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llvm-project/lld/test/ELF/dt_flags.s

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[ELF2] -z now option implemented When generating an executable or shared library, mark it to tell the dynamic linker to resolve all symbols when the program is started, or when the shared library is linked to using dlopen, instead of deferring function call resolution to the point when the function is first called. Differential Revision: http://reviews.llvm.org/D13468 llvm-svn: 249551
2015-10-07 23:00:21 +08:00
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
Rename ld.lld2 to ld.lld since it is the default. llvm-svn: 253437
2015-11-18 14:11:01 +08:00
# RUN: ld.lld -shared %t -o %t.so
Add -z {combreloc,copyreloc,noexecstack,lazy,relro,text}. Differential Revision: https://reviews.llvm.org/D45902 llvm-svn: 330482
2018-04-21 05:24:08 +08:00
[ELF] - Implement -z nodefaultlib This is https://bugs.llvm.org//show_bug.cgi?id=38978 Spec says that: "Objects may be built with the -z nodefaultlib option to suppress any search of the default locations at runtime. Use of this option implies that all the dependencies of an object can be located using its runpaths. Without this option, which is the most common case, no matter how you augment the runtime linker's library search path, its last element is always /usr/lib for 32-bit objects and /usr/lib/64 for 64-bit objects." The patch implements this option. Differential revision: https://reviews.llvm.org/D54577 llvm-svn: 347647
2018-11-27 17:48:17 +08:00
# RUN: ld.lld -z global -z initfirst -z interpose -z now -z nodefaultlib \
# RUN: -z nodelete -z nodlopen -z origin -Bsymbolic %t %t.so -o %t1
[test] Change llvm-readobj -long-option to --long-option or well-known short options. NFC Also change some options that have different semantics (cause confusion) in llvm-readelf mode: -s => -S -t => --symbols -sd => --section-data llvm-svn: 359651
2019-05-01 13:49:01 +08:00
# RUN: llvm-readobj --dynamic-table %t1 | FileCheck -check-prefix=FLAGS %s
Add -z {combreloc,copyreloc,noexecstack,lazy,relro,text}. Differential Revision: https://reviews.llvm.org/D45902 llvm-svn: 330482
2018-04-21 05:24:08 +08:00
# RUN: ld.lld %t %t.so -o %t2
[test] Change llvm-readobj -long-option to --long-option or well-known short options. NFC Also change some options that have different semantics (cause confusion) in llvm-readelf mode: -s => -S -t => --symbols -sd => --section-data llvm-svn: 359651
2019-05-01 13:49:01 +08:00
# RUN: llvm-readobj --dynamic-table %t2 | FileCheck %s
Add -z {combreloc,copyreloc,noexecstack,lazy,relro,text}. Differential Revision: https://reviews.llvm.org/D45902 llvm-svn: 330482
2018-04-21 05:24:08 +08:00
# RUN: ld.lld -z lazy %t %t.so -o %t2
[test] Change llvm-readobj -long-option to --long-option or well-known short options. NFC Also change some options that have different semantics (cause confusion) in llvm-readelf mode: -s => -S -t => --symbols -sd => --section-data llvm-svn: 359651
2019-05-01 13:49:01 +08:00
# RUN: llvm-readobj --dynamic-table %t2 | FileCheck %s
[ELF2] -z now option implemented When generating an executable or shared library, mark it to tell the dynamic linker to resolve all symbols when the program is started, or when the shared library is linked to using dlopen, instead of deferring function call resolution to the point when the function is first called. Differential Revision: http://reviews.llvm.org/D13468 llvm-svn: 249551
2015-10-07 23:00:21 +08:00
[ELF2] Add support for -Bsymbolic. llvm-svn: 250225
2015-10-14 05:02:34 +08:00
# FLAGS: DynamicSection [
[ELF2] Add support for -z origin. llvm-svn: 250907
2015-10-22 01:09:47 +08:00
# FLAGS: 0x000000000000001E FLAGS ORIGIN SYMBOLIC BIND_NOW
[ELF] - Implement -z nodefaultlib This is https://bugs.llvm.org//show_bug.cgi?id=38978 Spec says that: "Objects may be built with the -z nodefaultlib option to suppress any search of the default locations at runtime. Use of this option implies that all the dependencies of an object can be located using its runpaths. Without this option, which is the most common case, no matter how you augment the runtime linker's library search path, its last element is always /usr/lib for 32-bit objects and /usr/lib/64 for 64-bit objects." The patch implements this option. Differential revision: https://reviews.llvm.org/D54577 llvm-svn: 347647
2018-11-27 17:48:17 +08:00
# FLAGS: 0x000000006FFFFFFB FLAGS_1 NOW GLOBAL NODELETE INITFIRST NOOPEN ORIGIN INTERPOSE NODEFLIB
[ELF2] Add support for -Bsymbolic. llvm-svn: 250225
2015-10-14 05:02:34 +08:00
# FLAGS: ]
[ELF2] -z now option implemented When generating an executable or shared library, mark it to tell the dynamic linker to resolve all symbols when the program is started, or when the shared library is linked to using dlopen, instead of deferring function call resolution to the point when the function is first called. Differential Revision: http://reviews.llvm.org/D13468 llvm-svn: 249551
2015-10-07 23:00:21 +08:00
# CHECK: DynamicSection [
[ELF] Support -z initfirst Summary: glibc uses this option to link libpthread.so glibc/nptl/Makefile: LDFLAGS-pthread.so = -Wl,--enable-new-dtags,-z,nodelete,-z,initfirst Reviewers: ruiu, echristo, espindola Subscribers: emaste, arichardson, llvm-commits Differential Revision: https://reviews.llvm.org/D48329 llvm-svn: 335090
2018-06-20 10:06:01 +08:00
# CHECK-NOT: FLAGS
# CHECK-NOT: FLAGS_1
[ELF2] -z now option implemented When generating an executable or shared library, mark it to tell the dynamic linker to resolve all symbols when the program is started, or when the shared library is linked to using dlopen, instead of deferring function call resolution to the point when the function is first called. Differential Revision: http://reviews.llvm.org/D13468 llvm-svn: 249551
2015-10-07 23:00:21 +08:00
# CHECK: ]
.globl _start
_start: