From cdf969539c718acb1f3f031b2c55d5274a538717 Mon Sep 17 00:00:00 2001 From: Matthew Fortune Date: Thu, 14 Apr 2016 11:49:53 +0100 Subject: Add new NOCROSSREFS_TO linker script command NOCROSSREFS_TO is similar to the existing NOCROSSREFS command but only checks one direction of cross referencing. ld/ChangeLog * ld.texinfo: Document NOCROSSREFS_TO script command. * ldlang.h (struct lang_nocrossrefs): Add onlyfirst field. (lang_add_nocrossref_to): New prototype. * ldcref.c (check_local_sym_xref): Use onlyfirst to only look for symbols defined in the first section. (check_nocrossref): Likewise. * ldgram.y (NOCROSSREFS_TO): New script command. * ldlang.c (lang_add_nocrossref): Set onlyfirst to FALSE. (lang_add_nocrossref_to): New function. * ldlex.l (NOCROSSREFS_TO): New token. * NEWS: Mention NOCROSSREFS_TO. * testsuite/ld-scripts/cross4.t: New file. * testsuite/ld-scripts/cross5.t: Likewise. * testsuite/ld-scripts/cross6.t: Likewise. * testsuite/ld-scripts/cross7.t: Likewise. * testsuite/ld-scripts/crossref.exp: Run 4 new NOCROSSREFS_TO tests. --- ld/ldlex.l | 1 + 1 file changed, 1 insertion(+) (limited to 'ld/ldlex.l') diff --git a/ld/ldlex.l b/ld/ldlex.l index d70fad1..2eb8fc1 100644 --- a/ld/ldlex.l +++ b/ld/ldlex.l @@ -298,6 +298,7 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^\\]([*?.$_a-zA-Z0-9\[\]\-\!\^\\]|::)* "BYTE" { RTOKEN( BYTE);} "NOFLOAT" { RTOKEN(NOFLOAT);} "NOCROSSREFS" { RTOKEN(NOCROSSREFS);} +"NOCROSSREFS_TO" { RTOKEN(NOCROSSREFS_TO);} "OVERLAY" { RTOKEN(OVERLAY); } "SORT_BY_NAME" { RTOKEN(SORT_BY_NAME); } "SORT_BY_ALIGNMENT" { RTOKEN(SORT_BY_ALIGNMENT); } -- cgit v1.1