binutils-gdb/ld/scripttempl/pe.sc
Nick Clifton 72b016b4ac * dw2gencfi.c (dwcfi_seg_list): New struct.
(dwcfi_hash): New static hash variable.
	(get_debugseg_name): New.
	(alloc_debugseg_item): New.
	(make_debug_seg): New.
	(dwcfi_hash_insert): New.
	(dwcfi_hash_find): New.
	(dwcfi_hash_find_or_make): New.
	(cfi_insn_data): New member cur_seg.
	(cie_entry): Likewise.
	(fde_entry): New cseg and handled members.
	(alloc_fde_entry): Initialize cseg member.
	(alloc_cfi_insn_data): Initialize cur_seg member.
	(dot_cfi_sections): Compare for beginning of
	section names via strncmp.
	(get_cfi_seg): New.
	(cfi_finish): Treat link-once sections.
	(is_now_linkonce_segment): New local helper.
	(output_cie): Ignore cie entries not member of current
	segment.
	(output_fde): Likewise.
	(select_cie_for_fde): Likewise.
	(cfi_change_reg_numbers): Add new argument for current segment
	and ignore insn elements, if not part of current segment.
	* ehopt.c (get_cie_info): Use strncmp for
	section name matching.
	(heck_eh_frame): Likewise.

	* coffcode.h (sec_to_styp_flags): Allow linkonce for
	debugging sections.

	* scripttempl/pe.sc: Handle .eh_frame($|.)* sections.
	* scripttempl/pep.sc: Likewise.

	* ld-pe/pe.exp: Add cfi/cfi32 tests.
	* ld-pe/cfi.d: New.
	* ld-pe/cfi32.d: New.
	* ld-pe/cfia.s: New.
	* ld-pe/cfib.s: New.
2011-04-26 15:28:08 +00:00

