| # REQUIRES: x86 |
| |
| # Tests handling of the comdat selection type. |
| # (Except associative which is tested in associative-comdat.s and |
| # comdat-selection-associate-largest.s instead.) |
| |
| # Create obj files with each selection type. |
| # RUN: sed -e s/SEL/discard/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.discard.obj |
| # RUN: sed -e s/SEL/discard/ -e s/.long/.short/ -e s/1/2/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.discard.short.2.obj |
| # RUN: sed -e s/SEL/one_only/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.one_only.obj |
| # RUN: sed -e s/SEL/same_size/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.same_size.obj |
| # RUN: sed -e s/SEL/same_size/ -e s/.long/.short/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.same_size.short.obj |
| # RUN: sed -e s/SEL/same_contents/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.same_contents.obj |
| # RUN: sed -e s/SEL/same_contents/ -e s/.long/.short/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.same_contents.short.obj |
| # RUN: sed -e s/SEL/same_contents/ -e s/1/2/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.same_contents.2.obj |
| # RUN: sed -e s/SEL/largest/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.largest.obj |
| # RUN: sed -e s/SEL/largest/ -e s/.long/.short/ -e s/1/2/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.largest.short.2.obj |
| # RUN: sed -e s/SEL/newest/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.newest.obj |
| |
| .section .text$nm, "", SEL, symbol |
| .globl symbol |
| symbol: |
| .long 1 |
| |
| # First, pass each selection type twice. All should link fine except for |
| # one_only which should report a duplicate symbol error and newest which |
| # link.exe (and hence lld-link) doesn't understand. |
| |
| # RUN: cp %t.discard.obj %t.obj && lld-link /dll /noentry /nodefaultlib %t.discard.obj %t.obj |
| # RUN: cp %t.one_only.obj %t.obj && not lld-link /dll /noentry /nodefaultlib %t.one_only.obj %t.obj 2>&1 | FileCheck --check-prefix=ONEONE %s |
| # ONEONE: lld-link: error: duplicate symbol: symbol |
| # RUN: cp %t.same_size.obj %t.obj && lld-link /dll /noentry /nodefaultlib %t.same_size.obj %t.obj |
| # RUN: cp %t.same_contents.obj %t.obj && lld-link /dll /noentry /nodefaultlib %t.same_contents.obj %t.obj |
| # RUN: cp %t.largest.obj %t.obj && lld-link /dll /noentry /nodefaultlib %t.largest.obj %t.obj |
| # RUN: cp %t.newest.obj %t.obj && env LLD_IN_TEST=1 not lld-link /dll /noentry /nodefaultlib %t.newest.obj %t.obj 2>&1 | FileCheck --check-prefix=NEWNEW %s |
| # NEWNEW: lld-link: error: unknown comdat type 7 for symbol |
| |
| # /force doesn't affect errors about unknown comdat types. |
| # RUN: cp %t.newest.obj %t.obj && env LLD_IN_TEST=1 not lld-link /force /dll /noentry /nodefaultlib %t.newest.obj %t.obj 2>&1 | FileCheck --check-prefix=NEWNEWFORCE %s |
| # NEWNEWFORCE: lld-link: error: unknown comdat type 7 for symbol |
| |
| # Check that same_size, same_contents, largest do what they're supposed to. |
| |
| # Check that the "same_size" selection produces an error if passed two symbols |
| # with different size. |
| # RUN: not lld-link /dll /noentry /nodefaultlib %t.same_size.obj %t.same_size.short.obj 2>&1 | FileCheck --check-prefix=SAMESIZEDUPE %s |
| # SAMESIZEDUPE: lld-link: error: duplicate symbol: symbol |
| |
| # Check that the "same_contents" selection produces an error if passed two |
| # symbols with different contents. |
| # RUN: not lld-link /dll /noentry /nodefaultlib %t.same_contents.obj %t.same_contents.2.obj 2>&1 | FileCheck --check-prefix=SAMECONTENTSDUPE1 %s |
