[src/trunk]: src/usr.bin/xlint/lint1 lint: add __attribute__ regparm

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f0bfa5da228c
branches:  trunk
changeset: 1023120:f0bfa5da228c
user:      rillig <rillig%NetBSD.org@localhost>
date:      Wed Aug 25 22:48:40 2021 +0000

description:
lint: add __attribute__ regparm

Seen in libexec/ld.elf_so/rtld.h.

diffstat:

 usr.bin/xlint/lint1/cgram.y |  6 ++++--
 usr.bin/xlint/lint1/lex.c   |  5 +++--
 2 files changed, 7 insertions(+), 4 deletions(-)

diffs (61 lines):

diff -r 2ccc1ef90fc9 -r f0bfa5da228c usr.bin/xlint/lint1/cgram.y
--- a/usr.bin/xlint/lint1/cgram.y       Wed Aug 25 22:43:20 2021 +0000
+++ b/usr.bin/xlint/lint1/cgram.y       Wed Aug 25 22:48:40 2021 +0000
@@ -1,5 +1,5 @@
 %{
-/* $NetBSD: cgram.y,v 1.357 2021/08/21 07:03:30 rillig Exp $ */
+/* $NetBSD: cgram.y,v 1.358 2021/08/25 22:48:40 rillig Exp $ */
 
 /*
  * Copyright (c) 1996 Christopher G. Demetriou.  All Rights Reserved.
@@ -35,7 +35,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: cgram.y,v 1.357 2021/08/21 07:03:30 rillig Exp $");
+__RCSID("$NetBSD: cgram.y,v 1.358 2021/08/25 22:48:40 rillig Exp $");
 #endif
 
 #include <limits.h>
@@ -248,6 +248,7 @@
 %token                 T_AT_PACKED
 %token                 T_AT_PCS
 %token                 T_AT_PURE
+%token                 T_AT_REGPARM
 %token                 T_AT_RETURNS_NONNULL
 %token                 T_AT_RETURNS_TWICE
 %token                 T_AT_SECTION
@@ -2077,6 +2078,7 @@
          }
        | T_AT_PCS T_LPAREN string T_RPAREN
        | T_AT_PURE
+       | T_AT_REGPARM T_LPAREN constant_expr T_RPAREN
        | T_AT_RETURNS_NONNULL
        | T_AT_RETURNS_TWICE
        | T_AT_SECTION T_LPAREN string T_RPAREN
diff -r 2ccc1ef90fc9 -r f0bfa5da228c usr.bin/xlint/lint1/lex.c
--- a/usr.bin/xlint/lint1/lex.c Wed Aug 25 22:43:20 2021 +0000
+++ b/usr.bin/xlint/lint1/lex.c Wed Aug 25 22:48:40 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: lex.c,v 1.69 2021/08/23 06:26:37 rillig Exp $ */
+/* $NetBSD: lex.c,v 1.70 2021/08/25 22:48:40 rillig Exp $ */
 
 /*
  * Copyright (c) 1996 Christopher G. Demetriou.  All Rights Reserved.
@@ -38,7 +38,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: lex.c,v 1.69 2021/08/23 06:26:37 rillig Exp $");
+__RCSID("$NetBSD: lex.c,v 1.70 2021/08/25 22:48:40 rillig Exp $");
 #endif
 
 #include <ctype.h>
@@ -205,6 +205,7 @@
        kwdef_gcc_attr( "pure",         T_AT_PURE),
        kwdef_token(    "__real__",     T_REAL,                 0,0,1,0,1),
        kwdef_sclass(   "register",     REG,                    0,0,0,0,1),
+       kwdef_gcc_attr( "regparm",      T_AT_REGPARM),
        kwdef_tqual(    "restrict",     RESTRICT,               0,1,0,0,5),
        kwdef_keyword(  "return",       T_RETURN),
        kwdef_gcc_attr( "returns_nonnull",T_AT_RETURNS_NONNULL),