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https://github.com/xemu-project/xemu.git
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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
parent
f3659eee05
commit
2e0f2cfba6
104
gdbstub.c
104
gdbstub.c
@ -288,8 +288,8 @@ enum RSState {
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RS_CHKSUM2,
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};
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typedef struct GDBState {
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CPUArchState *c_cpu; /* current CPU for step/continue ops */
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CPUArchState *g_cpu; /* current CPU for other ops */
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CPUState *c_cpu; /* current CPU for step/continue ops */
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CPUState *g_cpu; /* current CPU for other ops */
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CPUState *query_cpu; /* for q{f|s}ThreadInfo */
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enum RSState state; /* parsing state */
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char line_buf[MAX_PACKET_LENGTH];
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@ -1958,8 +1958,7 @@ static int gdb_breakpoint_insert(target_ulong addr, target_ulong len, int type)
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int err = 0;
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if (kvm_enabled()) {
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return kvm_insert_breakpoint(ENV_GET_CPU(gdbserver_state->c_cpu),
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addr, len, type);
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return kvm_insert_breakpoint(gdbserver_state->c_cpu, addr, len, type);
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}
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switch (type) {
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@ -1997,8 +1996,7 @@ static int gdb_breakpoint_remove(target_ulong addr, target_ulong len, int type)
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int err = 0;
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if (kvm_enabled()) {
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return kvm_remove_breakpoint(ENV_GET_CPU(gdbserver_state->c_cpu),
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addr, len, type);
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return kvm_remove_breakpoint(gdbserver_state->c_cpu, addr, len, type);
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}
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switch (type) {
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@ -2034,7 +2032,7 @@ static void gdb_breakpoint_remove_all(void)
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CPUArchState *env;
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if (kvm_enabled()) {
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kvm_remove_all_breakpoints(ENV_GET_CPU(gdbserver_state->c_cpu));
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kvm_remove_all_breakpoints(gdbserver_state->c_cpu);
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return;
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}
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@ -2049,7 +2047,7 @@ static void gdb_breakpoint_remove_all(void)
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static void gdb_set_cpu_pc(GDBState *s, target_ulong pc)
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{
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CPUState *cpu = ENV_GET_CPU(s->c_cpu);
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CPUState *cpu = s->c_cpu;
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CPUClass *cc = CPU_GET_CLASS(cpu);
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cpu_synchronize_state(cpu);
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@ -2058,13 +2056,13 @@ static void gdb_set_cpu_pc(GDBState *s, target_ulong pc)
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}
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}
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static CPUArchState *find_cpu(uint32_t thread_id)
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static CPUState *find_cpu(uint32_t thread_id)
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{
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CPUState *cpu;
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for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) {
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if (cpu_index(cpu) == thread_id) {
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return cpu->env_ptr;
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return cpu;
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}
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}
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@ -2073,7 +2071,10 @@ static CPUArchState *find_cpu(uint32_t thread_id)
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static int gdb_handle_packet(GDBState *s, const char *line_buf)
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{
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#ifdef TARGET_XTENSA
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CPUArchState *env;
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#endif
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CPUState *cpu;
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const char *p;
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uint32_t thread;
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int ch, reg_size, type, res;
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@ -2091,7 +2092,7 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
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case '?':
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/* TODO: Make this return the correct value for user-mode. */
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snprintf(buf, sizeof(buf), "T%02xthread:%02x;", GDB_SIGNAL_TRAP,
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cpu_index(ENV_GET_CPU(s->c_cpu)));
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cpu_index(s->c_cpu));
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put_packet(s, buf);
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/* Remove all the breakpoints when this query is issued,
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* because gdb is doing and initial connect and the state
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@ -2153,15 +2154,15 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
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}
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if (res) {
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if (res_thread != -1 && res_thread != 0) {
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env = find_cpu(res_thread);
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if (env == NULL) {
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cpu = find_cpu(res_thread);
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if (cpu == NULL) {
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put_packet(s, "E22");
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break;
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}
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s->c_cpu = env;
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s->c_cpu = cpu;
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}
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if (res == 's') {
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cpu_single_step(ENV_GET_CPU(s->c_cpu), sstep_flags);
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cpu_single_step(s->c_cpu, sstep_flags);
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}
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s->signal = res_signal;
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gdb_continue(s);
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@ -2189,7 +2190,7 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
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addr = strtoull(p, (char **)&p, 16);
