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gdbstub: Implement write 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: <20190529064148.19856-13-arilou@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
This commit is contained in:
Jon Doron 2019-05-29 09:41:40 +03:00 committed by Alex Bennée
parent da92e2360e
commit 287ca120bd
1 changed files with 31 additions and 10 deletions
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41
gdbstub.c
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@ -1755,6 +1755,29 @@ static void handle_read_mem(GdbCmdContext *gdb_ctx, void *user_ctx)
put_packet(gdb_ctx->s, gdb_ctx->str_buf);
}
static void handle_write_all_regs(GdbCmdContext *gdb_ctx, void *user_ctx)
{
target_ulong addr, len;
uint8_t *registers;
int reg_size;
if (!gdb_ctx->num_params) {
return;
}
cpu_synchronize_state(gdb_ctx->s->g_cpu);
registers = gdb_ctx->mem_buf;
len = strlen(gdb_ctx->params[0].data) / 2;
hextomem(registers, gdb_ctx->params[0].data, len);
for (addr = 0; addr < gdb_ctx->s->g_cpu->gdb_num_g_regs && len > 0;
addr++) {
reg_size = gdb_write_register(gdb_ctx->s->g_cpu, registers, addr);
len -= reg_size;
registers += reg_size;
}
put_packet(gdb_ctx->s, "OK");
}
static int gdb_handle_packet(GDBState *s, const char *line_buf)
{
CPUState *cpu;
@ -1766,7 +1789,6 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
uint8_t mem_buf[MAX_PACKET_LENGTH];
char buf[sizeof(mem_buf) + 1 /* trailing NUL */];
char thread_id[16];
uint8_t *registers;
target_ulong addr, len;
const GdbCmdParseEntry *cmd_parser = NULL;
@ -1932,16 +1954,15 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
put_packet(s, buf);
break;
case 'G':
cpu_synchronize_state(s->g_cpu);
registers = mem_buf;
len = strlen(p) / 2;
hextomem((uint8_t *)registers, p, len);
for (addr = 0; addr < s->g_cpu->gdb_num_g_regs && len > 0; addr++) {
reg_size = gdb_write_register(s->g_cpu, registers, addr);
len -= reg_size;
registers += reg_size;
{
static const GdbCmdParseEntry write_all_regs_cmd_desc = {
.handler = handle_write_all_regs,
.cmd = "G",
.cmd_startswith = 1,
.schema = "s0"
};
cmd_parser = &write_all_regs_cmd_desc;
}
put_packet(s, "OK");
break;
case 'm':
{