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Consistently do & alignMask, not % alignSize

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Also add more unrelated tests for coverage
This commit is contained in:
Rangi42
2025-09-23 13:25:51 -04:00
parent 96a75500d3
commit ca4b890273
10 changed files with 98 additions and 38 deletions
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src/link/layout.cpp
+5 -3
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@@ -128,6 +128,7 @@ void layout_AlignTo(uint32_t alignment, uint32_t alignOfs) {
layout_SetAddr(floatingAlignOffset);
} else {
uint32_t alignSize = 1u << alignment;
uint32_t alignMask = alignSize - 1;
if (alignOfs >= alignSize) {
scriptError(
@@ -139,8 +140,8 @@ void layout_AlignTo(uint32_t alignment, uint32_t alignOfs) {
return;
}
floatingAlignMask = alignSize - 1;
floatingAlignOffset = alignOfs % alignSize;
floatingAlignMask = alignMask;
floatingAlignOffset = alignOfs & alignMask;
}
return;
}
@@ -158,6 +159,7 @@ void layout_AlignTo(uint32_t alignment, uint32_t alignOfs) {
if (alignment < 16) {
uint32_t alignSize = 1u << alignment;
uint32_t alignMask = alignSize - 1;
if (alignOfs >= alignSize) {
scriptError(
@@ -170,7 +172,7 @@ void layout_AlignTo(uint32_t alignment, uint32_t alignOfs) {
}
assume(pc >= typeInfo.startAddr);
length %= alignSize;
length &= alignMask;
}
if (uint16_t offset = pc - typeInfo.startAddr; length > typeInfo.size - offset) {