diff options
Diffstat (limited to 'Ports/gcc')
-rw-r--r-- | Ports/gcc/patches/gcc-support-mold-linker.patch | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/Ports/gcc/patches/gcc-support-mold-linker.patch b/Ports/gcc/patches/gcc-support-mold-linker.patch new file mode 100644 index 0000000000..d4914ec7ae --- /dev/null +++ b/Ports/gcc/patches/gcc-support-mold-linker.patch @@ -0,0 +1,129 @@ +From 37f6a0c24bb07efb29a2222d984e4d793c165aef Mon Sep 17 00:00:00 2001 +From: Martin Liska <mliska@suse.cz> +Date: Tue, 21 Dec 2021 17:43:55 +0100 +Subject: [PATCH] Support ld.mold linker. + +gcc/ChangeLog: + + * collect2.c (main): Add ld.mold. + * common.opt: Add -fuse-ld=mold. + * doc/invoke.texi: Document it. + * gcc.c (driver_handle_option): Handle -fuse-ld=mold. + * opts.c (common_handle_option): Likewise. +--- + gcc/collect2.c | 10 +++++++--- + gcc/common.opt | 4 ++++ + gcc/doc/invoke.texi | 4 ++++ + gcc/gcc.c | 4 ++++ + gcc/opts.c | 1 + + 5 files changed, 20 insertions(+), 3 deletions(-) + +diff --git a/gcc/collect2.c b/gcc/collect2.c +index 0c8af2987..6bb5cf9a4 100644 +--- a/gcc/collect2.c ++++ b/gcc/collect2.c +@@ -785,6 +785,7 @@ main (int argc, char **argv) + USE_GOLD_LD, + USE_BFD_LD, + USE_LLD_LD, ++ USE_MOLD_LD, + USE_LD_MAX + } selected_linker = USE_DEFAULT_LD; + static const char *const ld_suffixes[USE_LD_MAX] = +@@ -793,7 +794,8 @@ main (int argc, char **argv) + PLUGIN_LD_SUFFIX, + "ld.gold", + "ld.bfd", +- "ld.lld" ++ "ld.lld", ++ "ld.mold" + }; + static const char *const real_ld_suffix = "real-ld"; + static const char *const collect_ld_suffix = "collect-ld"; +@@ -970,6 +972,8 @@ main (int argc, char **argv) + selected_linker = USE_GOLD_LD; + else if (strcmp (argv[i], "-fuse-ld=lld") == 0) + selected_linker = USE_LLD_LD; ++ else if (strcmp (argv[i], "-fuse-ld=mold") == 0) ++ selected_linker = USE_MOLD_LD; + else if (strncmp (argv[i], "-o", 2) == 0) + { + /* Parse the output filename if it's given so that we can make +@@ -1082,7 +1086,7 @@ main (int argc, char **argv) + ld_file_name = 0; + #ifdef DEFAULT_LINKER + if (selected_linker == USE_BFD_LD || selected_linker == USE_GOLD_LD || +- selected_linker == USE_LLD_LD) ++ selected_linker == USE_LLD_LD || selected_linker == USE_MOLD_LD) + { + char *linker_name; + # ifdef HOST_EXECUTABLE_SUFFIX +@@ -1317,7 +1321,7 @@ main (int argc, char **argv) + else if (!use_collect_ld + && strncmp (arg, "-fuse-ld=", 9) == 0) + { +- /* Do not pass -fuse-ld={bfd|gold|lld} to the linker. */ ++ /* Do not pass -fuse-ld={bfd|gold|lld|mold} to the linker. */ + ld1--; + ld2--; + } +diff --git a/gcc/common.opt b/gcc/common.opt +index 6fab7c3ca..8617124f9 100644 +--- a/gcc/common.opt ++++ b/gcc/common.opt +@@ -2967,6 +2967,10 @@ fuse-ld=lld + Common Driver Negative(fuse-ld=lld) + Use the lld LLVM linker instead of the default linker. + ++fuse-ld=mold ++Common Driver Negative(fuse-ld=mold) ++Use the Modern linker (MOLD) 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 7f13ffb79..31932cf2c 100644 +--- a/gcc/doc/invoke.texi ++++ b/gcc/doc/invoke.texi +@@ -15601,6 +15601,10 @@ Use the @command{gold} linker instead of the default linker. + @opindex fuse-ld=lld + Use the LLVM @command{lld} linker instead of the default linker. + ++@item -fuse-ld=mold ++@opindex fuse-ld=mold ++Use the Modern Linker (@command{mold}) instead of the default linker. ++ + @cindex Libraries + @item -l@var{library} + @itemx -l @var{library} +diff --git a/gcc/gcc.c b/gcc/gcc.c +index 4d790f9dd..ce6366946 100644 +--- a/gcc/gcc.c ++++ b/gcc/gcc.c +@@ -4189,6 +4189,10 @@ driver_handle_option (struct gcc_options *opts, + use_ld = ".gold"; + break; + ++ case OPT_fuse_ld_mold: ++ use_ld = ".mold"; ++ break; ++ + case OPT_fcompare_debug_second: + compare_debug_second = 1; + break; +diff --git a/gcc/opts.c b/gcc/opts.c +index 24bb64198..9192ca757 100644 +--- a/gcc/opts.c ++++ b/gcc/opts.c +@@ -2875,6 +2875,7 @@ 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_ld_mold: + case OPT_fuse_linker_plugin: + /* No-op. Used by the driver and passed to us because it starts with f.*/ + break; +-- +2.34.1 + |