Attachment 199179 Details for Bug 233174 – Support -fuse-ld=lld

[patch] Support -fuse-ld=lld

fuse-ld=lld.diff (text/plain), 4.36 KB, created by Brooks Davis on 2018-11-12 17:31:13 UTC

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Creator: Brooks Davis

Created: 2018-11-12 17:31:13 UTC

Size: 4.36 KB

patch

obsolete

>Index: Makefile
>===================================================================
>--- Makefile	(revision 483824)
>+++ Makefile	(working copy)
>@@ -2,6 +2,7 @@
> 
> PORTNAME=	gcc
> PORTVERSION=	8.1.0
>+PORTREVISION=	1
> CATEGORIES=	devel
> PKGNAMEPREFIX=	riscv64-
> 
>Index: files/patch-fuse-ld=lld
>===================================================================
>--- files/patch-fuse-ld=lld	(nonexistent)
>+++ files/patch-fuse-ld=lld	(working copy)
>@@ -0,0 +1,105 @@
>+commit 4eea76dbfc871614e116961b048d9aa38eee66ea
>+Author: law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
>+Date:   Thu Nov 8 22:05:27 2018 +0000
>+
>+            * collect2.c (linker_select):  Add USE_LLD_LD.
>+            (ld_suffixes): Add ld.lld.
>+            (main): Handle -fuse-ld=lld.
>+            * common.opt (-fuse-ld=lld): New option.
>+            * doc/invoke.texi (-fuse-ld=lld): Document.
>+            * opts.c (common_handle_option): Handle OPT_fuse_ld_lld.
>+    
>+    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@265940 138bc75d-0d04-0410-961f-82ee72b054a4
>+
>+diff --git a/gcc/collect2.c b/gcc/collect2.c
>+index a96af137a44..6463ff7b645 100644
>+--- gcc/collect2.c
>++++ gcc/collect2.c
>+@@ -831,6 +831,7 @@ main (int argc, char **argv)
>+       USE_PLUGIN_LD,
>+       USE_GOLD_LD,
>+       USE_BFD_LD,
>++      USE_LLD_LD,
>+       USE_LD_MAX
>+     } selected_linker = USE_DEFAULT_LD;
>+   static const char *const ld_suffixes[USE_LD_MAX] =
>+@@ -838,7 +839,8 @@ main (int argc, char **argv)
>+       "ld",
>+       PLUGIN_LD_SUFFIX,
>+       "ld.gold",
>+-      "ld.bfd"
>++      "ld.bfd",
>++      "ld.lld"
>+     };
>+   static const char *const real_ld_suffix = "real-ld";
>+   static const char *const collect_ld_suffix = "collect-ld";
>+@@ -1007,6 +1009,8 @@ main (int argc, char **argv)
>+ 	  selected_linker = USE_BFD_LD;
>+ 	else if (strcmp (argv[i], "-fuse-ld=gold") == 0)
>+ 	  selected_linker = USE_GOLD_LD;
>++  else if (strcmp (argv[i], "-fuse-ld=lld") == 0)
>++    selected_linker = USE_LLD_LD;
>+ 
>+ #ifdef COLLECT_EXPORT_LIST
>+ 	/* These flags are position independent, although their order
>+@@ -1096,7 +1100,8 @@ main (int argc, char **argv)
>+   /* Maybe we know the right file to use (if not cross).  */
>+   ld_file_name = 0;
>+ #ifdef DEFAULT_LINKER
>+-  if (selected_linker == USE_BFD_LD || selected_linker == USE_GOLD_LD)
>++  if (selected_linker == USE_BFD_LD || selected_linker == USE_GOLD_LD ||
>++      selected_linker == USE_LLD_LD)
>+     {
>+       char *linker_name;
>+ # ifdef HOST_EXECUTABLE_SUFFIX
>+@@ -1315,7 +1320,7 @@ main (int argc, char **argv)
>+ 	      else if (!use_collect_ld
>+ 		       && strncmp (arg, "-fuse-ld=", 9) == 0)
>+ 		{
>+-		  /* Do not pass -fuse-ld={bfd|gold} to the linker. */
>++		  /* Do not pass -fuse-ld={bfd|gold|lld} to the linker. */
>+ 		  ld1--;
>+ 		  ld2--;
>+ 		}
>+diff --git a/gcc/common.opt b/gcc/common.opt
>+index 5a5d33205a4..99489fbd553 100644
>+--- gcc/common.opt
>++++ gcc/common.opt
>+@@ -2732,6 +2732,10 @@ fuse-ld=gold
>+ Common Driver Negative(fuse-ld=bfd)
>+ Use the gold linker instead of the default linker.
>+ 
>++fuse-ld=lld
>++Common Driver Negative(fuse-ld=lld)
>++Use the lld LLVM linker instead of the default linker.
>++
>+ fuse-linker-plugin
>+ Common Undocumented Var(flag_use_linker_plugin)
>+ 
>+diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
>+index e0a770491b6..8762f3f7bc3 100644
>+--- gcc/doc/invoke.texi
>++++ gcc/doc/invoke.texi
>+@@ -12610,6 +12610,10 @@ Use the @command{bfd} linker instead of the default linker.
>+ @opindex fuse-ld=gold
>+ Use the @command{gold} linker instead of the default linker.
>+ 
>++@item -fuse-ld=lld
>++@opindex fuse-ld=lld
>++Use the LLVM @command{lld} linker instead of the default linker.
>++
>+ @cindex Libraries
>+ @item -l@var{library}
>+ @itemx -l @var{library}
>+diff --git a/gcc/opts.c b/gcc/opts.c
>+index 34c283dd765..f094f5f1251 100644
>+--- gcc/opts.c
>++++ gcc/opts.c
>+@@ -2557,6 +2557,7 @@ common_handle_option (struct gcc_options *opts,
>+ 
>+     case OPT_fuse_ld_bfd:
>+     case OPT_fuse_ld_gold:
>++    case OPT_fuse_ld_lld:
>+     case OPT_fuse_linker_plugin:
>+       /* No-op. Used by the driver and passed to us because it starts with f.*/
>+       break;
>
>Property changes on: files/patch-fuse-ld=lld
>___________________________________________________________________
>Added: fbsd:nokeywords
>## -0,0 +1 ##
>+yes
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brooks: maintainer-approval? (lwshu)

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