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Check for unsatisfiable alignment constraints

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Fixes #493
This commit is contained in:
ISSOtm
2020-03-22 11:54:57 +01:00
parent 062fa5392b
commit df2c0dc2f9
2 changed files with 10 additions and 0 deletions
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7
src/link/section.c
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@@ -161,6 +161,13 @@ static void doSanityChecks(struct Section *section, void *ptr)
if (section->isAlignFixed && section->alignMask == 1)
section->isAlignFixed = false;
/* Too large an alignment may not be satisfiable */
if (section->isAlignFixed
&& (section->alignMask & startaddr[section->type]))
fail("%s: %s sections cannot be aligned to $%x bytes",
section->name, typeNames[section->type],
section->alignMask + 1);
uint32_t minbank = bankranges[section->type][0],
maxbank = bankranges[section->type][1];