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[ELF] Fall back to search dirs for linker scripts specified with -T
Summary: This matches the behaviour of ld.bfd: https://sourceware.org/binutils/docs/ld/Options.html#Options If scriptfile does not exist in the current directory, ld looks for it in the directories specified by any preceding '-L' options. Multiple '-T' options accumulate. Reviewers: ruiu, grimar Reviewed By: ruiu, grimar Subscribers: emaste, llvm-commits Differential Revision: https://reviews.llvm.org/D40129 llvm-svn: 318655
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# REQUIRES: x86 | ||
# Check that we fall back to search paths if a linker script was not found | ||
# This behaviour matches ld.bfd and various projects appear to rely on this | ||
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o | ||
# RUN: mkdir -p %T/searchpath | ||
# RUN: echo "OUTPUT(\"%t.out\")" > %T/searchpath/foo.script | ||
# RUN: ld.lld -T%T/searchpath/foo.script %t.o | ||
# RUN: llvm-readobj %t.out | FileCheck %s | ||
# CHECK: Format: ELF64-x86-64 | ||
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# If the linker script specified with -T is missing we should emit an error | ||
# RUN: not ld.lld -Tfoo.script %t.o 2>&1 | FileCheck %s -check-prefix ERROR | ||
# ERROR: error: cannot find linker script foo.script | ||
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# But if it exists in the search path we should fall back to that instead: | ||
# RUN: rm %t.out | ||
# RUN: ld.lld -L %T/searchpath -Tfoo.script %t.o | ||
# RUN: llvm-readobj %t.out | FileCheck %s |
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