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2018-11-08 Roman Geissler <roman.geissler@amadeus.com>
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* collect2.c (linker_select): Add USE_LLD_LD.
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(ld_suffixes): Add ld.lld.
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(main): Handle -fuse-ld=lld.
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* common.opt (-fuse-ld=lld): New option.
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* doc/invoke.texi (-fuse-ld=lld): Document.
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* opts.c (common_handle_option): Handle OPT_fuse_ld_lld.
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--- gcc/collect2.c
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+++ gcc/collect2.c
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@@ -831,6 +831,7 @@ main (int argc, char **argv)
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USE_PLUGIN_LD,
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USE_GOLD_LD,
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USE_BFD_LD,
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+ USE_LLD_LD,
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USE_LD_MAX
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} selected_linker = USE_DEFAULT_LD;
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static const char *const ld_suffixes[USE_LD_MAX] =
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@@ -838,7 +839,8 @@ main (int argc, char **argv)
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"ld",
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PLUGIN_LD_SUFFIX,
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"ld.gold",
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- "ld.bfd"
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+ "ld.bfd",
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+ "ld.lld"
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};
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static const char *const real_ld_suffix = "real-ld";
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static const char *const collect_ld_suffix = "collect-ld";
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@@ -1007,6 +1009,8 @@ main (int argc, char **argv)
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selected_linker = USE_BFD_LD;
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else if (strcmp (argv[i], "-fuse-ld=gold") == 0)
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selected_linker = USE_GOLD_LD;
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+ else if (strcmp (argv[i], "-fuse-ld=lld") == 0)
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+ selected_linker = USE_LLD_LD;
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#ifdef COLLECT_EXPORT_LIST
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/* These flags are position independent, although their order
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@@ -1096,7 +1100,8 @@ main (int argc, char **argv)
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/* Maybe we know the right file to use (if not cross). */
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ld_file_name = 0;
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#ifdef DEFAULT_LINKER
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- if (selected_linker == USE_BFD_LD || selected_linker == USE_GOLD_LD)
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+ if (selected_linker == USE_BFD_LD || selected_linker == USE_GOLD_LD ||
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+ selected_linker == USE_LLD_LD)
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{
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char *linker_name;
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# ifdef HOST_EXECUTABLE_SUFFIX
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@@ -1315,7 +1320,7 @@ main (int argc, char **argv)
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else if (!use_collect_ld
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&& strncmp (arg, "-fuse-ld=", 9) == 0)
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{
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- /* Do not pass -fuse-ld={bfd|gold} to the linker. */
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+ /* Do not pass -fuse-ld={bfd|gold|lld} to the linker. */
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ld1--;
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ld2--;
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}
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--- gcc/common.opt
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+++ gcc/common.opt
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@@ -2732,6 +2732,10 @@ fuse-ld=gold
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Common Driver Negative(fuse-ld=bfd)
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Use the gold linker instead of the default linker.
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+fuse-ld=lld
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+Common Driver Negative(fuse-ld=lld)
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+Use the lld LLVM linker instead of the default linker.
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+
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fuse-linker-plugin
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Common Undocumented Var(flag_use_linker_plugin)
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--- gcc/doc/invoke.texi
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+++ gcc/doc/invoke.texi
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@@ -12610,6 +12610,10 @@ Use the @command{bfd} linker instead of the default linker.
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@opindex fuse-ld=gold
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Use the @command{gold} linker instead of the default linker.
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+@item -fuse-ld=lld
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+@opindex fuse-ld=lld
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+Use the LLVM @command{lld} linker instead of the default linker.
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+
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@cindex Libraries
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@item -l@var{library}
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@itemx -l @var{library}
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--- gcc/opts.c
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+++ gcc/opts.c
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@@ -2557,6 +2557,7 @@ common_handle_option (struct gcc_options *opts,
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case OPT_fuse_ld_bfd:
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case OPT_fuse_ld_gold:
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+ case OPT_fuse_ld_lld:
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case OPT_fuse_linker_plugin:
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/* No-op. Used by the driver and passed to us because it starts with f.*/
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break;
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