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Re: [Qemu-devel] [PATCH v12 08/20] gdbstub: Implement set register (P pk
From: |
Alex Bennée |
Subject: |
Re: [Qemu-devel] [PATCH v12 08/20] gdbstub: Implement set register (P pkt) with new infra |
Date: |
Fri, 31 May 2019 14:37:08 +0100 |
User-agent: |
mu4e 1.3.2; emacs 26.1 |
Jon Doron <address@hidden> writes:
> Signed-off-by: Jon Doron <address@hidden>
Reviewed-by: Alex Bennée <address@hidden>
> ---
> gdbstub.c | 39 ++++++++++++++++++++++++++++++---------
> 1 file changed, 30 insertions(+), 9 deletions(-)
>
> diff --git a/gdbstub.c b/gdbstub.c
> index 572222bfa4..fc9526b3f5 100644
> --- a/gdbstub.c
> +++ b/gdbstub.c
> @@ -1651,6 +1651,27 @@ static void handle_remove_bp(GdbCmdContext *gdb_ctx,
> void *user_ctx)
> put_packet(gdb_ctx->s, "E22");
> }
>
> +static void handle_set_reg(GdbCmdContext *gdb_ctx, void *user_ctx)
> +{
> + int reg_size;
> +
> + if (!gdb_has_xml) {
> + put_packet(gdb_ctx->s, "E00");
> + return;
> + }
> +
> + if (gdb_ctx->num_params != 2) {
> + put_packet(gdb_ctx->s, "E22");
> + return;
> + }
> +
> + reg_size = strlen(gdb_ctx->params[1].data) / 2;
> + hextomem(gdb_ctx->mem_buf, gdb_ctx->params[1].data, reg_size);
> + gdb_write_register(gdb_ctx->s->g_cpu, gdb_ctx->mem_buf,
> + gdb_ctx->params[0].val_ull);
> + put_packet(gdb_ctx->s, "OK");
> +}
> +
> static int gdb_handle_packet(GDBState *s, const char *line_buf)
> {
> CPUState *cpu;
> @@ -1895,15 +1916,15 @@ static int gdb_handle_packet(GDBState *s, const char
> *line_buf)
> }
> break;
> case 'P':
> - if (!gdb_has_xml)
> - goto unknown_command;
> - addr = strtoull(p, (char **)&p, 16);
> - if (*p == '=')
> - p++;
> - reg_size = strlen(p) / 2;
> - hextomem(mem_buf, p, reg_size);
> - gdb_write_register(s->g_cpu, mem_buf, addr);
> - put_packet(s, "OK");
> + {
> + static const GdbCmdParseEntry set_reg_cmd_desc = {
> + .handler = handle_set_reg,
> + .cmd = "P",
> + .cmd_startswith = 1,
> + .schema = "L?s0"
> + };
> + cmd_parser = &set_reg_cmd_desc;
> + }
> break;
> case 'Z':
> {
--
Alex Bennée
- [Qemu-devel] [PATCH v12 03/20] gdbstub: Implement thread_alive (T pkt) with new infra, (continued)
- [Qemu-devel] [PATCH v12 03/20] gdbstub: Implement thread_alive (T pkt) with new infra, Jon Doron, 2019/05/29
- [Qemu-devel] [PATCH v12 01/20] gdbstub: Add infrastructure to parse cmd packets, Jon Doron, 2019/05/29
- [Qemu-devel] [PATCH v12 02/20] gdbstub: Implement deatch (D pkt) with new infra, Jon Doron, 2019/05/29
- [Qemu-devel] [PATCH v12 05/20] gdbstub: Implement continue with signal (C pkt) with new infra, Jon Doron, 2019/05/29
- [Qemu-devel] [PATCH v12 07/20] gdbstub: Implement breakpoint commands (Z/z pkt) with new infra, Jon Doron, 2019/05/29
- [Qemu-devel] [PATCH v12 04/20] gdbstub: Implement continue (c pkt) with new infra, Jon Doron, 2019/05/29
- [Qemu-devel] [PATCH v12 06/20] gdbstub: Implement set_thread (H pkt) with new infra, Jon Doron, 2019/05/29
- [Qemu-devel] [PATCH v12 08/20] gdbstub: Implement set register (P pkt) with new infra, Jon Doron, 2019/05/29
- Re: [Qemu-devel] [PATCH v12 08/20] gdbstub: Implement set register (P pkt) with new infra,
Alex Bennée <=
- [Qemu-devel] [PATCH v12 09/20] gdbstub: Implement get register (p pkt) with new infra, Jon Doron, 2019/05/29
- [Qemu-devel] [PATCH v12 10/20] gdbstub: Implement write memory (M pkt) with new infra, Jon Doron, 2019/05/29
- [Qemu-devel] [PATCH v12 13/20] gdbstub: Implement read all registers (g pkt) with new infra, Jon Doron, 2019/05/29
- [Qemu-devel] [PATCH v12 14/20] gdbstub: Implement file io (F pkt) with new infra, Jon Doron, 2019/05/29
- [Qemu-devel] [PATCH v12 11/20] gdbstub: Implement read memory (m pkt) with new infra, Jon Doron, 2019/05/29
- [Qemu-devel] [PATCH v12 12/20] gdbstub: Implement write all registers (G pkt) with new infra, Jon Doron, 2019/05/29
- [Qemu-devel] [PATCH v12 16/20] gdbstub: Implement v commands with new infra, Jon Doron, 2019/05/29