http://sourceware.org/bugzilla/show_bug.cgi?id=15280
Bug #: 15280
Summary: tls_script_test failure when built with -O3
Product: binutils
Version: 2.24 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: gold
AssignedTo: i...@airs.com
ReportedBy: amo...@gmail.com
CC: ccout...@google.com
Classification: Unclassified
Found when building x86_64 gold with -O3. The following testcase reproduces
the problem using the same sizes and alignments of .tdata and .tbss as my
x86_64 gcc produces. Apparently when .tbss is sufficiently aligned, gold
sneaks another section in between .tdata and .tbss.
cat > tls_test1.s <<\EOF
.section .tbss,"waT",@nobits
.p2align 4
.space 52
.section .tdata,"waT",@progbits
.p2align 4
.space 48
EOF
cat > tls_test2.s <<\EOF
.section .tbss,"waT",@nobits
.p2align 2
.space 8
.section .tdata,"waT",@progbits
.p2align 2
.space 4
EOF
cat > tls_test3.s <<\EOF
.tls_common v7,4,4
.section .got,"wa",@progbits
.space 8
EOF
gas/as-new -o tls_test1.o tls_test1.s
gas/as-new -o tls_test2.o tls_test2.s
gas/as-new -o tls_test3.o tls_test3.s
gold/ld-new -o tls_test tls_test1.o tls_test2.o tls_test3.o -T
/src/binutils-virgin/gold/testsuite/script_test_4.t
results in
gold/ld-new: error: TLS sections are not adjacent
gold/ld-new: internal error in segment_precedes, at
/src/binutils-virgin/gold/layout.cc:3183
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