binutils-gdb/ld/testsuite/ld-scripts/cross6.t

NOCROSSREFS_TO(.text .data)

SECTIONS
{
  .text : { *(.text) }
  .data : { *(.data) *(.opd) }
  .bss : { *(.bss) *(COMMON) }
  /DISCARD/ : { *(*) }
}
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. 2016-04-14 18:49:53 +08:00			`NOCROSSREFS_TO(.text .data)`

			`SECTIONS`
			`{`
			`.text : { *(.text) }`
			`.data : { (.data) (.opd) }`
			`.bss : { (.bss) (COMMON) }`
			`/DISCARD/ : { () }`
			`}`