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| author | Stan Shebs <stanshebs@google.com> | 2018-02-14 09:15:44 -0800 |
|---|---|---|
| committer | Stan Shebs <stanshebs@google.com> | 2019-04-24 11:04:33 -0700 |
| commit | 52a7cb28f99848030069890105165a5da6d54147 (patch) | |
| tree | 848b8caca532fbd32fb3569b83d6153fa030400b /elf | |
| parent | 1cfcdae9796ab91b7f89f8ee7a808bf12842f8e3 (diff) | |
| download | glibc-52a7cb28f99848030069890105165a5da6d54147.tar.gz glibc-52a7cb28f99848030069890105165a5da6d54147.tar.xz glibc-52a7cb28f99848030069890105165a5da6d54147.zip | |
Add a --with-lld option to choose LLVMs lld linker
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/Makefile | 3 | ||||
| -rw-r--r-- | elf/rtld.c | 6 |
2 files changed, 8 insertions, 1 deletions
diff --git a/elf/Makefile b/elf/Makefile index 9cf5cd8dfd..2d7162d3cc 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -458,9 +458,10 @@ $(objpfx)librtld.map: $(objpfx)dl-allobjs.os $(common-objpfx)libc_pic.a rm -f $@.o mv -f $@T $@ +# For lld, add to regexp below for optional address and size to be at front of line. $(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 \ diff --git a/elf/rtld.c b/elf/rtld.c index 631021d73e..c1443cba7d 100644 --- a/elf/rtld.c +++ b/elf/rtld.c @@ -393,7 +393,13 @@ _dl_start_final (void *arg, struct dl_start_final_info *info) #endif _dl_setup_hash (&GL(dl_rtld_map)); GL(dl_rtld_map).l_real = &GL(dl_rtld_map); +#if defined(__clang__) + /* Work around an lld complaint that _begin cannot have a reloc and + also be absolute because of _begin=0 on linker line. */ + GL(dl_rtld_map).l_map_start = (ElfW(Addr)) 0; +#else GL(dl_rtld_map).l_map_start = (ElfW(Addr)) _begin; +#endif GL(dl_rtld_map).l_map_end = (ElfW(Addr)) _end; GL(dl_rtld_map).l_text_end = (ElfW(Addr)) _etext; /* Copy the TLS related data if necessary. */ |