diff options
| -rw-r--r-- | gdbstub/gdbstub.c | 12 | ||||
| -rw-r--r-- | include/exec/gdbstub.h | 3 | ||||
| -rw-r--r-- | scripts/feature_to_c.py | 14 | ||||
| -rw-r--r-- | target/riscv/gdbstub.c | 4 |
4 files changed, 26 insertions, 7 deletions
diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c index f766ee2..a55b5e6 100644 --- a/gdbstub/gdbstub.c +++ b/gdbstub/gdbstub.c @@ -419,9 +419,10 @@ void gdb_feature_builder_init(GDBFeatureBuilder *builder, GDBFeature *feature, builder->feature = feature; builder->xml = g_ptr_array_new(); g_ptr_array_add(builder->xml, header); + builder->regs = g_ptr_array_new(); builder->base_reg = base_reg; feature->xmlname = xmlname; - feature->num_regs = 0; + feature->name = name; } void gdb_feature_builder_append_tag(const GDBFeatureBuilder *builder, @@ -440,10 +441,12 @@ void gdb_feature_builder_append_reg(const GDBFeatureBuilder *builder, const char *type, const char *group) { - if (builder->feature->num_regs < regnum) { - builder->feature->num_regs = regnum; + if (builder->regs->len <= regnum) { + g_ptr_array_set_size(builder->regs, regnum + 1); } + builder->regs->pdata[regnum] = (gpointer *)name; + if (group) { gdb_feature_builder_append_tag( builder, @@ -469,6 +472,9 @@ void gdb_feature_builder_end(const GDBFeatureBuilder *builder) } g_ptr_array_free(builder->xml, TRUE); + + builder->feature->num_regs = builder->regs->len; + builder->feature->regs = (void *)g_ptr_array_free(builder->regs, FALSE); } const GDBFeature *gdb_find_static_feature(const char *xmlname) diff --git a/include/exec/gdbstub.h b/include/exec/gdbstub.h index 82a8afa..da9ddfe 100644 --- a/include/exec/gdbstub.h +++ b/include/exec/gdbstub.h @@ -13,12 +13,15 @@ typedef struct GDBFeature { const char *xmlname; const char *xml; + const char *name; + const char * const *regs; int num_regs; } GDBFeature; typedef struct GDBFeatureBuilder { GDBFeature *feature; GPtrArray *xml; + GPtrArray *regs; int base_reg; } GDBFeatureBuilder; diff --git a/scripts/feature_to_c.py b/scripts/feature_to_c.py index e04d6b2..807af0e 100644 --- a/scripts/feature_to_c.py +++ b/scripts/feature_to_c.py @@ -50,7 +50,9 @@ for input in sys.argv[1:]: sys.stderr.write(f'unexpected start tag: {element.tag}\n') exit(1) + feature_name = element.attrib['name'] regnum = 0 + regnames = [] regnums = [] tags = ['feature'] for event, element in events: @@ -67,6 +69,7 @@ for input in sys.argv[1:]: if 'regnum' in element.attrib: regnum = int(element.attrib['regnum']) + regnames.append(element.attrib['name']) regnums.append(regnum) regnum += 1 @@ -85,6 +88,15 @@ for input in sys.argv[1:]: writeliteral(8, bytes(os.path.basename(input), 'utf-8')) sys.stdout.write(',\n') writeliteral(8, read) - sys.stdout.write(f',\n {num_regs},\n }},\n') + sys.stdout.write(',\n') + writeliteral(8, bytes(feature_name, 'utf-8')) + sys.stdout.write(',\n (const char * const []) {\n') + + for index, regname in enumerate(regnames): + sys.stdout.write(f' [{regnums[index] - base_reg}] =\n') + writeliteral(16, bytes(regname, 'utf-8')) + sys.stdout.write(',\n') + + sys.stdout.write(f' }},\n {num_regs},\n }},\n') sys.stdout.write(' { NULL }\n};\n') diff --git a/target/riscv/gdbstub.c b/target/riscv/gdbstub.c index 546e869..be7a02c 100644 --- a/target/riscv/gdbstub.c +++ b/target/riscv/gdbstub.c @@ -266,11 +266,9 @@ static GDBFeature *riscv_gen_dynamic_csr_feature(CPUState *cs, int base_reg) } predicate = csr_ops[i].predicate; if (predicate && (predicate(env, i) == RISCV_EXCP_NONE)) { - g_autofree char *dynamic_name = NULL; name = csr_ops[i].name; if (!name) { - dynamic_name = g_strdup_printf("csr%03x", i); - name = dynamic_name; + name = g_strdup_printf("csr%03x", i); } gdb_feature_builder_append_reg(&builder, name, bitsize, i, |