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Report locations for RGBLINK errors with conflicting objects (#1494)

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This requires updating the object file format to record the
fstack context for sections themselves, not just for patches.
This commit is contained in:
Sylvie
2024-09-10 13:23:48 -04:00
committed by GitHub
parent 8cd0e66297
commit 1dcc000572
26 changed files with 173 additions and 79 deletions
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128
src/link/section.cpp
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@@ -21,24 +21,32 @@ void sect_ForEach(void (*callback)(Section &)) {
static void checkAgainstFixedAddress(Section const &target, Section const &other, uint16_t org) {
if (target.isAddressFixed) {
if (target.org != org) {
errx(
"Section \"%s\" is defined with conflicting addresses $%04" PRIx16
" and $%04" PRIx16,
other.name.c_str(),
target.org,
other.org
fprintf(
stderr,
"error: Section \"%s\" is defined with address $%04" PRIx16 " at ",
target.name.c_str(),
target.org
);
target.src->dump(target.lineNo);
fprintf(stderr, ", but with address $%04" PRIx16 " at ", other.org);
other.src->dump(other.lineNo);
putc('\n', stderr);
exit(1);
}
} else if (target.isAlignFixed) {
if ((org - target.alignOfs) & target.alignMask) {
errx(
"Section \"%s\" is defined with conflicting %d-byte alignment (offset %" PRIu16
") and address $%04" PRIx16,
other.name.c_str(),
fprintf(
stderr,
"error: Section \"%s\" is defined with %d-byte alignment (offset %" PRIu16 ") at ",
target.name.c_str(),
target.alignMask + 1,
target.alignOfs,
other.org
target.alignOfs
);
target.src->dump(target.lineNo);
fprintf(stderr, ", but with address $%04" PRIx16 " at ", other.org);
other.src->dump(other.lineNo);
putc('\n', stderr);
exit(1);
}
}
}
@@ -46,27 +54,43 @@ static void checkAgainstFixedAddress(Section const &target, Section const &other
static bool checkAgainstFixedAlign(Section const &target, Section const &other, int32_t ofs) {
if (target.isAddressFixed) {
if ((target.org - ofs) & other.alignMask) {
errx(
"Section \"%s\" is defined with conflicting address $%04" PRIx16
" and %d-byte alignment (offset %" PRIu16 ")",
other.name.c_str(),
target.org,
fprintf(
stderr,
"error: Section \"%s\" is defined with address $%04" PRIx16 " at ",
target.name.c_str(),
target.org
);
target.src->dump(target.lineNo);
fprintf(
stderr,
", but with %d-byte alignment (offset %" PRIu16 ") at ",
other.alignMask + 1,
other.alignOfs
);
other.src->dump(other.lineNo);
putc('\n', stderr);
exit(1);
}
return false;
} else if (target.isAlignFixed
&& (other.alignMask & target.alignOfs) != (target.alignMask & ofs)) {
errx(
"Section \"%s\" is defined with conflicting %d-byte alignment (offset %" PRIu16
") and %d-byte alignment (offset %" PRIu16 ")",
other.name.c_str(),
fprintf(
stderr,
"error: Section \"%s\" is defined with %d-byte alignment (offset %" PRIu16 ") at ",
target.name.c_str(),
target.alignMask + 1,
target.alignOfs,
target.alignOfs
);
target.src->dump(target.lineNo);
fprintf(
stderr,
", but with %d-byte alignment (offset %" PRIu16 ") at ",
other.alignMask + 1,
other.alignOfs
);
other.src->dump(other.lineNo);
putc('\n', stderr);
exit(1);
} else {
return !target.isAlignFixed || (other.alignMask > target.alignMask);
}
@@ -106,25 +130,36 @@ static void checkFragmentCompat(Section &target, Section &other) {
static void mergeSections(Section &target, std::unique_ptr<Section> &&other, SectionModifier mod) {
// Common checks
if (target.type != other->type)
errx(
"Section \"%s\" is defined with conflicting types %s and %s",
other->name.c_str(),
sectionTypeInfo[target.type].name.c_str(),
sectionTypeInfo[other->type].name.c_str()
if (target.type != other->type) {
fprintf(
stderr,
"error: Section \"%s\" is defined with type %s at ",
target.name.c_str(),
sectionTypeInfo[target.type].name.c_str()
);
target.src->dump(target.lineNo);
fprintf(stderr, ", but with type %s at ", sectionTypeInfo[other->type].name.c_str());
other->src->dump(other->lineNo);
putc('\n', stderr);
exit(1);
}
if (other->isBankFixed) {
if (!target.isBankFixed) {
target.isBankFixed = true;
target.bank = other->bank;
} else if (target.bank != other->bank) {
errx(
"Section \"%s\" is defined with conflicting banks %" PRIu32 " and %" PRIu32,
other->name.c_str(),
target.bank,
other->bank
fprintf(
stderr,
"error: Section \"%s\" is defined with bank %" PRIu32 " at ",
target.name.c_str(),
target.bank
);
target.src->dump(target.lineNo);
fprintf(stderr, ", but with bank %" PRIu32 " at ", other->bank);
other->src->dump(other->lineNo);
putc('\n', stderr);
exit(1);
}
}
@@ -164,17 +199,28 @@ static void mergeSections(Section &target, std::unique_ptr<Section> &&other, Sec
void sect_AddSection(std::unique_ptr<Section> &&section) {
// Check if the section already exists
if (Section *other = sect_GetSection(section->name); other) {
if (section->modifier != other->modifier)
errx(
"Section \"%s\" defined as %s and %s",
if (section->modifier != other->modifier) {
fprintf(
stderr,
"error: Section \"%s\" is defined as %s at ",
section->name.c_str(),
sectionModNames[section->modifier],
sectionModNames[other->modifier]
sectionModNames[section->modifier]
);
else if (section->modifier == SECTION_NORMAL)
errx("Section name \"%s\" is already in use", section->name.c_str());
else
section->src->dump(section->lineNo);
fprintf(stderr, ", but as %s at ", sectionModNames[other->modifier]);
other->src->dump(other->lineNo);
putc('\n', stderr);
exit(1);
} else if (section->modifier == SECTION_NORMAL) {
fprintf(stderr, "error: Section \"%s\" is defined at ", section->name.c_str());
section->src->dump(section->lineNo);
fputs(", but also at ", stderr);
other->src->dump(other->lineNo);
putc('\n', stderr);
exit(1);
} else {
mergeSections(*other, std::move(section), section->modifier);
}
} else if (section->modifier == SECTION_UNION && sect_HasData(section->type)) {
errx(
"Section \"%s\" is of type %s, which cannot be unionized",