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[Qemu-devel] [PATCH v11 10/20] gdbstub: Implement write memory (M pkt) w
From: |
Jon Doron |
Subject: |
[Qemu-devel] [PATCH v11 10/20] gdbstub: Implement write memory (M pkt) with new infra |
Date: |
Fri, 24 May 2019 19:01:08 +0300 |
Signed-off-by: Jon Doron <address@hidden>
Reviewed-by: Alex Bennée <address@hidden>
---
gdbstub.c | 51 +++++++++++++++++++++++++++++++++------------------
1 file changed, 33 insertions(+), 18 deletions(-)
diff --git a/gdbstub.c b/gdbstub.c
index 3284b3e01d..c798d93e22 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -1688,6 +1688,31 @@ static void handle_get_reg(GdbCmdContext *gdb_ctx, void
*user_ctx)
put_packet(gdb_ctx->s, gdb_ctx->str_buf);
}
+static void handle_write_mem(GdbCmdContext *gdb_ctx, void *user_ctx)
+{
+ if (gdb_ctx->num_params != 3) {
+ put_packet(gdb_ctx->s, "E22");
+ return;
+ }
+
+ /* hextomem() reads 2*len bytes */
+ if (gdb_ctx->params[1].val_ull > strlen(gdb_ctx->params[2].data) / 2) {
+ put_packet(gdb_ctx->s, "E22");
+ return;
+ }
+
+ hextomem(gdb_ctx->mem_buf, gdb_ctx->params[2].data,
+ gdb_ctx->params[1].val_ull);
+ if (target_memory_rw_debug(gdb_ctx->s->g_cpu, gdb_ctx->params[0].val_ull,
+ gdb_ctx->mem_buf,
+ gdb_ctx->params[1].val_ull, true)) {
+ put_packet(gdb_ctx->s, "E14");
+ return;
+ }
+
+ put_packet(gdb_ctx->s, "OK");
+}
+
static int gdb_handle_packet(GDBState *s, const char *line_buf)
{
CPUState *cpu;
@@ -1896,24 +1921,14 @@ static int gdb_handle_packet(GDBState *s, const char
*line_buf)
}
break;
case 'M':
- addr = strtoull(p, (char **)&p, 16);
- if (*p == ',')
- p++;
- len = strtoull(p, (char **)&p, 16);
- if (*p == ':')
- p++;
-
- /* hextomem() reads 2*len bytes */
- if (len > strlen(p) / 2) {
- put_packet (s, "E22");
- break;
- }
- hextomem(mem_buf, p, len);
- if (target_memory_rw_debug(s->g_cpu, addr, mem_buf, len,
- true) != 0) {
- put_packet(s, "E14");
- } else {
- put_packet(s, "OK");
+ {
+ static const GdbCmdParseEntry write_mem_cmd_desc = {
+ .handler = handle_write_mem,
+ .cmd = "M",
+ .cmd_startswith = 1,
+ .schema = "L,L:s0"
+ };
+ cmd_parser = &write_mem_cmd_desc;
}
break;
case 'p':
--
2.21.0
- [Qemu-devel] [PATCH v11 06/20] gdbstub: Implement set_thread (H pkt) with new infra, (continued)
- [Qemu-devel] [PATCH v11 06/20] gdbstub: Implement set_thread (H pkt) with new infra, Jon Doron, 2019/05/24
- [Qemu-devel] [PATCH v11 05/20] gdbstub: Implement continue with signal (C pkt) with new infra, Jon Doron, 2019/05/24
- [Qemu-devel] [PATCH v11 03/20] gdbstub: Implement thread_alive (T pkt) with new infra, Jon Doron, 2019/05/24
- [Qemu-devel] [PATCH v11 08/20] gdbstub: Implement set register (P pkt) with new infra, Jon Doron, 2019/05/24
- [Qemu-devel] [PATCH v11 07/20] gdbstub: Implement breakpoint commands (Z/z pkt) with new infra, Jon Doron, 2019/05/24
- [Qemu-devel] [PATCH v11 01/20] gdbstub: Add infrastructure to parse cmd packets, Jon Doron, 2019/05/24
- [Qemu-devel] [PATCH v11 09/20] gdbstub: Implement get register (p pkt) with new infra, Jon Doron, 2019/05/24
- [Qemu-devel] [PATCH v11 11/20] gdbstub: Implement read memory (m pkt) with new infra, Jon Doron, 2019/05/24
- [Qemu-devel] [PATCH v11 12/20] gdbstub: Implement write all registers (G pkt) with new infra, Jon Doron, 2019/05/24
- [Qemu-devel] [PATCH v11 13/20] gdbstub: Implement read all registers (g pkt) with new infra, Jon Doron, 2019/05/24
- [Qemu-devel] [PATCH v11 10/20] gdbstub: Implement write memory (M pkt) with new infra,
Jon Doron <=
- [Qemu-devel] [PATCH v11 19/20] gdbstub: Clear unused variables in gdb_handle_packet, Jon Doron, 2019/05/24
- [Qemu-devel] [PATCH v11 16/20] gdbstub: Implement v commands with new infra, Jon Doron, 2019/05/24
- [Qemu-devel] [PATCH v11 18/20] gdbstub: Implement target halted (? pkt) with new infra, Jon Doron, 2019/05/24
- [Qemu-devel] [PATCH v11 15/20] gdbstub: Implement step (s pkt) with new infra, Jon Doron, 2019/05/24
- [Qemu-devel] [PATCH v11 14/20] gdbstub: Implement file io (F pkt) with new infra, Jon Doron, 2019/05/24
- [Qemu-devel] [PATCH v11 20/20] gdbstub: Implement qemu physical memory mode, Jon Doron, 2019/05/24
- [Qemu-devel] [PATCH v11 17/20] gdbstub: Implement generic set/query (Q/q pkt) with new infra, Jon Doron, 2019/05/24