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llvm-mirror/test/Object/archive-format.test
Peter Wu ba0da850a8 [Object] Deduplicate long archive member names
Summary:
Import libraries as created by llvm-dlltool always use the same archive
member name for every object file (namely, the DLL library name). Ensure
that long names are not repeatedly stored in the string table.

Reviewed By: ruiu

Differential Revision: https://reviews.llvm.org/D55860

llvm-svn: 349637
2018-12-19 16:15:05 +00:00

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Test the exact archive format. In particular, test which file names use the
string table or not.
RUN: mkdir -p %t
RUN: cd %t
RUN: printf bar. > 0123456789abcde
RUN: printf zed. > 0123456789abcdef
RUN: mkdir -p foo
RUN: printf bar2 > foo/0123456789abcde
RUN: printf zed2 > foo/0123456789abcdef
RUN: rm -f %t.a
RUN: llvm-ar --format=gnu rc %t.a 0123456789abcde 0123456789abcdef foo/0123456789abcde foo/0123456789abcdef
RUN: cat %t.a | FileCheck -strict-whitespace %s
CHECK: !<arch>
CHECK-NEXT: // 18 `
CHECK-NEXT: 0123456789abcdef/
CHECK-NEXT: 0123456789abcde/0 0 0 644 4 `
CHECK-NEXT: bar.
CHECK-SAME: /0 0 0 0 644 4 `
CHECK-NEXT: zed.
CHECK-SAME: 0123456789abcde/0 0 0 644 4 `
CHECK-NEXT: bar2
CHECK-SAME: /0 0 0 0 644 4 `
CHECK-NEXT: zed2
RUN: rm -f %t.a
RUN: llvm-ar --format=bsd rc %t.a 0123456789abcde 0123456789abcdef
RUN: cat %t.a | FileCheck -strict-whitespace --check-prefix=BSD %s
BSD: !<arch>
BSD-NEXT: #1/20 0 0 0 644 24 `
BSD-NEXT: 0123456789abcde{{.....}}bar.
BSD-SAME: #1/16 0 0 0 644 20 `
BSD-NEXT: 0123456789abcdefzed.
RUN: rm -f %t.a
RUN: llvm-ar --format=darwin rcS %t.a 0123456789abcde 0123456789abcdef
RUN: cat %t.a | FileCheck -strict-whitespace --check-prefix=DARWIN %s
DARWIN: !<arch>
DARWIN-NEXT: #1/20 0 0 0 644 28 `
Each [[:space:]] matches a newline. We explicitly match 3 newlines, as the
fourth newline is implicitly consumed by FileCheck and cannot be matched.
DARWIN-NEXT: 0123456789abcde{{.....}}bar.{{[[:space:]][[:space:]][[:space:]]}}
DARWIN-NEXT: #1/20 0 0 0 644 28 `
DARWIN-NEXT: 0123456789abcdef{{....}}zed.
RUN: rm -f test.a
RUN: llvm-ar --format=gnu rcT test.a 0123456789abcde 0123456789abcdef
RUN: cat test.a | FileCheck -strict-whitespace --check-prefix=THIN %s
THIN: !<thin>
THIN-NEXT: // 36 `
THIN-NEXT: 0123456789abcde/
THIN-NEXT: 0123456789abcdef/{{$}}
THIN: {{^$}}
THIN: /0 0 0 0 644 4 `
THIN-NEXT: /17 0 0 0 644 4 `
RUN: mkdir -p bar
RUN: rm -f bar/test.a
RUN: llvm-ar --format=gnu rcT bar/test.a 0123456789abcde 0123456789abcdef foo/0123456789abcde foo/0123456789abcdef
RUN: cat bar/test.a | FileCheck -strict-whitespace --check-prefix=THIN-PATH %s
THIN-PATH: !<thin>
THIN-PATH-NEXT: // 90 `
THIN-PATH-NEXT: ..{{/|\\}}0123456789abcde/
THIN-PATH-NEXT: ..{{/|\\}}0123456789abcdef/
THIN-PATH-NEXT: ..{{/|\\}}foo{{/|\\}}0123456789abcde/
THIN-PATH-NEXT: ..{{/|\\}}foo{{/|\\}}0123456789abcdef/
THIN-PATH-NEXT: /0 0 0 0 644 4 `
THIN-PATH-NEXT: /20 0 0 0 644 4 `
THIN-PATH-NEXT: /41 0 0 0 644 4 `
THIN-PATH-NEXT: /65 0 0 0 644 4 `
RUN: not llvm-ar --format=bsd rcT bad.a 0123456789abcde 0123456789abcdef 2>&1 | FileCheck --check-prefix=BSD-THIN %s
BSD-THIN: Only the gnu format has a thin mode.
If an archive has an object with no symbols, the linker and some other
tools on some versions of Solaris will abort operations if there is no
symbol table. Create such an object, put it into an archive, and check to
see that there is an empty symbol table.
RUN: mkdir -p %t
RUN: yaml2obj %S/Inputs/solaris-nosymbols.yaml > %t/foo.o
RUN: llvm-ar rs %t/foo.a %t/foo.o
RUN: cat -v %t/foo.a | FileCheck -strict-whitespace --check-prefix=SOLARIS %s
SOLARIS: !<arch>
SOLARIS-NEXT: / 0 0 0 0 8 `
SOLARIS-NEXT: ^@^@^@^@^@^@^@^@foo.o/