Add -static-libasan option to the GCC driver

[gcc.git] / gcc / common.opt

diff --git a/gcc/common.opt b/gcc/common.opt
index f947a72cc2e5be9b15b5e4768131ec1a452b936c..be6fe4f35d2ed894697b39cdcbe9decc454e8d63 100644 (file)
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -348,6 +348,9 @@ Driver Alias(print-multi-lib)
 -print-multi-os-directory
 Driver Alias(print-multi-os-directory)
 
+-print-multiarch
+Driver Alias(print-multiarch)
+
 -print-prog-name
 Driver Separate Alias(print-prog-name=)
 
@@ -837,6 +840,10 @@ fargument-noalias-anything
 Common Ignore
 Does nothing. Preserved for backward compatibility.
 
+faddress-sanitizer
+Common Report Var(flag_asan)
+Enable AddressSanitizer, a memory error detector
+
 fasynchronous-unwind-tables
 Common Report Var(flag_asynchronous_unwind_tables) Optimization
 Generate unwind tables that are exact at each instruction boundary
@@ -1579,19 +1586,19 @@ Common Report Var(flag_peephole2) Optimization
 Enable an RTL peephole pass before sched2
 
 fPIC
-Common Report Var(flag_pic,2)
+Common Report Var(flag_pic,2) Negative(fPIE)
 Generate position-independent code if possible (large mode)
 
 fPIE
-Common Report Var(flag_pie,2)
+Common Report Var(flag_pie,2) Negative(fpic)
 Generate position-independent code for executables if possible (large mode)
 
 fpic
-Common Report Var(flag_pic,1)
+Common Report Var(flag_pic,1) Negative(fpie)
 Generate position-independent code if possible (small mode)
 
 fpie
-Common Report Var(flag_pie,1)
+Common Report Var(flag_pie,1) Negative(fPIC)
 Generate position-independent code for executables if possible (small mode)
 
 fplugin=
@@ -2189,6 +2196,10 @@ fvar-tracking-assignments-toggle
 Common Report Var(flag_var_tracking_assignments_toggle) Optimization
 Toggle -fvar-tracking-assignments
 
+; Positive if we should track uninitialized variables, negative if
+; we should run the var-tracking pass only to discard debug
+; annotations.  When flag_var_tracking_uninit == AUTODETECT_VALUE it
+; will be set according to flag_var_tracking.
 fvar-tracking-uninit
 Common Report Var(flag_var_tracking_uninit) Optimization
 Perform variable tracking and also tag variables that are uninitialized
@@ -2349,6 +2360,10 @@ iplugindir=
 Common Joined Var(plugindir_string) Init(0)
 -iplugindir=<dir>      Set <dir> to be the default plugin directory
 
+imultiarch
+Common Joined Separate RejectDriver Var(imultiarch) Init(0)
+-imultiarch <dir>      Set <dir> to be the multiarch include subdirectory
+
 l
 Driver Joined Separate
 
@@ -2405,6 +2420,9 @@ Driver Var(print_multi_lib)
 
 print-multi-os-directory
 Driver Var(print_multi_os_directory)
+ 
+print-multiarch
+Driver Var(print_multiarch)
 
 print-prog-name=
 Driver JoinedOrMissing Var(print_prog_name)
@@ -2498,6 +2516,9 @@ static-libgo
 Driver
 ; Documented for Go, but always accepted by driver.
 
+static-libasan
+Driver
+
 symbolic
 Driver