mirror of https://gitlab.com/qemu-project/qemu
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>
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da92e2360e
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41
gdbstub.c
41
gdbstub.c
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@ -1755,6 +1755,29 @@ static void handle_read_mem(GdbCmdContext *gdb_ctx, void *user_ctx)
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put_packet(gdb_ctx->s, gdb_ctx->str_buf);
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put_packet(gdb_ctx->s, gdb_ctx->str_buf);
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}
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}
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static void handle_write_all_regs(GdbCmdContext *gdb_ctx, void *user_ctx)
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{
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target_ulong addr, len;
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uint8_t *registers;
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int reg_size;
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if (!gdb_ctx->num_params) {
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return;
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}
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cpu_synchronize_state(gdb_ctx->s->g_cpu);
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registers = gdb_ctx->mem_buf;
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len = strlen(gdb_ctx->params[0].data) / 2;
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hextomem(registers, gdb_ctx->params[0].data, len);
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for (addr = 0; addr < gdb_ctx->s->g_cpu->gdb_num_g_regs && len > 0;
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addr++) {
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reg_size = gdb_write_register(gdb_ctx->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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put_packet(gdb_ctx->s, "OK");
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}
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static int gdb_handle_packet(GDBState *s, const char *line_buf)
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static int gdb_handle_packet(GDBState *s, const char *line_buf)
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{
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{
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CPUState *cpu;
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CPUState *cpu;
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@ -1766,7 +1789,6 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
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uint8_t mem_buf[MAX_PACKET_LENGTH];
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uint8_t mem_buf[MAX_PACKET_LENGTH];
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char buf[sizeof(mem_buf) + 1 /* trailing NUL */];
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char buf[sizeof(mem_buf) + 1 /* trailing NUL */];
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char thread_id[16];
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char thread_id[16];
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uint8_t *registers;
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target_ulong addr, len;
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target_ulong addr, len;
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const GdbCmdParseEntry *cmd_parser = NULL;
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const GdbCmdParseEntry *cmd_parser = NULL;
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@ -1932,16 +1954,15 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
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put_packet(s, buf);
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put_packet(s, buf);
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break;
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break;
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case 'G':
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case 'G':
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cpu_synchronize_state(s->g_cpu);
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{
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registers = mem_buf;
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static const GdbCmdParseEntry write_all_regs_cmd_desc = {
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len = strlen(p) / 2;
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.handler = handle_write_all_regs,
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hextomem((uint8_t *)registers, p, len);
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.cmd = "G",
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for (addr = 0; addr < s->g_cpu->gdb_num_g_regs && len > 0; addr++) {
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.cmd_startswith = 1,
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reg_size = gdb_write_register(s->g_cpu, registers, addr);
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.schema = "s0"
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len -= reg_size;
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};
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registers += reg_size;
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cmd_parser = &write_all_regs_cmd_desc;
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}
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}
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put_packet(s, "OK");
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break;
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break;
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case 'm':
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case 'm':
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{
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{
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