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[Qemu-devel] [PATCH v8 13/27] gdbstub: Implement write all registers (G
From: |
Jon Doron |
Subject: |
[Qemu-devel] [PATCH v8 13/27] gdbstub: Implement write all registers (G pkt) with new infra |
Date: |
Thu, 2 May 2019 10:26:27 +0300 |
Signed-off-by: Jon Doron <address@hidden>
---
gdbstub.c | 41 +++++++++++++++++++++++++++++++----------
1 file changed, 31 insertions(+), 10 deletions(-)
diff --git a/gdbstub.c b/gdbstub.c
index daa602edc3..adfe39b3a3 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -1734,6 +1734,29 @@ 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;
@@ -1745,7 +1768,6 @@ 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;
@@ -1911,16 +1933,15 @@ 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':
{
--
2.20.1
- [Qemu-devel] [PATCH v8 00/27] gdbstub: Refactor command packets handler, Jon Doron, 2019/05/02
- [Qemu-devel] [PATCH v8 01/27] gdbstub: Add infrastructure to parse cmd packets, Jon Doron, 2019/05/02
- [Qemu-devel] [PATCH v8 02/27] gdbstub: Implement deatch (D pkt) with new infra, Jon Doron, 2019/05/02
- [Qemu-devel] [PATCH v8 03/27] gdbstub: Implement thread_alive (T pkt) with new infra, Jon Doron, 2019/05/02
- [Qemu-devel] [PATCH v8 10/27] gdbstub: Implement get register (p pkt) with new infra, Jon Doron, 2019/05/02
- [Qemu-devel] [PATCH v8 13/27] gdbstub: Implement write all registers (G pkt) with new infra,
Jon Doron <=
- [Qemu-devel] [PATCH v8 27/27] gdbstub: Add support to write a MSR for KVM target, Jon Doron, 2019/05/02
- [Qemu-devel] [PATCH v8 16/27] gdbstub: Implement step (s pkt) with new infra, Jon Doron, 2019/05/02
- [Qemu-devel] [PATCH v8 09/27] gdbstub: Implement set register (P pkt) with new infra, Jon Doron, 2019/05/02
- [Qemu-devel] [PATCH v8 05/27] gdbstub: Implement continue with signal (C pkt) with new infra, Jon Doron, 2019/05/02
- [Qemu-devel] [PATCH v8 17/27] gdbstub: Implement v commands with new infra, Jon Doron, 2019/05/02
- [Qemu-devel] [PATCH v8 25/27] kvm: Add API to read/write a CPU MSR value, Jon Doron, 2019/05/02
- [Qemu-devel] [PATCH v8 06/27] gdbstub: Implement set_thread (H pkt) with new infra, Jon Doron, 2019/05/02
- [Qemu-devel] [PATCH v8 07/27] gdbstub: Implement insert breakpoint (Z pkt) with new infra, Jon Doron, 2019/05/02
- [Qemu-devel] [PATCH v8 24/27] gdbstub: Add another handler for setting qemu.sstep, Jon Doron, 2019/05/02
- [Qemu-devel] [PATCH v8 23/27] gdbstub: Implement qemu physical memory mode, Jon Doron, 2019/05/02