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Fix segmentation fault when using --trace with --lib-create (#7299) (#7518)

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This commit is contained in:
anonkey
2026-05-12 10:16:47 -04:00
committed by GitHub
parent 831396f848
commit 67b21e4c62
17 changed files with 595 additions and 35 deletions
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src/V3EmitCModel.cpp
+19
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@@ -526,10 +526,17 @@ class EmitCModel final : public EmitCFunc {
void emitTraceMethods(AstNodeModule* modp) {
const string topModNameProtected = EmitCUtil::prefixNameProtect(modp);
const string topTraceName
= V3OutFormatter::quoteNameControls(v3Global.rootp()->traceLibTopName());
putSectionDelimiter("Trace configuration");
// Forward declaration
if (!v3Global.opt.libCreate().empty()) {
putns(modp, "\nvoid " + topModNameProtected + "__" + protect("trace_init_root") + "("
+ topModNameProtected + "* vlSelf, " + v3Global.opt.traceClassBase()
+ "* tracep);\n");
}
putns(modp, "\nvoid " + topModNameProtected + "__" + protect("trace_decl_types") + "("
+ v3Global.opt.traceClassBase() + "* tracep);\n");
putns(modp, "\nvoid " + topModNameProtected + "__" + protect("trace_init_top") + "("
@@ -551,11 +558,23 @@ class EmitCModel final : public EmitCFunc {
puts("vlSymsp->__Vm_baseCode = code;\n");
if (v3Global.opt.libCreate().empty()) {
puts("tracep->pushPrefix(vlSymsp->name(), VerilatedTracePrefixType::SCOPE_MODULE);\n");
} else {
puts("if (tracep->rootInit()) {\n");
puts("tracep->pushPrefix(vlSymsp->name(), VerilatedTracePrefixType::SCOPE_MODULE);\n");
puts(topModNameProtected + "__" + protect("trace_init_root") + "(vlSelf, tracep);\n");
puts("tracep->pushPrefix(\"" + topTraceName
+ "\", VerilatedTracePrefixType::SCOPE_MODULE);\n");
puts("}\n");
}
puts(topModNameProtected + "__" + protect("trace_decl_types") + "(tracep);\n");
puts(topModNameProtected + "__" + protect("trace_init_top") + "(vlSelf, tracep);\n");
if (v3Global.opt.libCreate().empty()) { //
puts("tracep->popPrefix();\n");
} else {
puts("if (tracep->rootInit()) {\n");
puts("tracep->popPrefix();\n");
puts("tracep->popPrefix();\n");
puts("}\n");
}
puts("}\n");