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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=2607:f8b0:4864:20::62e; envelope-from=akihiko.odaki@daynix.com; helo=mail-pl1-x62e.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @daynix-com.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1697711545314100001 Content-Type: text/plain; charset="utf-8" GDBFeatureBuilder unifies the logic to generate dynamic GDBFeature. Signed-off-by: Akihiko Odaki Reviewed-by: Richard Henderson --- include/exec/gdbstub.h | 23 +++++++++++++++ gdbstub/gdbstub.c | 65 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 88 insertions(+) diff --git a/include/exec/gdbstub.h b/include/exec/gdbstub.h index 071021415a..97875634f3 100644 --- a/include/exec/gdbstub.h +++ b/include/exec/gdbstub.h @@ -16,6 +16,12 @@ typedef struct GDBFeature { int num_regs; } GDBFeature; =20 +typedef struct GDBFeatureBuilder { + GDBFeature *feature; + GPtrArray *xml; + int base_reg; +} GDBFeatureBuilder; + =20 /* Get or set a register. Returns the size of the register. */ typedef int (*gdb_get_reg_cb)(CPUArchState *env, GByteArray *buf, int reg); @@ -44,6 +50,23 @@ void gdb_register_coprocessor(CPUState *cpu, */ int gdbserver_start(const char *port_or_device); =20 +void gdb_feature_builder_init(GDBFeatureBuilder *builder, GDBFeature *feat= ure, + const char *name, const char *xmlname, + int base_reg); + +void G_GNUC_PRINTF(2, 3) +gdb_feature_builder_append_tag(const GDBFeatureBuilder *builder, + const char *format, ...); + +void gdb_feature_builder_append_reg(const GDBFeatureBuilder *builder, + const char *name, + int bitsize, + int regnum, + const char *type, + const char *group); + +void gdb_feature_builder_end(const GDBFeatureBuilder *builder); + const GDBFeature *gdb_find_static_feature(const char *xmlname); =20 void gdb_set_stop_cpu(CPUState *cpu); diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c index ae24c4848f..ebb912da1b 100644 --- a/gdbstub/gdbstub.c +++ b/gdbstub/gdbstub.c @@ -422,6 +422,71 @@ static const char *get_feature_xml(const char *p, cons= t char **newp, return NULL; } =20 +void gdb_feature_builder_init(GDBFeatureBuilder *builder, GDBFeature *feat= ure, + const char *name, const char *xmlname, + int base_reg) +{ + char *header =3D g_markup_printf_escaped( + "" + "" + "", + name); + + builder->feature =3D feature; + builder->xml =3D g_ptr_array_new(); + g_ptr_array_add(builder->xml, header); + builder->base_reg =3D base_reg; + feature->xmlname =3D xmlname; + feature->num_regs =3D 0; +} + +void gdb_feature_builder_append_tag(const GDBFeatureBuilder *builder, + const char *format, ...) +{ + va_list ap; + va_start(ap, format); + g_ptr_array_add(builder->xml, g_markup_vprintf_escaped(format, ap)); + va_end(ap); +} + +void gdb_feature_builder_append_reg(const GDBFeatureBuilder *builder, + const char *name, + int bitsize, + int regnum, + const char *type, + const char *group) +{ + if (builder->feature->num_regs < regnum) { + builder->feature->num_regs =3D regnum; + } + + if (group) { + gdb_feature_builder_append_tag( + builder, + "", + name, bitsize, builder->base_reg + regnum, type, group); + } else { + gdb_feature_builder_append_tag( + builder, + "", + name, bitsize, builder->base_reg + regnum, type); + } +} + +void gdb_feature_builder_end(const GDBFeatureBuilder *builder) +{ + g_ptr_array_add(builder->xml, (void *)""); + g_ptr_array_add(builder->xml, NULL); + + builder->feature->xml =3D g_strjoinv(NULL, (void *)builder->xml->pdata= ); + + for (guint i =3D 0; i < builder->xml->len - 2; i++) { + g_free(g_ptr_array_index(builder->xml, i)); + } + + g_ptr_array_free(builder->xml, TRUE); +} + const GDBFeature *gdb_find_static_feature(const char *xmlname) { const GDBFeature *feature; --=20 2.42.0