cmd/internal/objabi, cmd/link: add FIPS symbol kinds

Add FIPS symbol kinds that will be needed for FIPS support.
This is a separate CL to keep the re-generated changes in
the string methods separate from hand-written changes.

The separate symbol kinds will let us group the FIPS-related
code and data together, so that it can be checksummed at
startup, as required by FIPS.

It's also separate because it breaks buildall, by changing the
on-disk symbol kind enumeration. We want non-buildall
changes to be as simple as possible.

For #69536.

Change-Id: I2d5a238498929fff8b24736ee54330c17323bd86
Reviewed-on: https://go-review.googlesource.com/c/go/+/625995
Auto-Submit: Russ Cox <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Cherry Mui <[email protected]>

Author: rsc

src/cmd/internal/objabi/symkind.go

@@ -44,12 +44,16 @@ const (
 	Sxxx SymKind = iota
 	// Executable instructions
 	STEXT
+	STEXTFIPS
 	// Read only static data
 	SRODATA
+	SRODATAFIPS
 	// Static data that does not contain any pointers
 	SNOPTRDATA
+	SNOPTRDATAFIPS
 	// Static data
 	SDATA
+	SDATAFIPS
 	// Statically data that is initially all 0s
 	SBSS
 	// Statically data that is initially all 0s and does not contain pointers

src/cmd/internal/objabi/symkind_string.go

@@ -43,6 +43,10 @@ type SymKind uint8
 const (
 	Sxxx SymKind = iota
 	STEXT
+	STEXTFIPSSTART
+	STEXTFIPS
+	STEXTFIPSEND
+	STEXTEND
 	SELFRXSECT
 	SMACHOPLT
 
@@ -53,6 +57,10 @@ const (
 	SGOFUNC
 	SGCBITS
 	SRODATA
+	SRODATAFIPSSTART
+	SRODATAFIPS
+	SRODATAFIPSEND
+	SRODATAEND
 	SFUNCTAB
 
 	SELFROSECT
@@ -87,14 +95,23 @@ const (
 	// Writable sections.
 	SFirstWritable
 	SBUILDINFO
+	SFIPSINFO
 	SELFSECT
 	SMACHO
 	SMACHOGOT
 	SWINDOWS
 	SELFGOT
 	SNOPTRDATA
+	SNOPTRDATAFIPSSTART
+	SNOPTRDATAFIPS
+	SNOPTRDATAFIPSEND
+	SNOPTRDATAEND
 	SINITARR
 	SDATA
+	SDATAFIPSSTART
+	SDATAFIPS
+	SDATAFIPSEND
+	SDATAEND
 	SXCOFFTOC
 	SBSS
 	SNOPTRBSS
@@ -135,9 +152,13 @@ const (
 var AbiSymKindToSymKind = [...]SymKind{
 	objabi.Sxxx:                    Sxxx,
 	objabi.STEXT:                   STEXT,
+	objabi.STEXTFIPS:               STEXTFIPS,
 	objabi.SRODATA:                 SRODATA,
+	objabi.SRODATAFIPS:             SRODATAFIPS,
 	objabi.SNOPTRDATA:              SNOPTRDATA,
+	objabi.SNOPTRDATAFIPS:          SNOPTRDATAFIPS,
 	objabi.SDATA:                   SDATA,
+	objabi.SDATAFIPS:               SDATAFIPS,
 	objabi.SBSS:                    SBSS,
 	objabi.SNOPTRBSS:               SNOPTRBSS,
 	objabi.STLSBSS:                 STLSBSS,
@@ -166,6 +187,10 @@ var ReadOnly = []SymKind{
 	SGOFUNC,
 	SGCBITS,
 	SRODATA,
+	SRODATAFIPSSTART,
+	SRODATAFIPS,
+	SRODATAFIPSEND,
+	SRODATAEND,
 	SFUNCTAB,
 }