_state->c_cpu);
return;
}
@ -2049,7 +2047,7 @@ static void gdb_breakpoint_remove_all(void)
static void gdb_set_cpu_pc(GDBState *s, target_ulong pc)
{
CPUState *cpu = ENV_GET_CPU(s->c_cpu);
CPUState *cpu = s->c_cpu;
CPUClass *cc = CPU_GET_CLASS(cpu);
cpu_synchronize_state(cpu);
@ -2058,13 +2056,13 @@ static void gdb_set_cpu_pc(GDBState *s, target_ulong pc)
}
}
static CPUArchState *find_cpu(uint32_t thread_id)
static CPUState *find_cpu(uint32_t thread_id)
{
CPUState *cpu;
for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) {
if (cpu_index(cpu) == thread_id) {
return cpu->env_ptr;
return cpu;
}
}
@ -2073,7 +2071,10 @@ static CPUArchState *find_cpu(uint32_t thread_id)
static int gdb_handle_packet(GDBState *s, const char *line_buf)
{
#ifdef TARGET_XTENSA
CPUArchState *env;
#endif
CPUState *cpu;
const char *p;
uint32_t thread;
int ch, reg_size, type, res;
@ -2091,7 +2092,7 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
case '?':
/* TODO: Make this return the correct value for user-mode. */
snprintf(buf, sizeof(buf), "T%02xthread:%02x;", GDB_SIGNAL_TRAP,
cpu_index(ENV_GET_CPU(s->c_cpu)));
cpu_index(s->c_cpu));
put_packet(s, buf);
/* Remove all the breakpoints when this query is issued,
* because gdb is doing and initial connect and the state
@ -2153,15 +2154,15 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
}
if (res) {
if (res_thread != -1 && res_thread != 0) {
env = find_cpu(res_thread);
if (env == NULL) {
cpu = find_cpu(res_thread);
if (cpu == NULL) {
put_packet(s, "E22");
break;
}
s->c_cpu = env;
s->c_cpu = cpu;
}
if (res == 's') {
cpu_single_step(ENV_GET_CPU(s->c_cpu), sstep_flags);
cpu_single_step(s->c_cpu, sstep_flags);
}
s->signal = res_signal;
gdb_continue(s);
@ -2189,7 +2190,7 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
addr = strtoull(p, (char **)&p, 16);
gdb_set_cpu_pc(s, addr);
}
cpu_single_step(ENV_GET_CPU(s->c_cpu), sstep_flags);
cpu_single_step(s->c_cpu, sstep_flags);
gdb_continue(s);
return RS_IDLE;
case 'F':
@ -2208,7 +2209,7 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
p++;
type = *p;
if (s->current_syscall_cb) {
s->current_syscall_cb(ENV_GET_CPU(s->c_cpu), ret, err);
s->current_syscall_cb(s->c_cpu, ret, err);
s->current_syscall_cb = NULL;
}
if (type == 'C') {
@ -2219,26 +2220,28 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
}
break;
case 'g':
cpu_synchronize_state(ENV_GET_CPU(s->g_cpu));
env = s->g_cpu;
cpu_synchronize_state(s->g_cpu);
#ifdef TARGET_XTENSA
env = s->g_cpu->env_ptr;
#endif
len = 0;
for (addr = 0; addr < num_g_regs; addr++) {
reg_size = gdb_read_register(ENV_GET_CPU(s->g_cpu),
mem_buf + len, addr);
reg_size = gdb_read_register(s->g_cpu, mem_buf + len, addr);
len += reg_size;
}
memtohex(buf, mem_buf, len);
put_packet(s, buf);
break;
case 'G':
cpu_synchronize_state(ENV_GET_CPU(s->g_cpu));
env = s->g_cpu;
cpu_synchronize_state(s->g_cpu);
#ifdef TARGET_XTENSA
env = s->g_cpu->env_ptr;
#endif
registers = mem_buf;
len = strlen(p) / 2;
hextomem((uint8_t *)registers, p, len);
for (addr = 0; addr < num_g_regs && len > 0; addr++) {
reg_size = gdb_write_register(ENV_GET_CPU(s->g_cpu), registers,
addr);
reg_size = gdb_write_register(s->g_cpu, registers, addr);
len -= reg_size;
registers += reg_size;
}
@ -2249,8 +2252,7 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
if (*p == ',')
p++;
len = strtoull(p, NULL, 16);
if (target_memory_rw_debug(ENV_GET_CPU(s->g_cpu), addr, mem_buf, len,
false) != 0) {
if (target_memory_rw_debug(s->g_cpu, addr, mem_buf, len, false) != 0) {
put_packet (s, "E14");
} else {
memtohex(buf, mem_buf, len);
@ -2265,7 +2267,7 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
if (*p == ':')
p++;
hextomem(mem_buf, p, len);
if (target_memory_rw_debug(ENV_GET_CPU(s->g_cpu), addr, mem_buf, len,
if (target_memory_rw_debug(s->g_cpu, addr, mem_buf, len,
true) != 0) {
