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| author | Thomas Voss <mail@thomasvoss.com> | 2024-06-24 05:39:58 +0200 |
|---|---|---|
| committer | Thomas Voss <mail@thomasvoss.com> | 2024-06-24 05:39:58 +0200 |
| commit | 80ef5fb48853052d75184e1fe2fa8735d3b37576 (patch) | |
| tree | 7d45fe81cef8b475f8356096a461624fbfb7d3a7 | |
| parent | da314b492202a347df9ec10649b33d0d7d2fe7e3 (diff) | |
Set the target data layout
| -rw-r--r-- | src/codegen.c | 38 |
1 files changed, 32 insertions, 6 deletions
diff --git a/src/codegen.c b/src/codegen.c index fe8e63b..d432478 100644 --- a/src/codegen.c +++ b/src/codegen.c @@ -17,6 +17,18 @@ #define lengthof(xs) (sizeof(xs) / sizeof(*(xs))) +/* Cheers to Lernö for this */ +#define LLVM_TARGET_INIT(x) \ + do { \ + LLVMInitialize##x##AsmParser(); \ + LLVMInitialize##x##AsmPrinter(); \ + LLVMInitialize##x##TargetInfo(); \ + LLVMInitialize##x##Target(); \ + LLVMInitialize##x##Disassembler(); \ + LLVMInitialize##x##TargetMC(); \ + } while (false) + + /* A context structure we can pass to all the codegen functions just so they have easy access to everything */ struct cgctx { @@ -45,12 +57,21 @@ static LLVMTypeRef type2llvm(struct cgctx, type_t); static void codegenast(struct cgctx); void -codegen(const char *file, mpq_t *folds, scope_t *scps, type_t *types, - ast_t ast, aux_t aux, lexemes_t toks) +codegen(const char *file, mpq_t *folds, scope_t *scps, type_t *types, ast_t ast, + aux_t aux, lexemes_t toks) { + LLVM_TARGET_INIT(X86); + + char *error = NULL; char *triple = LLVMGetDefaultTargetTriple(); + LLVMTargetRef lltarget; LLVMContextRef llctx = LLVMContextCreate(); - LLVMModuleRef llmod = LLVMModuleCreateWithNameInContext("oryx", llctx); + LLVMModuleRef llmod = LLVMModuleCreateWithNameInContext("oryx", llctx); + if (LLVMGetTargetFromTriple(triple, &lltarget, &error) != 0) + err("codegen: %s", error); + LLVMTargetMachineRef llmach = LLVMCreateTargetMachine( + lltarget, triple, "", "", LLVMCodeGenLevelNone, LLVMRelocDefault, + LLVMCodeModelDefault); struct cgctx ctx = { .a = &(arena_t){0}, @@ -66,7 +87,7 @@ codegen(const char *file, mpq_t *folds, scope_t *scps, type_t *types, .ctx = llctx, .mod = llmod, .bob = LLVMCreateBuilderInContext(llctx), - .td = LLVMGetModuleDataLayout(llmod), + .td = LLVMCreateTargetDataLayout(llmach), }; LLVMSetTarget(ctx.mod, triple); @@ -76,17 +97,22 @@ codegen(const char *file, mpq_t *folds, scope_t *scps, type_t *types, codegenast(ctx); - char *error = NULL; + error = NULL; if (LLVMVerifyModule(ctx.mod, LLVMReturnStatusAction, &error) == 1) err("codegen: %s", error); + LLVMDumpModule(ctx.mod); + +#if DEBUG tmpfree(ctx.s); arena_free(ctx.a); LLVMDisposeBuilder(ctx.bob); LLVMDisposeMessage(error); - LLVMDumpModule(ctx.mod); LLVMDisposeModule(ctx.mod); + LLVMDisposeTargetData(ctx.td); + LLVMDisposeTargetMachine(llmach); LLVMContextDispose(ctx.ctx); +#endif } static idx_t codegendecl(struct cgctx ctx, idx_t); |