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gdb_set_cpu_pc(s, addr);
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}
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cpu_single_step(ENV_GET_CPU(s->c_cpu), sstep_flags);
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cpu_single_step(s->c_cpu, sstep_flags);
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gdb_continue(s);
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return RS_IDLE;
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case 'F':
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@ -2208,7 +2209,7 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
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p++;
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type = *p;
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if (s->current_syscall_cb) {
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s->current_syscall_cb(ENV_GET_CPU(s->c_cpu), ret, err);
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s->current_syscall_cb(s->c_cpu, ret, err);
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s->current_syscall_cb = NULL;
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}
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if (type == 'C') {
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@ -2219,26 +2220,28 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
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}
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break;
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case 'g':
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cpu_synchronize_state(ENV_GET_CPU(s->g_cpu));
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env = s->g_cpu;
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cpu_synchronize_state(s->g_cpu);
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#ifdef TARGET_XTENSA
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env = s->g_cpu->env_ptr;
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#endif
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len = 0;
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for (addr = 0; addr < num_g_regs; addr++) {
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reg_size = gdb_read_register(ENV_GET_CPU(s->g_cpu),
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mem_buf + len, addr);
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reg_size = gdb_read_register(s->g_cpu, mem_buf + len, addr);
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len += reg_size;
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}
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memtohex(buf, mem_buf, len);
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put_packet(s, buf);
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break;
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case 'G':
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cpu_synchronize_state(ENV_GET_CPU(s->g_cpu));
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env = s->g_cpu;
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cpu_synchronize_state(s->g_cpu);
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#ifdef TARGET_XTENSA
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env = s->g_cpu->env_ptr;
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#endif
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registers = mem_buf;
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len = strlen(p) / 2;
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hextomem((uint8_t *)registers, p, len);
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for (addr = 0; addr < num_g_regs && len > 0; addr++) {
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reg_size = gdb_write_register(ENV_GET_CPU(s->g_cpu), registers,
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addr);
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reg_size = gdb_write_register(s->g_cpu, registers, addr);
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len -= reg_size;
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registers += reg_size;
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}
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@ -2249,8 +2252,7 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
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if (*p == ',')
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p++;
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len = strtoull(p, NULL, 16);
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if (target_memory_rw_debug(ENV_GET_CPU(s->g_cpu), addr, mem_buf, len,
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false) != 0) {
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if (target_memory_rw_debug(s->g_cpu, addr, mem_buf, len, false) != 0) {
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put_packet (s, "E14");
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} else {
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memtohex(buf, mem_buf, len);
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@ -2265,7 +2267,7 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
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if (*p == ':')
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p++;
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hextomem(mem_buf, p, len);
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if (target_memory_rw_debug(ENV_GET_CPU(s->g_cpu), addr, mem_buf, len,
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if (target_memory_rw_debug(s->g_cpu, addr, mem_buf, len,
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true) != 0) {
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put_packet(s, "E14");
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} else {
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@ -2279,7 +2281,7 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
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if (!gdb_has_xml)
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goto unknown_command;
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addr = strtoull(p, (char **)&p, 16);
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reg_size = gdb_read_register(ENV_GET_CPU(s->g_cpu), mem_buf, addr);
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reg_size = gdb_read_register(s->g_cpu, mem_buf, addr);
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if (reg_size) {
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memtohex(buf, mem_buf, reg_size);
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put_packet(s, buf);
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@ -2295,7 +2297,7 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
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p++;
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reg_size = strlen(p) / 2;
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hextomem(mem_buf, p, reg_size);
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gdb_write_register(ENV_GET_CPU(s->g_cpu), mem_buf, addr);
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gdb_write_register(s->g_cpu, mem_buf, addr);
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put_packet(s, "OK");
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break;
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case 'Z':
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@ -2325,18 +2327,18 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
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put_packet(s, "OK");
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break;
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}
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env = find_cpu(thread);
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if (env == NULL) {
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cpu = find_cpu(thread);
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if (cpu == NULL) {
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put_packet(s, "E22");
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break;
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}
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switch (type) {
