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llvm-mirror/test/Object/archive-format.test
James Y Knight 6f1053539e llvm-ar: Darwin archive format fixes.
* Support writing the DARWIN64 symbol table format.

* In darwin archives, emit a symbol table whenever requested, even
  when there are no members, as the apple linker will abort if given
  an archive without a symbol table.

Added tests for same, and also simplified and moved the GNU 64-bit
symbol table test into archive-symtab.test.

llvm-svn: 344183
2018-10-10 21:07:02 +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: // 36 `
CHECK-NEXT: 0123456789abcdef/
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: /18 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/