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gdbstub: Implement read all registers (g pkt) with new infra 

Signed-off-by: Jon Doron <arilou@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20190529064148.19856-14-arilou@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
This commit is contained in:
Jon Doron 2019-05-29 09:41:41 +03:00 committed by Alex Bennée
parent 287ca120bd
commit 397d137046
1 changed files with 23 additions and 8 deletions
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31
gdbstub.c
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@ -1778,6 +1778,21 @@ static void handle_write_all_regs(GdbCmdContext *gdb_ctx, void *user_ctx)
put_packet(gdb_ctx->s, "OK"); put_packet(gdb_ctx->s, "OK");
} }
static void handle_read_all_regs(GdbCmdContext *gdb_ctx, void *user_ctx)
{
target_ulong addr, len;
cpu_synchronize_state(gdb_ctx->s->g_cpu);
len = 0;
for (addr = 0; addr < gdb_ctx->s->g_cpu->gdb_num_g_regs; addr++) {
len += gdb_read_register(gdb_ctx->s->g_cpu, gdb_ctx->mem_buf + len,
addr);
}
memtohex(gdb_ctx->str_buf, gdb_ctx->mem_buf, len);
put_packet(gdb_ctx->s, gdb_ctx->str_buf);
}
static int gdb_handle_packet(GDBState *s, const char *line_buf) static int gdb_handle_packet(GDBState *s, const char *line_buf)
{ {
CPUState *cpu; CPUState *cpu;
@ -1785,7 +1800,7 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
CPUClass *cc; CPUClass *cc;
const char *p; const char *p;
uint32_t pid, tid; uint32_t pid, tid;
int ch, reg_size, type, res; int ch, type, res;
uint8_t mem_buf[MAX_PACKET_LENGTH]; uint8_t mem_buf[MAX_PACKET_LENGTH];
char buf[sizeof(mem_buf) + 1 /* trailing NUL */]; char buf[sizeof(mem_buf) + 1 /* trailing NUL */];
char thread_id[16]; char thread_id[16];
@ -1944,14 +1959,14 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
} }
break; break;
case 'g': case 'g':
cpu_synchronize_state(s->g_cpu); {
len = 0; static const GdbCmdParseEntry read_all_regs_cmd_desc = {
for (addr = 0; addr < s->g_cpu->gdb_num_g_regs; addr++) { .handler = handle_read_all_regs,
reg_size = gdb_read_register(s->g_cpu, mem_buf + len, addr); .cmd = "g",
len += reg_size; .cmd_startswith = 1
};
cmd_parser = &read_all_regs_cmd_desc;
} }
memtohex(buf, mem_buf, len);
put_packet(s, buf);
break; break;
case 'G': case 'G':
{ {