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case 'c':
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s->c_cpu = env;
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s->c_cpu = cpu;
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put_packet(s, "OK");
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break;
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case 'g':
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s->g_cpu = env;
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s->g_cpu = cpu;
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put_packet(s, "OK");
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break;
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default:
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@ -2346,9 +2348,9 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
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break;
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case 'T':
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thread = strtoull(p, (char **)&p, 16);
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env = find_cpu(thread);
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cpu = find_cpu(thread);
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if (env != NULL) {
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if (cpu != NULL) {
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put_packet(s, "OK");
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} else {
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put_packet(s, "E22");
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@ -2398,9 +2400,8 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
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break;
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} else if (strncmp(p,"ThreadExtraInfo,", 16) == 0) {
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thread = strtoull(p+16, (char **)&p, 16);
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env = find_cpu(thread);
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if (env != NULL) {
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CPUState *cpu = ENV_GET_CPU(env);
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cpu = find_cpu(thread);
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if (cpu != NULL) {
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cpu_synchronize_state(cpu);
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len = snprintf((char *)mem_buf, sizeof(mem_buf),
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"CPU#%d [%s]", cpu->cpu_index,
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@ -2412,7 +2413,8 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
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}
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#ifdef CONFIG_USER_ONLY
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else if (strncmp(p, "Offsets", 7) == 0) {
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TaskState *ts = s->c_cpu->opaque;
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CPUArchState *env = s->c_cpu->env_ptr;
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TaskState *ts = env->opaque;
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snprintf(buf, sizeof(buf),
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"Text=" TARGET_ABI_FMT_lx ";Data=" TARGET_ABI_FMT_lx
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@ -2502,18 +2504,16 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
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void gdb_set_stop_cpu(CPUState *cpu)
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{
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CPUArchState *env = cpu->env_ptr;
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gdbserver_state->c_cpu = env;
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gdbserver_state->g_cpu = env;
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gdbserver_state->c_cpu = cpu;
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gdbserver_state->g_cpu = cpu;
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}
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#ifndef CONFIG_USER_ONLY
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static void gdb_vm_state_change(void *opaque, int running, RunState state)
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{
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GDBState *s = gdbserver_state;
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CPUArchState *env = s->c_cpu;
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CPUState *cpu = ENV_GET_CPU(env);
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CPUArchState *env = s->c_cpu->env_ptr;
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CPUState *cpu = s->c_cpu;
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char buf[256];
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const char *type;
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int ret;
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@ -2643,7 +2643,7 @@ void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...)
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va_end(va);
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#ifdef CONFIG_USER_ONLY
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put_packet(s, s->syscall_buf);
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gdb_handlesig(ENV_GET_CPU(s->c_cpu), 0);
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gdb_handlesig(s->c_cpu, 0);
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#else
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/* In this case wait to send the syscall packet until notification that
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the CPU has stopped. This must be done because if the packet is sent
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@ -2651,7 +2651,7 @@ void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...)
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is still in the running state, which can cause packets to be dropped
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and state transition 'T' packets to be sent while the syscall is still
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being processed. */
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cpu_exit(ENV_GET_CPU(s->c_cpu));
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cpu_exit(s->c_cpu);
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#endif
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}
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@ -2860,8 +2860,8 @@ static void gdb_accept(void)
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socket_set_nodelay(fd);
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s = g_malloc0(sizeof(GDBState));
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s->c_cpu = first_cpu->env_ptr;
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s->g_cpu = first_cpu->env_ptr;
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s->c_cpu = first_cpu;
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s->g_cpu = first_cpu;
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s->fd = fd;
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gdb_has_xml = 0;
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@ -3045,8 +3045,8 @@ int gdbserver_start(const char *device)
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mon_chr = s->mon_chr;
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memset(s, 0, sizeof(GDBState));
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}
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s->c_cpu = first_cpu->env_ptr;
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s->g_cpu = first_cpu->env_ptr;
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s->c_cpu = first_cpu;
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s->g_cpu = first_cpu;
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s->chr = chr;
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s->state = chr ? RS_IDLE : RS_INACTIVE;
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s->mon_chr = mon_chr;
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