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X-Received-From: 2a00:1450:4864:20::343 Subject: [Qemu-devel] [PATCH v12 14/20] gdbstub: Implement file io (F pkt) with new infra X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alex.bennee@linaro.org, Jon Doron Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Signed-off-by: Jon Doron Reviewed-by: Alex Benn=C3=A9e --- gdbstub.c | 48 ++++++++++++++++++++++++++---------------------- 1 file changed, 26 insertions(+), 22 deletions(-) diff --git a/gdbstub.c b/gdbstub.c index 8a401e6527..ea85966b27 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -1789,6 +1789,25 @@ static void handle_read_all_regs(GdbCmdContext *gdb_= ctx, void *user_ctx) put_packet(gdb_ctx->s, gdb_ctx->str_buf); } =20 +static void handle_file_io(GdbCmdContext *gdb_ctx, void *user_ctx) +{ + if (gdb_ctx->num_params >=3D 2 && gdb_ctx->s->current_syscall_cb) { + target_ulong ret, err; + + ret =3D (target_ulong)gdb_ctx->params[0].val_ull; + err =3D (target_ulong)gdb_ctx->params[1].val_ull; + gdb_ctx->s->current_syscall_cb(gdb_ctx->s->c_cpu, ret, err); + gdb_ctx->s->current_syscall_cb =3D NULL; + } + + if (gdb_ctx->num_params >=3D 3 && gdb_ctx->params[2].opcode =3D=3D (ui= nt8_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; @@ -1930,28 +1949,13 @@ static int gdb_handle_packet(GDBState *s, const cha= r *line_buf) return RS_IDLE; case 'F': { - target_ulong ret; - target_ulong err; - - ret =3D strtoull(p, (char **)&p, 16); - if (*p =3D=3D ',') { - p++; - err =3D strtoull(p, (char **)&p, 16); - } else { - err =3D 0; - } - if (*p =3D=3D ',') - p++; - type =3D *p; - if (s->current_syscall_cb) { - s->current_syscall_cb(s->c_cpu, ret, err); - s->current_syscall_cb =3D NULL; - } - if (type =3D=3D 'C') { - put_packet(s, "T02"); - } else { - gdb_continue(s); - } + static const GdbCmdParseEntry file_io_cmd_desc =3D { + .handler =3D handle_file_io, + .cmd =3D "F", + .cmd_startswith =3D 1, + .schema =3D "L,L,o0" + }; + cmd_parser =3D &file_io_cmd_desc; } break; case 'g': --=20 2.21.0