305 lines
7.8 KiB
Scala

# Linker script for PE.
if test -z "${RELOCATEABLE_OUTPUT_FORMAT}"; then
RELOCATEABLE_OUTPUT_FORMAT=${OUTPUT_FORMAT}
fi
# We can't easily and portably get an unquoted $ in a shell
# substitution, so we do this instead.
# Sorting of the .foo$* sections is required by the definition of
# grouped sections in PE.
# Sorting of the file names in R_IDATA is required by the
# current implementation of dlltool (this could probably be changed to
# use grouped sections instead).
if test "${RELOCATING}"; then
R_TEXT='*(SORT(.text$*))'
if test "x$LD_FLAG" = "xauto_import" ; then
R_DATA='*(SORT(.data$*))
*(.rdata)
*(SORT(.rdata$*))'
R_RDATA=''
else
R_DATA='*(SORT(.data$*))'
R_RDATA='*(.rdata)
*(SORT(.rdata$*))'
fi
R_IDATA234='
SORT(*)(.idata$2)
SORT(*)(.idata$3)
/* These zeroes mark the end of the import list. */
LONG (0); LONG (0); LONG (0); LONG (0); LONG (0);
SORT(*)(.idata$4)'
R_IDATA5='SORT(*)(.idata$5)'
R_IDATA67='
SORT(*)(.idata$6)
SORT(*)(.idata$7)'
R_CRT_XC='*(SORT(.CRT$XC*)) /* C initialization */'
R_CRT_XI='*(SORT(.CRT$XI*)) /* C++ initialization */'
R_CRT_XL='*(SORT(.CRT$XL*)) /* TLS callbacks */'
R_CRT_XP='*(SORT(.CRT$XP*)) /* Pre-termination */'
R_CRT_XT='*(SORT(.CRT$XT*)) /* Termination */'
R_TLS='
*(.tls)
*(.tls$)
*(SORT(.tls$*))'
R_RSRC='*(SORT(.rsrc$*))'
else
R_TEXT=
R_DATA=
R_RDATA='*(.rdata)'
R_IDATA234=
R_IDATA5=
R_IDATA67=
R_CRT=
R_RSRC=
fi
cat <<EOF
${RELOCATING+OUTPUT_FORMAT(${OUTPUT_FORMAT})}
${RELOCATING-OUTPUT_FORMAT(${RELOCATEABLE_OUTPUT_FORMAT})}
${OUTPUT_ARCH+OUTPUT_ARCH(${OUTPUT_ARCH})}
${LIB_SEARCH_DIRS}
SECTIONS
{
${RELOCATING+/* Make the virtual address and file offset synced if the alignment is}
${RELOCATING+ lower than the target page size. */}
${RELOCATING+. = SIZEOF_HEADERS;}
${RELOCATING+. = ALIGN(__section_alignment__);}
.text ${RELOCATING+ __image_base__ + ( __section_alignment__ < ${TARGET_PAGE_SIZE} ? . : __section_alignment__ )} :
{
${RELOCATING+ *(.init)}
*(.text)
${R_TEXT}
${RELOCATING+ *(.text.*)}
*(.glue_7t)
*(.glue_7)
${CONSTRUCTING+ ___CTOR_LIST__ = .; __CTOR_LIST__ = . ;
LONG (-1);*(.ctors); *(.ctor); *(SORT(.ctors.*)); LONG (0); }
${CONSTRUCTING+ ___DTOR_LIST__ = .; __DTOR_LIST__ = . ;
LONG (-1); *(.dtors); *(.dtor); *(SORT(.dtors.*)); LONG (0); }
${RELOCATING+ *(.fini)}
/* ??? Why is .gcc_exc here? */
${RELOCATING+ *(.gcc_exc)}
${RELOCATING+PROVIDE (etext = .);}
${RELOCATING+ *(.gcc_except_table)}
}
/* The Cygwin32 library uses a section to avoid copying certain data
on fork. This used to be named ".data$nocopy". The linker used
to include this between __data_start__ and __data_end__, but that
breaks building the cygwin32 dll. Instead, we name the section
".data_cygwin_nocopy" and explictly include it after __data_end__. */
.data ${RELOCATING+BLOCK(__section_alignment__)} :
{
${RELOCATING+__data_start__ = . ;}
*(.data)
*(.data2)
${R_DATA}
*(.jcr)
${RELOCATING+__data_end__ = . ;}
${RELOCATING+*(.data_cygwin_nocopy)}
}
.rdata ${RELOCATING+BLOCK(__section_alignment__)} :
{
${R_RDATA}
${RELOCATING+___RUNTIME_PSEUDO_RELOC_LIST__ = .;}
${RELOCATING+__RUNTIME_PSEUDO_RELOC_LIST__ = .;}
*(.rdata_runtime_pseudo_reloc)
${RELOCATING+___RUNTIME_PSEUDO_RELOC_LIST_END__ = .;}
${RELOCATING+__RUNTIME_PSEUDO_RELOC_LIST_END__ = .;}
}
.eh_frame ${RELOCATING+BLOCK(__section_alignment__)} :
{
*(.eh_frame*)
}
.pdata ${RELOCATING+BLOCK(__section_alignment__)} :
{
*(.pdata)
}
.bss ${RELOCATING+BLOCK(__section_alignment__)} :
{
${RELOCATING+__bss_start__ = . ;}
*(.bss)
*(COMMON)
${RELOCATING+__bss_end__ = . ;}
}
.edata ${RELOCATING+BLOCK(__section_alignment__)} :
{
*(.edata)
}
/DISCARD/ :
{
*(.debug\$S)
*(.debug\$T)
*(.debug\$F)
*(.drectve)
${RELOCATING+ *(.note.GNU-stack)}
${RELOCATING+ *(.gnu.lto_*)}
}
.idata ${RELOCATING+BLOCK(__section_alignment__)} :
{
/* This cannot currently be handled with grouped sections.
See pe.em:sort_sections. */
${R_IDATA234}
${RELOCATING+__IAT_start__ = .;}
${R_IDATA5}
${RELOCATING+__IAT_end__ = .;}
${R_IDATA67}
}
.CRT ${RELOCATING+BLOCK(__section_alignment__)} :
{
${RELOCATING+___crt_xc_start__ = . ;}
${R_CRT_XC}
${RELOCATING+___crt_xc_end__ = . ;}
${RELOCATING+___crt_xi_start__ = . ;}
${R_CRT_XI}
${RELOCATING+___crt_xi_end__ = . ;}
${RELOCATING+___crt_xl_start__ = . ;}
${R_CRT_XL}
/* ___crt_xl_end__ is defined in the TLS Directory support code */
${RELOCATING+___crt_xp_start__ = . ;}
${R_CRT_XP}
${RELOCATING+___crt_xp_end__ = . ;}
${RELOCATING+___crt_xt_start__ = . ;}
${R_CRT_XT}
${RELOCATING+___crt_xt_end__ = . ;}
}
.tls ${RELOCATING+BLOCK(__section_alignment__)} :
{
${RELOCATING+___tls_start__ = . ;}
${R_TLS}
${RELOCATING+___tls_end__ = . ;}
}
.endjunk ${RELOCATING+BLOCK(__section_alignment__)} :
{
/* end is deprecated, don't use it */
${RELOCATING+PROVIDE (end = .);}
${RELOCATING+PROVIDE ( _end = .);}
${RELOCATING+ __end__ = .;}
}
.rsrc ${RELOCATING+BLOCK(__section_alignment__)} :
{
*(.rsrc)
${R_RSRC}
}
.reloc ${RELOCATING+BLOCK(__section_alignment__)} :
{
*(.reloc)
}
.stab ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.stab)
}
.stabstr ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.stabstr)
}
/* DWARF debug sections.
Symbols in the DWARF debugging sections are relative to the beginning
of the section. Unlike other targets that fake this by putting the
section VMA at 0, the PE format will not allow it. */
/* DWARF 1.1 and DWARF 2. */
.debug_aranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.debug_aranges)
}
.debug_pubnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.debug_pubnames)
}
.debug_pubtypes ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.debug_pubtypes)
}
/* DWARF 2. */
.debug_info ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.debug_info) *(.gnu.linkonce.wi.*)
}
.debug_abbrev ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.debug_abbrev)
}
.debug_line ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.debug_line)
}
.debug_frame ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.debug_frame*)
}
.debug_str ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.debug_str)
}
.debug_loc ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.debug_loc)
}
.debug_macinfo ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.debug_macinfo)
}
/* SGI/MIPS DWARF 2 extensions. */
.debug_weaknames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.debug_weaknames)
}
.debug_funcnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.debug_funcnames)
}
.debug_typenames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.debug_typenames)
}
.debug_varnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.debug_varnames)
}
/* DWARF 3. */
.debug_ranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.debug_ranges)
}
/* DWARF 4. */
.debug_types ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
{
*(.debug_types) *(.gnu.linkonce.wt.*)
}
}
EOF