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X-Received-From: 2a00:1450:4864:20::342 Subject: [Qemu-devel] [PATCH v6 13/21] gdbstub: Implement write all registers (G 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: 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 --- gdbstub.c | 41 +++++++++++++++++++++++++++++++---------- 1 file changed, 31 insertions(+), 10 deletions(-) diff --git a/gdbstub.c b/gdbstub.c index 5b60c1369c..acf0e75908 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -1735,6 +1735,29 @@ static void handle_read_mem(GdbCmdContext *gdb_ctx, = void *user_ctx) put_packet(gdb_ctx->s, gdb_ctx->str_buf); } =20 +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 =3D gdb_ctx->mem_buf; + len =3D strlen(gdb_ctx->params[0].data) / 2; + hextomem(registers, gdb_ctx->params[0].data, len); + for (addr =3D 0; addr < gdb_ctx->s->g_cpu->gdb_num_g_regs && len > 0; + addr++) { + reg_size =3D gdb_write_register(gdb_ctx->s->g_cpu, registers, addr= ); + len -=3D reg_size; + registers +=3D reg_size; + } + put_packet(gdb_ctx->s, "OK"); +} + static int gdb_handle_packet(GDBState *s, const char *line_buf) { CPUState *cpu; @@ -1746,7 +1769,6 @@ 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 =3D NULL; =20 @@ -1912,16 +1934,15 @@ static int gdb_handle_packet(GDBState *s, const cha= r *line_buf) put_packet(s, buf); break; case 'G': - cpu_synchronize_state(s->g_cpu); - registers =3D mem_buf; - len =3D strlen(p) / 2; - hextomem((uint8_t *)registers, p, len); - for (addr =3D 0; addr < s->g_cpu->gdb_num_g_regs && len > 0; addr+= +) { - reg_size =3D gdb_write_register(s->g_cpu, registers, addr); - len -=3D reg_size; - registers +=3D reg_size; + { + static const GdbCmdParseEntry write_all_regs_cmd_desc =3D { + .handler =3D handle_write_all_regs, + .cmd =3D "G", + .cmd_startswith =3D 1, + .schema =3D "s0" + }; + cmd_parser =3D &write_all_regs_cmd_desc; } - put_packet(s, "OK"); break; case 'm': { --=20 2.20.1