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Merge llvm-project main llvmorg-12-init-17869-g8e464dd76bef This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp to llvmorg-12-init-17869-g8e464dd76bef, the last commit before the upstream release/12.x branch was created. PR: 255570 (cherry picked from commite8d8bef961) Merge llvm-project 12.0.0 release This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp to llvmorg-12.0.0-0-gd28af7c654d8, a.k.a. 12.0.0 release. PR: 255570 (cherry picked from commitd409305fa3) Disable strict-fp for powerpcspe, as it does not work properly yet Merge commit 5c18d1136665 from llvm git (by Qiu Chaofan) [SPE] Disable strict-fp for SPE by default As discussed in PR50385, strict-fp on PowerPC SPE has not been handled well. This patch disables it by default for SPE. Reviewed By: nemanjai, vit9696, jhibbits Differential Revision: https://reviews.llvm.org/D103235 PR: 255570 (cherry picked from commit715df83abc) Apply upstream libc++ fix to allow building with devel/xxx-xtoolchain-gcc Merge commit 52e9d80d5db2 from llvm git (by Jason Liu): [libc++] add `inline` for __open's definition in ifstream and ofstream Summary: When building with gcc on AIX, it seems that gcc does not like the `always_inline` without the `inline` keyword. So adding the inline keywords in for __open in ifstream and ofstream. That will also make it consistent with __open in basic_filebuf (it seems we added `inline` there before for gcc build as well). Differential Revision: https://reviews.llvm.org/D99422 PR: 255570 (cherry picked from commitd099db2546) Undefine HAVE_(DE)REGISTER_FRAME in llvm's config.h on arm Otherwise, the lli tool (enable by WITH_CLANG_EXTRAS) won't link on arm, stating that __register_frame is undefined. This function is normally provided by libunwind, but explicitly not for the ARM Exception ABI. Reported by: oh PR: 255570 (cherry picked from commitf336b45e94) Merge llvm-project 12.0.1 rc2 This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp to llvmorg-12.0.1-rc2-0-ge7dac564cd0e, a.k.a. 12.0.1 rc2. PR: 255570 (cherry picked from commit23408297fb) Revert libunwind change to fix backtrace segfault on aarch64 Revert commit 22b615a96593 from llvm git (by Daniel Kiss): [libunwind] Support for leaf function unwinding. Unwinding leaf function is useful in cases when the backtrace finds a leaf function for example when it caused a signal. This patch also add the support for the DW_CFA_undefined because it marks the end of the frames. Ryan Prichard provided code for the tests. Reviewed By: #libunwind, mstorsjo Differential Revision: https://reviews.llvm.org/D83573 Reland with limit the test to the x86_64-linux target. Bisection has shown that this particular upstream commit causes programs using backtrace(3) on aarch64 to segfault. This affects the lang/rust port, for instance. Until we can upstream to fix this problem, revert the commit for now. Reported by: mikael PR: 256864 (cherry picked from commit5866c369e4) Merge llvm-project 12.0.1 release This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp to llvmorg-12.0.1-0-gfed41342a82f, a.k.a. 12.0.1 release. PR: 255570 (cherry picked from commit4652422eb4) compilert-rt: build out-of-line LSE atomics helpers for aarch64 Both clang >= 12 and gcc >= 10.1 now default to -moutline-atomics for aarch64. This requires a bunch of helper functions in libcompiler_rt.a, to avoid link errors like "undefined symbol: __aarch64_ldadd8_acq_rel". (Note: of course you can use -mno-outline-atomics as a workaround too, but this would negate the potential performance benefit of the faster LSE instructions.) Bump __FreeBSD_version so ports maintainers can easily detect this. PR: 257392 (cherry picked from commitcc55ee8009)
179 lines
3.9 KiB
Groff
179 lines
3.9 KiB
Groff
.\" $FreeBSD$
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.\" Man page generated from reStructuredText.
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..
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.de1 INDENT
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.\" .rstReportMargin pre:
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.in \\n[rst2man-indent\\n[rst2man-indent-level]]u
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..
