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[Qemu-devel] [PATCH v6 15/21] gdbstub: Implement file io (F pkt) with ne
From: |
Jon Doron |
Subject: |
[Qemu-devel] [PATCH v6 15/21] gdbstub: Implement file io (F pkt) with new infra |
Date: |
Thu, 25 Apr 2019 16:26:30 +0300 |
Signed-off-by: Jon Doron <address@hidden>
---
gdbstub.c | 62 +++++++++++++++++++++++++++++++++++--------------------
1 file changed, 40 insertions(+), 22 deletions(-)
diff --git a/gdbstub.c b/gdbstub.c
index 3a7ef5eea6..18949120be 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -1773,6 +1773,39 @@ static void handle_read_all_regs(GdbCmdContext *gdb_ctx,
void *user_ctx)
put_packet(gdb_ctx->s, gdb_ctx->str_buf);
}
+static void handle_file_io(GdbCmdContext *gdb_ctx, void *user_ctx)
+{
+ int num_syscall_params;
+ GdbCmdVariant syscall_params[3] = {};
+
+ if (!gdb_ctx->num_params) {
+ return;
+ }
+
+ if (cmd_parse_params(gdb_ctx->params[0].data, "L,L,o0", syscall_params,
+ &num_syscall_params)) {
+ return;
+ }
+
+ if (!num_syscall_params) {
+ return;
+ }
+
+ if (gdb_ctx->s->current_syscall_cb) {
+ gdb_ctx->s->current_syscall_cb(gdb_ctx->s->c_cpu,
+ (target_ulong)syscall_params[0].val_ull,
+
(target_ulong)syscall_params[1].val_ull);
+ gdb_ctx->s->current_syscall_cb = NULL;
+ }
+
+ if (syscall_params[2].opcode == (uint8_t)'C') {
+ put_packet(gdb_ctx->s, "T02");
+ return;
+ }
+
+ gdb_continue(gdb_ctx->s);
+}
+
static int gdb_handle_packet(GDBState *s, const char *line_buf)
{
CPUState *cpu;
@@ -1914,28 +1947,13 @@ static int gdb_handle_packet(GDBState *s, const char
*line_buf)
return RS_IDLE;
case 'F':
{
- target_ulong ret;
- target_ulong err;
-
- ret = strtoull(p, (char **)&p, 16);
- if (*p == ',') {
- p++;
- err = strtoull(p, (char **)&p, 16);
- } else {
- err = 0;
- }
- if (*p == ',')
- p++;
- type = *p;
- if (s->current_syscall_cb) {
- s->current_syscall_cb(s->c_cpu, ret, err);
- s->current_syscall_cb = NULL;
- }
- if (type == 'C') {
- put_packet(s, "T02");
- } else {
- gdb_continue(s);
- }
+ static const GdbCmdParseEntry file_io_cmd_desc = {
+ .handler = handle_file_io,
+ .cmd = "F",
+ .cmd_startswith = 1,
+ .schema = "s0"
+ };
+ cmd_parser = &file_io_cmd_desc;
}
break;
case 'g':
--
2.20.1
- [Qemu-devel] [PATCH v6 05/21] gdbstub: Implement continue with signal (C pkt) with new infra, (continued)
- [Qemu-devel] [PATCH v6 05/21] gdbstub: Implement continue with signal (C pkt) with new infra, Jon Doron, 2019/04/25
- [Qemu-devel] [PATCH v6 06/21] gdbstub: Implement set_thread (H pkt) with new infra, Jon Doron, 2019/04/25
- [Qemu-devel] [PATCH v6 07/21] gdbstub: Implement insert breakpoint (Z pkt) with new infra, Jon Doron, 2019/04/25
- [Qemu-devel] [PATCH v6 09/21] gdbstub: Implement set register (P pkt) with new infra, Jon Doron, 2019/04/25
- [Qemu-devel] [PATCH v6 08/21] gdbstub: Implement remove breakpoint (z pkt) with new infra, Jon Doron, 2019/04/25
- [Qemu-devel] [PATCH v6 10/21] gdbstub: Implement get register (p pkt) with new infra, Jon Doron, 2019/04/25
- [Qemu-devel] [PATCH v6 11/21] gdbstub: Implement write memory (M pkt) with new infra, Jon Doron, 2019/04/25
- [Qemu-devel] [PATCH v6 12/21] gdbstub: Implement read memory (m pkt) with new infra, Jon Doron, 2019/04/25
- [Qemu-devel] [PATCH v6 13/21] gdbstub: Implement write all registers (G pkt) with new infra, Jon Doron, 2019/04/25
- [Qemu-devel] [PATCH v6 14/21] gdbstub: Implement read all registers (g pkt) with new infra, Jon Doron, 2019/04/25
- [Qemu-devel] [PATCH v6 15/21] gdbstub: Implement file io (F pkt) with new infra,
Jon Doron <=
- [Qemu-devel] [PATCH v6 16/21] gdbstub: Implement step (s pkt) with new infra, Jon Doron, 2019/04/25
- [Qemu-devel] [PATCH v6 17/21] gdbstub: Implement v commands with new infra, Jon Doron, 2019/04/25
- [Qemu-devel] [PATCH v6 18/21] gdbstub: Implement generic query (q pkt) with new infra, Jon Doron, 2019/04/25
- [Qemu-devel] [PATCH v6 19/21] gdbstub: Implement generic set (Q pkt) with new infra, Jon Doron, 2019/04/25
- [Qemu-devel] [PATCH v6 20/21] gdbstub: Implement target halted (? pkt) with new infra, Jon Doron, 2019/04/25
- [Qemu-devel] [PATCH v6 21/21] gdbstub: Clear unused variables in gdb_handle_packet, Jon Doron, 2019/04/25
- Re: [Qemu-devel] [PATCH v6 00/21] gdbstub: Refactor command packets handler, no-reply, 2019/04/25
- Re: [Qemu-devel] [PATCH v6 00/21] gdbstub: Refactor command packets handler, Alex Bennée, 2019/04/25