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[mac/lld] simplify code using PackedVersion instead of VersionTuple

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PackedVersion already does the correct range checks.

No behavior change.

Differential Revision: https://reviews.llvm.org/D93338
This commit is contained in:
Nico Weber 2020-12-15 16:37:37 -05:00
parent 3a0352b85c
commit 09edd9df6e
2 changed files with 7 additions and 27 deletions
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28
lld/MachO/Driver.cpp
View File

@ -40,6 +40,7 @@
#include "llvm/Support/Path.h"
#include "llvm/Support/TarWriter.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/TextAPI/MachO/PackedVersion.h"
#include <algorithm>
@ -673,34 +674,13 @@ static uint32_t parseDylibVersion(const opt::ArgList& args, unsigned id) {
return 0;
}
llvm::VersionTuple version;
if (version.tryParse(arg->getValue()) || version.getBuild().hasValue()) {
PackedVersion version;
if (!version.parse32(arg->getValue())) {
error(arg->getAsString(args) + ": malformed version");
return 0;
}
unsigned major = version.getMajor();
if (major > UINT16_MAX) {
error(arg->getAsString(args) + ": component " + Twine(major) +
" out of range");
return 0;
}
unsigned minor = version.getMinor().getValueOr(0);
if (minor > UINT8_MAX) {
error(arg->getAsString(args) + ": component " + Twine(minor) +
" out of range");
return 0;
}
unsigned subminor = version.getSubminor().getValueOr(0);
if (subminor > UINT8_MAX) {
error(arg->getAsString(args) + ": component " + Twine(subminor) +
" out of range");
return 0;
}
return (major << 16) | (minor << 8) | subminor;
return version.rawValue();
}
bool macho::link(llvm::ArrayRef<const char *> argsArr, bool canExitEarly,

6
lld/test/MachO/dylib-version.s
View File

@ -25,19 +25,19 @@
# RUN: -compatibility_version 80000.1 -current_version 1.2.3 2>&1 | \
# RUN: FileCheck --check-prefix=BADMAJOR %s
# BADMAJOR: error: -compatibility_version 80000.1: component 80000 out of range
# BADMAJOR: error: -compatibility_version 80000.1: malformed version
# RUN: not %lld -dylib -o %t/executable %t.o -o /dev/null \
# RUN: -compatibility_version 8.300 -current_version 1.2.3 2>&1 | \
# RUN: FileCheck --check-prefix=BADMINOR %s
# BADMINOR: error: -compatibility_version 8.300: component 300 out of range
# BADMINOR: error: -compatibility_version 8.300: malformed version
# RUN: not %lld -dylib -o %t/executable %t.o -o /dev/null \
# RUN: -compatibility_version 8.8.300 -current_version 1.2.3 2>&1 | \
# RUN: FileCheck --check-prefix=BADSUBMINOR %s
# BADSUBMINOR: error: -compatibility_version 8.8.300: component 300 out of range
# BADSUBMINOR: error: -compatibility_version 8.8.300: malformed version
# RUN: %lld -dylib -o %t/executable %t.o -o %t.dylib \
# RUN: -compatibility_version 1.2.3 -current_version 2.5.6