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authorFangrui Song <maskray@google.com>2020-04-21 13:28:42 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2020-04-21 15:10:10 -0300
commiteb06601bb4187d8f5a9f55c2d212747869f63fe1 (patch)
tree1f3b3e64ea9fd5a3e55c1736e9ae127c3f6bc7e8
parent566e10aa7292bacd74d229ca6f2cd9e8c8ba8748 (diff)
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elf: Support lld-style link map for librtld.map
GNU ld and gold's -Map include a line like: path/to/build/libc_pic.a(check_fds.os) lld -Map does not have the archive member list, but we can still derive the members from the following output VMA LMA Size Align Out In Symbol ... 1a1c0 1a1c0 e2 16 path/to/build/libc_pic.a(check_fds.os):(.text)
-rw-r--r--elf/Makefile3
1 files changed, 2 insertions, 1 deletions
diff --git a/elf/Makefile b/elf/Makefile
index 9b1d58c7ad..6919e53c14 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -514,9 +514,10 @@ $(objpfx)librtld.map: $(objpfx)dl-allobjs.os $(common-objpfx)libc_pic.a
rm -f $@.o
mv -f $@T $@
+# For lld, skip preceding addresses and values before matching the archive and the member.
$(objpfx)librtld.mk: $(objpfx)librtld.map Makefile
LC_ALL=C \
- sed -n 's@^$(common-objpfx)\([^(]*\)(\([^)]*\.os\)) *.*$$@\1 \2@p' \
+ sed -n 's@^[0-9a-f ]*$(common-objpfx)\([^(]*\)(\([^)]*\.os\)) *.*$$@\1 \2@p' \
$< | \
while read lib file; do \
case $$lib in \