put_packet(s, "E14");
} else {
@ -2279,7 +2281,7 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
if (!gdb_has_xml)
goto unknown_command;
addr = strtoull(p, (char **)&p, 16);
reg_size = gdb_read_register(ENV_GET_CPU(s->g_cpu), mem_buf, addr);
reg_size = gdb_read_register(s->g_cpu, mem_buf, addr);
if (reg_size) {
memtohex(buf, mem_buf, reg_size);
put_packet(s, buf);
@ -2295,7 +2297,7 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
p++;
reg_size = strlen(p) / 2;
hextomem(mem_buf, p, reg_size);
gdb_write_register(ENV_GET_CPU(s->g_cpu), mem_buf, addr);
gdb_write_register(s->g_cpu, mem_buf, addr);
put_packet(s, "OK");
break;
case 'Z':
@ -2325,18 +2327,18 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
put_packet(s, "OK");
break;
}
env = find_cpu(thread);
if (env == NULL) {
cpu = find_cpu(thread);
if (cpu == NULL) {
put_packet(s, "E22");
break;
}
switch (type) {
case 'c':
s->c_cpu = env;
s->c_cpu = cpu;
put_packet(s, "OK");
break;
case 'g':
s->g_cpu = env;
s->g_cpu = cpu;
put_packet(s, "OK");
break;
default:
@ -2346,9 +2348,9 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
break;
case 'T':
thread = strtoull(p, (char **)&p, 16);
env = find_cpu(thread);
cpu = find_cpu(thread);
if (env != NULL) {
if (cpu != NULL) {
put_packet(s, "OK");
} else {
put_packet(s, "E22");
@ -2398,9 +2400,8 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
break;
} else if (strncmp(p,"ThreadExtraInfo,", 16) == 0) {
thread = strtoull(p+16, (char **)&p, 16);
env = find_cpu(thread);
if (env != NULL) {
CPUState *cpu = ENV_GET_CPU(env);
cpu = find_cpu(thread);
if (cpu != NULL) {
cpu_synchronize_state(cpu);
len = snprintf((char *)mem_buf, sizeof(mem_buf),
"CPU#%d [%s]", cpu->cpu_index,
@ -2412,7 +2413,8 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
}
#ifdef CONFIG_USER_ONLY
else if (strncmp(p, "Offsets", 7) == 0) {
TaskState *ts = s->c_cpu->opaque;
CPUArchState *env = s->c_cpu->env_ptr;
TaskState *ts = env->opaque;
snprintf(buf, sizeof(buf),
"Text=" TARGET_ABI_FMT_lx ";Data=" TARGET_ABI_FMT_lx
@ -2502,18 +2504,16 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
void gdb_set_stop_cpu(CPUState *cpu)
{
CPUArchState *env = cpu->env_ptr;
gdbserver_state->c_cpu = env;
gdbserver_state->g_cpu = env;
gdbserver_state->c_cpu = cpu;
gdbserver_state->g_cpu = cpu;
}
#ifndef CONFIG_USER_ONLY
static void gdb_vm_state_change(void *opaque, int running, RunState state)
{
GDBState *s = gdbserver_state;
CPUArchState *env = s->c_cpu;
CPUState *cpu = ENV_GET_CPU(env);
CPUArchState *env = s->c_cpu->env_ptr;
CPUState *cpu = s->c_cpu;
char buf[256];
const char *type;
int ret;
@ -2643,7 +2643,7 @@ void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...)
va_end(va);
#ifdef CONFIG_USER_ONLY
put_packet(s, s->syscall_buf);
gdb_handlesig(ENV_GET_CPU(s->c_cpu), 0);
gdb_handlesig(s->c_cpu, 0);
#else
/* In this case wait to send the syscall packet until notification that
the CPU has stopped. This must be done because if the packet is sent
@ -2651,7 +2651,7 @@ void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...)
is still in the running state, which can cause packets to be dropped
and state transition 'T' packets to be sent while the syscall is still
being processed. */
cpu_exit(ENV_GET_CPU(s->c_cpu));
cpu_exit(s->c_cpu);
#endif
}
@ -2860,8 +2860,8 @@ static void gdb_accept(void)
socket_set_nodelay(fd);
s = g_malloc0(sizeof(GDBState));
s->c_cpu = first_cpu->env_ptr;
s->g_cpu = first_cpu->env_ptr;
s->c_cpu = first_cpu;
s->g_cpu = first_cpu;
s->fd = fd;
gdb_has_xml = 0;
@ -3045,8 +3045,8 @@ int gdbserver_start(const char *device)
mon_chr = s->mon_chr;
memset(s, 0, sizeof(GDBState));
}
s->c_cpu = first_cpu->env_ptr;
s->g_cpu = first_cpu->env_ptr;
s->c_cpu = first_cpu;
s->g_cpu = first_cpu;
s->chr = chr;
s->state = chr ? RS_IDLE : RS_INACTIVE;
s->mon_chr = mon_chr;