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.TH "LLVM-STRINGS" "1" "2021-06-07" "12" "LLVM"
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.SH NAME
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llvm-strings \- print strings
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.SH SYNOPSIS
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.sp
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\fBllvm\-strings\fP [\fIoptions\fP] [\fIinput...\fP]
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.SH DESCRIPTION
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.sp
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\fBllvm\-strings\fP is a tool intended as a drop\-in replacement for GNU\(aqs
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\fBstrings\fP, which looks for printable strings in files and writes them
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to the standard output stream. A printable string is any sequence of four (by
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default) or more printable ASCII characters. The end of the file, or any other
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byte, terminates the current sequence.
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.sp
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\fBllvm\-strings\fP looks for strings in each \fBinput\fP file specified.
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Unlike GNU \fBstrings\fP it looks in the entire input file, regardless of
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file format, rather than restricting the search to certain sections of object
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files. If "\fB\-\fP" is specified as an \fBinput\fP, or no \fBinput\fP is specified,
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the program reads from the standard input stream.
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.SH EXAMPLE
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.INDENT 0.0
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.INDENT 3.5
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.sp
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.nf
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.ft C
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$ cat input.txt
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bars
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foo
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wibble blob
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$ llvm\-strings input.txt
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bars
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wibble blob
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.ft P
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.fi
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.UNINDENT
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.UNINDENT
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.SH OPTIONS
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.INDENT 0.0
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.TP
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.B \-\-all, \-a
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Silently ignored. Present for GNU \fBstrings\fP compatibility.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-bytes=<length>, \-n
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Set the minimum number of printable ASCII characters required for a sequence of
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bytes to be considered a string. The default value is 4.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-help, \-h
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Display a summary of command line options.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-help\-list
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Display an uncategorized summary of command line options.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-print\-file\-name, \-f
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Display the name of the containing file before each string.
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.sp
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Example:
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.INDENT 7.0
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.INDENT 3.5
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.sp
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.nf
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.ft C
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$ llvm\-strings \-\-print\-file\-name test.o test.elf
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test.o: _Z5hellov
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test.o: some_bss
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test.o: test.cpp
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test.o: main
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test.elf: test.cpp
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test.elf: test2.cpp
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test.elf: _Z5hellov
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test.elf: main
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test.elf: some_bss
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.ft P
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.fi
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.UNINDENT
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.UNINDENT
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-radix=<radix>, \-t
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Display the offset within the file of each string, before the string and using
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the specified radix. Valid \fB<radix>\fP values are \fBo\fP, \fBd\fP and \fBx\fP for
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octal, decimal and hexadecimal respectively.
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.sp
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Example:
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.INDENT 7.0
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.INDENT 3.5
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.sp
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.nf
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.ft C
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$ llvm\-strings \-\-radix=o test.o
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1054 _Z5hellov
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1066 .rela.text
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1101 .comment
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1112 some_bss
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1123 .bss
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1130 test.cpp
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1141 main
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$ llvm\-strings \-\-radix=d test.o
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556 _Z5hellov
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566 .rela.text
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577 .comment
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586 some_bss
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595 .bss
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600 test.cpp
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609 main
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$ llvm\-strings \-t x test.o
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22c _Z5hellov
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236 .rela.text
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241 .comment
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24a some_bss
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253 .bss
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258 test.cpp
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261 main
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.ft P
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.fi
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.UNINDENT
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.UNINDENT
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-version
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Display the version of the \fBllvm\-strings\fP executable.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B @<FILE>
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Read command\-line options from response file \fB<FILE>\fP\&.
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.UNINDENT
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.SH EXIT STATUS
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.sp
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\fBllvm\-strings\fP exits with a non\-zero exit code if there is an error.
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Otherwise, it exits with code 0.
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.SH BUGS
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.sp
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To report bugs, please visit <\fI\%https://bugs.llvm.org/\fP>.
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.SH AUTHOR
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Maintained by the LLVM Team (https://llvm.org/).
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.SH COPYRIGHT
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2003-2021, LLVM Project
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.\" Generated by docutils manpage writer.
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.
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