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* [gcc(refs/users/marxin/heads/support-ld.mold)] Support ld.mold linker.
@ 2021-12-21 16:44 Martin Liska
0 siblings, 0 replies; 2+ messages in thread
From: Martin Liska @ 2021-12-21 16:44 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:759cdbb29dbe8fc80ba5c1f113a015cafe9eb69c
commit 759cdbb29dbe8fc80ba5c1f113a015cafe9eb69c
Author: Martin Liska <mliska@suse.cz>
Date: Tue Dec 21 17:43:55 2021 +0100
Support ld.mold linker.
Diff:
---
gcc/collect2.c | 10 +++++++---
gcc/common.opt | 4 ++++
gcc/gcc.c | 4 ++++
gcc/opts.c | 1 +
4 files changed, 16 insertions(+), 3 deletions(-)
diff --git a/gcc/collect2.c b/gcc/collect2.c
index d47fe3f9195..b322527847c 100644
--- a/gcc/collect2.c
+++ b/gcc/collect2.c
@@ -776,6 +776,7 @@ 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] =
@@ -784,7 +785,8 @@ 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";
@@ -957,6 +959,8 @@ 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 (startswith (argv[i], "-o"))
{
/* Parse the output filename if it's given so that we can make
@@ -1048,7 +1052,7 @@ 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
@@ -1283,7 +1287,7 @@ main (int argc, char **argv)
else if (!use_collect_ld
&& startswith (arg, "-fuse-ld="))
{
- /* 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 2ed818d6057..dba3fa886f9 100644
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -3046,6 +3046,10 @@ 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/gcc.c b/gcc/gcc.c
index b75b50b87b2..06e18a75b52 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -4282,6 +4282,10 @@ 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 cdd6463e49b..60f1cf045c9 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -3094,6 +3094,7 @@ 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;
^ permalink raw reply [flat|nested] 2+ messages in thread
* [gcc(refs/users/marxin/heads/support-ld.mold)] Support ld.mold linker.
@ 2021-12-28 14:18 Martin Liska
0 siblings, 0 replies; 2+ messages in thread
From: Martin Liska @ 2021-12-28 14:18 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:ca60317a60ee20ce848b36588b905b5a63d81350
commit ca60317a60ee20ce848b36588b905b5a63d81350
Author: Martin Liska <mliska@suse.cz>
Date: Tue Dec 21 17:43:55 2021 +0100
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.
Diff:
---
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 d47fe3f9195..b322527847c 100644
--- a/gcc/collect2.c
+++ b/gcc/collect2.c
@@ -776,6 +776,7 @@ 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] =
@@ -784,7 +785,8 @@ 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";
@@ -957,6 +959,8 @@ 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 (startswith (argv[i], "-o"))
{
/* Parse the output filename if it's given so that we can make
@@ -1048,7 +1052,7 @@ 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
@@ -1283,7 +1287,7 @@ main (int argc, char **argv)
else if (!use_collect_ld
&& startswith (arg, "-fuse-ld="))
{
- /* 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 2ed818d6057..dba3fa886f9 100644
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -3046,6 +3046,10 @@ 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 e644c63767b..54fa75ba138 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -16266,6 +16266,10 @@ 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 b75b50b87b2..06e18a75b52 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -4282,6 +4282,10 @@ 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 e4e47ff77b3..f820052307c 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -3105,6 +3105,7 @@ 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;
^ permalink raw reply [flat|nested] 2+ messages in thread
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