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llvm-project/lld/test/ELF/sort-norosegment.s

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[ELF] - Do not put non exec sections first when -no-rosegment That unifies handling cases when we have SECTIONS and when -no-rosegment is given in compareSectionsNonScript() Now Config->SingleRoRx is used for check, testcase is provided. llvm-svn: 288022
2016-11-28 18:26:21 +08:00
# REQUIRES: x86
[ELF] Change test files for style consistency. NFC * Move `REQUIRES:` line to the top * llvm-mc ... -o %t -> llvm-mc ... -o %t.o * Don't check "TEXT" "DATA" columns (they are bfd-style names that do not fit into llvm well) in llvm-objdump output llvm-svn: 335498
2018-06-26 01:07:40 +08:00
# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
[ELF] - Do not put non exec sections first when -no-rosegment That unifies handling cases when we have SECTIONS and when -no-rosegment is given in compareSectionsNonScript() Now Config->SingleRoRx is used for check, testcase is provided. llvm-svn: 288022
2016-11-28 18:26:21 +08:00
[ELF] Change test files for style consistency. NFC * Move `REQUIRES:` line to the top * llvm-mc ... -o %t -> llvm-mc ... -o %t.o * Don't check "TEXT" "DATA" columns (they are bfd-style names that do not fit into llvm well) in llvm-objdump output llvm-svn: 335498
2018-06-26 01:07:40 +08:00
# RUN: ld.lld --hash-style=sysv -no-rosegment -o %t %t.o -shared
# RUN: llvm-readelf -s %t | FileCheck %s
[ELF] - Do not put non exec sections first when -no-rosegment That unifies handling cases when we have SECTIONS and when -no-rosegment is given in compareSectionsNonScript() Now Config->SingleRoRx is used for check, testcase is provided. llvm-svn: 288022
2016-11-28 18:26:21 +08:00
[lld] Mitigate relocation overflow [part 1 of 2]. This CL places .dynsym and .dynstr at the beginning of SHF_ALLOC sections. We do this to mitigate the possibility that huge .dynsym and .dynstr sections placed between ro-data and text sections cause relocation overflow. Differential Revision: https://reviews.llvm.org/D45788 llvm-svn: 332374
2018-05-16 01:02:35 +08:00
# CHECK: .dynsym {{.*}} A
# CHECK-NEXT: .hash {{.*}} A
[ELF] Make non-writable non-executable PROGBITS sections closer to .text This generalizes the old heuristic placing SHT_DYNSYM SHT_DYNSTR first in the readonly SHF_ALLOC segment. Reviewers: espindola Subscribers: emaste, arichardson, llvm-commits Differential Revision: https://reviews.llvm.org/D48406 llvm-svn: 335674
2018-06-27 06:13:32 +08:00
# CHECK-NEXT: .dynstr {{.*}} A
[ELF] Assign RF_EXEC rank even if --no-rosegment or SECTIONS command is used Summary: Currently when --no-rosegment is specified or a linker script with SECTIONS command is used, .rodata (A) .text (AX) are assigned the same rank and .rodata may be placed after .text . This increases the gap between .text and .bss and can cause pc-relative relocation overflow (e.g. gcc crtbegin.o crtbegin.S have R_X86_64_PC32 relocation from .text to .bss). This patch makes SingleRoRx affect only segment layout, not section layout. As a consequence, .rodata will be placed before .text regardless of SingleRoRx. Reviewers: espindola, ruiu, grimar, echristo, javed.absar Subscribers: emaste, arichardson, llvm-commits Differential Revision: https://reviews.llvm.org/D48405 llvm-svn: 335627
2018-06-27 01:04:47 +08:00
# CHECK-NEXT: .text {{.*}} AX
[ELF] - Do not put non exec sections first when -no-rosegment That unifies handling cases when we have SECTIONS and when -no-rosegment is given in compareSectionsNonScript() Now Config->SingleRoRx is used for check, testcase is provided. llvm-svn: 288022
2016-11-28 18:26:21 +08:00
# CHECK-NEXT: foo {{.*}} WA
ELF: Place relro sections after non-relro sections in r/w segment. This is in preparation for my next change, which will introduce a relro nobits section. That requires that relro sections appear at the end of the progbits part of the r/w segment so that the relro nobits section can appear contiguously. Because of the amount of churn required in the test suite, I'm making this change separately. llvm-svn: 291523
2017-01-10 09:21:30 +08:00
# CHECK-NEXT: .dynamic {{.*}} WA
[ELF] - Do not put non exec sections first when -no-rosegment That unifies handling cases when we have SECTIONS and when -no-rosegment is given in compareSectionsNonScript() Now Config->SingleRoRx is used for check, testcase is provided. llvm-svn: 288022
2016-11-28 18:26:21 +08:00
.section foo, "aw"
.byte 0