Error ("Variable `%s' has unknown size", Decl.Ident);
}
Entry->Flags &= ~(SC_STORAGE | SC_DEF);
+ } else {
+ /* A global (including static) uninitialized variable is
+ ** only a tentative definition. For example, this is valid:
+ ** int i;
+ ** int i;
+ ** static int j;
+ ** static int j = 42;
+ ** Code for them will be generated by FinishCompile().
+ ** For now, just save the BSS segment name
+ ** (can be set by #pragma bss-name).
+ */
+ const char* bssName = GetSegName (SEG_BSS);
+
+ if (Entry->V.BssName && strcmp (Entry->V.BssName, bssName) != 0) {
+ Error ("Global variable `%s' already was defined in the `%s' segment.",
+ Entry->Name, Entry->V.BssName);
+ }
+ Entry->V.BssName = xstrdup (bssName);
}
-
- /* A global (including static) uninitialized variable
- ** is only a tentative definition. For example, this is valid:
- ** int i;
- ** int i;
- ** static int j;
- ** static int j = 42;
- ** Code for these will be generated in FinishCompile.
- */
}
}
** changes using #pragma later.
*/
if (IS_Get (&Optimize)) {
- long CodeSize = IS_Get (&CodeSizeFactor);
DefineNumericMacro ("__OPT__", 1);
+ }
+ {
+ long CodeSize = IS_Get (&CodeSizeFactor);
if (CodeSize > 100) {
DefineNumericMacro ("__OPT_i__", CodeSize);
}
- if (IS_Get (&EnableRegVars)) {
- DefineNumericMacro ("__OPT_r__", 1);
- }
- if (IS_Get (&InlineStdFuncs)) {
- DefineNumericMacro ("__OPT_s__", 1);
- }
+ }
+ if (IS_Get (&EnableRegVars)) {
+ DefineNumericMacro ("__OPT_r__", 1);
+ }
+ if (IS_Get (&InlineStdFuncs)) {
+ DefineNumericMacro ("__OPT_s__", 1);
+ }
+ if (IS_Get (&EagerlyInlineFuncs)) {
+ DefineNumericMacro ("__EAGERLY_INLINE_FUNCS__", 1);
}
/* __TIME__ and __DATE__ macros */
SymEntry* Entry;
/* Walk over all global symbols:
- ** - for functions do cleanup, optimizations ...
+ ** - for functions, do clean-up and optimizations
** - generate code for uninitialized global variables
*/
for (Entry = GetGlobalSymTab ()->SymHead; Entry; Entry = Entry->NextSym) {
CS_MergeLabels (Entry->V.F.Seg->Code);
RunOpt (Entry->V.F.Seg->Code);
} else if ((Entry->Flags & (SC_STORAGE | SC_DEF | SC_STATIC)) == (SC_STORAGE | SC_STATIC)) {
- /* Tentative definition of uninitialized global variable */
+ /* Assembly definition of uninitialized global variable */
+
+ /* Set the segment name only when it changes */
+ if (strcmp (GetSegName (SEG_BSS), Entry->V.BssName) != 0) {
+ SetSegName (SEG_BSS, Entry->V.BssName);
+ g_segname (SEG_BSS);
+ }
g_usebss ();
g_defgloblabel (Entry->Name);
g_res (SizeOf (Entry->Type));
- /* Mark as defined, so that it will be exported not imported */
+ /* Mark as defined; so that it will be exported, not imported */
Entry->Flags |= SC_DEF;
}
}