# Linker script for PE.
#
-# Copyright (C) 2014-2017 Free Software Foundation, Inc.
-#
+# Copyright (C) 2014-2020 Free Software Foundation, Inc.
+#
# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved.
R_TEXT='*(SORT(.text$*))'
if test "x$LD_FLAG" = "xauto_import" ; then
R_DATA='*(SORT(.data$*))
- *(.rdata)
+ *(.rdata)
*(SORT(.rdata$*))'
R_RDATA=''
else
R_DATA='*(SORT(.data$*))'
R_RDATA='*(.rdata)
- *(SORT(.rdata$*))'
+ *(SORT(.rdata$*))'
fi
R_IDATA234='
KEEP (SORT(*)(.idata$2))
fi
cat <<EOF
-/* Copyright (C) 2014-2017 Free Software Foundation, Inc.
+/* Copyright (C) 2014-2020 Free Software Foundation, Inc.
Copying and distribution of this script, with or without modification,
are permitted in any medium without royalty provided the copyright
${RELOCATING+. = ALIGN(__section_alignment__);}
.text ${RELOCATING+ __image_base__ + ( __section_alignment__ < ${TARGET_PAGE_SIZE} ? . : __section_alignment__ )} :
{
- ${RELOCATING+ KEEP(*(.init))}
+ ${RELOCATING+KEEP (*(SORT_NONE(.init)))}
*(.text)
${R_TEXT}
${RELOCATING+ *(.text.*)}
${RELOCATING+*(.glue_7t)}
${RELOCATING+*(.glue_7)}
${CONSTRUCTING+. = ALIGN(8);}
- ${CONSTRUCTING+ ___CTOR_LIST__ = .; __CTOR_LIST__ = . ;
- LONG (-1); LONG (-1);
- KEEP (*(.ctors));
- KEEP (*(.ctor));
- KEEP (*(SORT(.ctors.*)));
- LONG (0); LONG (0); }
- ${CONSTRUCTING+ ___DTOR_LIST__ = .; __DTOR_LIST__ = . ;
- LONG (-1); LONG (-1);
- KEEP (*(.dtors));
- KEEP (*(.dtor));
- KEEP (*(SORT(.dtors.*)));
- LONG (0); LONG (0); }
- ${RELOCATING+ KEEP (*(.fini))}
- /* ??? Why is .gcc_exc here? */
+ ${CONSTRUCTING+
+ /* Note: we always define __CTOR_LIST__ and ___CTOR_LIST__ here,
+ we do not PROVIDE them. This is because the ctors.o startup
+ code in libgcc defines them as common symbols, with the
+ expectation that they will be overridden by the definitions
+ here. If we PROVIDE the symbols then they will not be
+ overridden and global constructors will not be run.
+ See PR 22762 for more details.
+
+ This does mean that it is not possible for a user to define
+ their own __CTOR_LIST__ and __DTOR_LIST__ symbols; if they do,
+ the content from those variables are included but the symbols
+ defined here silently take precedence. If they truly need to
+ be redefined, a custom linker script will have to be used.
+ (The custom script can just be a copy of this script with the
+ PROVIDE() qualifiers added).
+
+ In particular this means that ld -Ur does not work, because
+ the proper __CTOR_LIST__ set by ld -Ur is overridden by a
+ bogus __CTOR_LIST__ set by the final link. See PR 46. */
+ ___CTOR_LIST__ = .;
+ __CTOR_LIST__ = .;
+ LONG (-1); LONG (-1);
+ KEEP (*(.ctors));
+ KEEP (*(.ctor));
+ KEEP (*(SORT_BY_NAME(.ctors.*)));
+ LONG (0); LONG (0);
+ }
+ ${CONSTRUCTING+
+ /* See comment about __CTOR_LIST__ above. The same reasoning
+ applies here too. */
+ ___DTOR_LIST__ = .;
+ __DTOR_LIST__ = .;
+ LONG (-1); LONG (-1);
+ KEEP (*(.dtors));
+ KEEP (*(.dtor));
+ KEEP (*(SORT_BY_NAME(.dtors.*)));
+ LONG (0); LONG (0);
+ }
+ ${RELOCATING+KEEP (*(SORT_NONE(.fini)))}
+ ${RELOCATING+/* ??? Why is .gcc_exc here? */}
${RELOCATING+ *(.gcc_exc)}
${RELOCATING+PROVIDE (etext = .);}
${RELOCATING+ KEEP (*(.gcc_except_table))}
.rdata ${RELOCATING+BLOCK(__section_alignment__)} :
{
${R_RDATA}
+ . = ALIGN(4);
${RELOCATING+__rt_psrelocs_start = .;}
${RELOCATING+KEEP(*(.rdata_runtime_pseudo_reloc))}
${RELOCATING+__rt_psrelocs_end = .;}
${R_IDATA67}
}
.CRT ${RELOCATING+BLOCK(__section_alignment__)} :
- {
+ {
${RELOCATING+___crt_xc_start__ = . ;}
${R_CRT_XC}
${RELOCATING+___crt_xc_end__ = . ;}
be at the beginning of the section to enable SECREL32 relocations with TLS
data. */
.tls ${RELOCATING+BLOCK(__section_alignment__)} :
- {
+ {
${RELOCATING+___tls_start__ = . ;}
${R_TLS}
${RELOCATING+___tls_end__ = . ;}
{
*(.zdebug_types${RELOCATING+ .zdebug.gnu.linkonce.wt.*})
}
+
+ /* For Go and Rust. */
+ .debug_gdb_scripts ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
+ {
+ *(.debug_gdb_scripts)
+ }
+ .zdebug_gdb_scripts ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
+ {
+ *(.zdebug_gdb_scripts)
+ }
}
EOF