| # SAMECONTENTSDUPE1: lld-link: error: duplicate symbol: symbol |
| # RUN: not lld-link /dll /noentry /nodefaultlib %t.same_contents.obj %t.same_contents.2.obj 2>&1 | FileCheck --check-prefix=SAMECONTENTSDUPE2 %s |
| # SAMECONTENTSDUPE2: lld-link: error: duplicate symbol: symbol |
| |
| # Check that the "largest" selection picks the larger comdat (independent of |
| # the order the .obj files are passed on the commandline). |
| # RUN: lld-link /opt:noref /include:symbol /dll /noentry /nodefaultlib %t.largest.obj %t.largest.short.2.obj /out:%t.exe |
| # RUN: llvm-objdump -s %t.exe | FileCheck --check-prefix=LARGEST1 %s |
| # LARGEST1: Contents of section .text: |
| # LARGEST1: 180001000 01000000 .... |
| |
| # FIXME: Make this pass when /opt:noref is passed. |
| # RUN: lld-link /include:symbol /dll /noentry /nodefaultlib %t.largest.short.2.obj %t.largest.obj /out:%t.exe |
| # RUN: llvm-objdump -s %t.exe | FileCheck --check-prefix=LARGEST2 %s |
| # LARGEST2: Contents of section .text: |
| # LARGEST2: 180001000 01000000 .... |
| |
| |
| # Test linking the same symbol with different comdat selection types. |
| # link.exe generally rejects this, except for "largest" which is allowed to |
| # combine with everything (https://bugs.llvm.org/show_bug.cgi?id=40094#c7). |
| # lld-link rejects all comdat selection type mismatches. Spot-test just a few |
| # combinations. |
| |
| # RUN: not lld-link /verbose /dll /noentry /nodefaultlib %t.discard.obj %t.one_only.obj 2>&1 | FileCheck --check-prefix=DISCARDONE %s |
| # DISCARDONE: lld-link: conflicting comdat type for symbol: 2 in |
| # DISCARDONE: lld-link: error: duplicate symbol: symbol |
| # RUN: lld-link /verbose /force /dll /noentry /nodefaultlib %t.discard.obj %t.one_only.obj 2>&1 | FileCheck --check-prefix=DISCARDONEFORCE %s |
| # DISCARDONEFORCE: lld-link: conflicting comdat type for symbol: 2 in |
| # DISCARDONEFORCE: lld-link: warning: duplicate symbol: symbol |
| |
| # Make sure the error isn't depending on the order of .obj files. |
| # RUN: not lld-link /verbose /dll /noentry /nodefaultlib %t.one_only.obj %t.discard.obj 2>&1 | FileCheck --check-prefix=ONEDISCARD %s |
| # ONEDISCARD: lld-link: conflicting comdat type for symbol: 1 in |
| # ONEDISCARD: lld-link: error: duplicate symbol: symbol |
| |
| # RUN: not lld-link /verbose /dll /noentry /nodefaultlib %t.same_contents.obj %t.same_size.obj 2>&1 | FileCheck --check-prefix=CONTENTSSIZE %s |
| # CONTENTSSIZE: lld-link: conflicting comdat type for symbol: 4 in |
| # CONTENTSSIZE: lld-link: error: duplicate symbol: symbol |
| |
| # Check that linking one 'discard' and one 'largest' has the effect of |
| # 'largest'. |
| # RUN: lld-link /dll /noentry /nodefaultlib %t.discard.short.2.obj %t.largest.obj |
| # RUN: llvm-objdump -s %t.exe | FileCheck --check-prefix=DISCARDLARGEST %s |
| # DISCARDLARGEST: Contents of section .text: |
| # DISCARDLARGEST: 180001000 01000000 .... |
| # RUN: lld-link /dll /noentry /nodefaultlib %t.largest.obj %t.discard.short.2.obj |
| # RUN: llvm-objdump -s %t.exe | FileCheck --check-prefix=LARGESTDISCARD %s |
| # LARGESTDISCARD: Contents of section .text: |
| # LARGESTDISCARD: 180001000 01000000 .... |
| |
| |
| # These cases are accepted by link.exe but not by lld-link. |
| # RUN: not lld-link /verbose /dll /noentry /nodefaultlib %t.largest.obj %t.one_only.obj 2>&1 | FileCheck --check-prefix=LARGESTONE %s |
| # LARGESTONE: lld-link: conflicting comdat type for symbol: 6 in |
| # LARGESTONE: lld-link: error: duplicate symbol: symbol |
