# Unusual variables checked by this code:
# NOP - two byte opcode for no-op (defaults to 0)
# DATA_ADDR - if end-of-text-plus-one-page isn't right for data start
-# OTHER_READONLY_SECTIONS - other than .text .init .ctors .rodata ...
+# OTHER_READONLY_SECTIONS - other than .text .init .rodata ...
# (e.g., .PARISC.milli)
-# OTHER_READWRITE_SECTIONS - other than .data .bss .sdata ...
+# OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ...
# (e.g., .PARISC.global)
# OTHER_SECTIONS - at the end
# EXECUTABLE_SYMBOLS - symbols that must be defined for an
# .data section.
# OTHER_BSS_SYMBOLS - symbols that appear at the start of the
# .bss section besides __bss_start.
-# DATA_PLT - .plt should be in data segment, not text segment.
#
# When adding sections, do note that the names of some sections are used
# when specifying the start address of the next.
test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT}
test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT}
test "$LD_FLAG" = "N" && DATA_ADDR=.
-INTERP=".interp ${RELOCATING-0} : { *(.interp) }"
-PLT=".plt ${RELOCATING-0} : { *(.plt) }"
+SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2) }"
+SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2) }"
+INTERP=".interp ${RELOCATING-0} : { *(.interp) }"
+PLT=".plt ${RELOCATING-0} : { *(.plt) }"
cat <<EOF
OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}",
"${LITTLE_OUTPUT_FORMAT}")
if gld -r is used and the intermediate file has sections starting
at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld
bug. But for now assigning the zero vmas works. */}
+
+${RELOCATING+PROVIDE (__stack = 0);}
+${RELOCATING+PROVIDE (___stack = 0);}
SECTIONS
{
/* Read-only sections, merged into text segment: */
.hash ${RELOCATING-0} : { *(.hash) }
.dynsym ${RELOCATING-0} : { *(.dynsym) }
.dynstr ${RELOCATING-0} : { *(.dynstr) }
- .rela.text ${RELOCATING-0} : { *(.rela.text) }
- .rela.data ${RELOCATING-0} : { *(.rela.data) }
- .rela.rodata ${RELOCATING-0} : { *(.rela.rodata) }
+ .gnu.version ${RELOCATING-0} : { *(.gnu.version) }
+ .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d) }
+ .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r) }
+ .rela.text ${RELOCATING-0} :
+ {
+ *(.rela.text)
+ ${RELOCATING+*(.rela.text.*)}
+ ${RELOCATING+*(.rela.gnu.linkonce.t*)}
+ }
+ .rela.data ${RELOCATING-0} :
+ {
+ *(.rela.data)
+ ${RELOCATING+*(.rela.data.*)}
+ ${RELOCATING+*(.rela.gnu.linkonce.d*)}
+ }
+ .rela.rodata ${RELOCATING-0} :
+ {
+ *(.rela.rodata)
+ ${RELOCATING+*(.rela.rodata.*)}
+ ${RELOCATING+*(.rela.gnu.linkonce.r*)}
+ }
.rela.got ${RELOCATING-0} : { *(.rela.got) }
- .rela.got.neg ${RELOCATING-0} : { *(.rela.got.neg) }
.rela.got1 ${RELOCATING-0} : { *(.rela.got1) }
.rela.got2 ${RELOCATING-0} : { *(.rela.got2) }
.rela.ctors ${RELOCATING-0} : { *(.rela.ctors) }
.rela.fini ${RELOCATING-0} : { *(.rela.fini) }
.rela.bss ${RELOCATING-0} : { *(.rela.bss) }
.rela.plt ${RELOCATING-0} : { *(.rela.plt) }
- .init ${RELOCATING-0} : { *(.init) } =${NOP-0}
- ${DATA_PLT-${PLT}}
+ .rela.sdata ${RELOCATING-0} : { *(.rela.sdata) }
+ .rela.sbss ${RELOCATING-0} : { *(.rela.sbss) }
+ .rela.sdata2 ${RELOCATING-0} : { *(.rela.sdata2) }
+ .rela.sbss2 ${RELOCATING-0} : { *(.rela.sbss2) }
.text ${RELOCATING-0} :
{
${RELOCATING+${TEXT_START_SYMBOLS}}
*(.text)
+ ${RELOCATING+*(.text.*)}
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
+ ${RELOCATING+*(.gnu.linkonce.t*)}
} =${NOP-0}
+ .init ${RELOCATING-0} : { KEEP (*(.init)) } =${NOP-0}
+ .fini ${RELOCATING-0} : { KEEP (*(.fini)) } =${NOP-0}
+ .rodata ${RELOCATING-0} :
+ {
+ *(.rodata)
+ ${RELOCATING+*(.rodata.*)}
+ ${RELOCATING+*(.gnu.linkonce.r*)}
+ }
+ .rodata1 ${RELOCATING-0} : { *(.rodata1) }
${RELOCATING+_etext = .;}
${RELOCATING+PROVIDE (etext = .);}
- .fini ${RELOCATING-0} : { *(.fini) } =${NOP-0}
- .rodata ${RELOCATING-0} : { *(.rodata) }
- .rodata1 ${RELOCATING-0} : { *(.rodata1) }
+ ${RELOCATING+PROVIDE (__etext = .);}
+ ${CREATE_SHLIB-${SDATA2}}
+ ${CREATE_SHLIB-${SBSS2}}
${RELOCATING+${OTHER_READONLY_SECTIONS}}
- /* Read-write section, merged into data segment: */
+ /* Adjust the address for the data segment. We want to adjust up to
+ the same address within the page on the next page up. It would
+ be more correct to do this:
+ ${RELOCATING+. = ${DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (ALIGN(8) & (${MAXPAGESIZE} - 1))};}
+ The current expression does not correctly handle the case of a
+ text segment ending precisely at the end of a page; it causes the
+ data segment to skip a page. The above expression does not have
+ this problem, but it will currently (2/95) cause BFD to allocate
+ a single segment, combining both text and data, for this case.
+ This will prevent the text segment from being shared among
+ multiple executions of the program; I think that is more
+ important than losing a page of the virtual address space (note
+ that no actual memory is lost; the page which is skipped can not
+ be referenced). */
${RELOCATING+. = ${DATA_ADDR- ALIGN(8) + ${MAXPAGESIZE}};}
+
.data ${RELOCATING-0} :
{
${RELOCATING+${DATA_START_SYMBOLS}}
*(.data)
+ ${RELOCATING+*(.data.*)}
+ ${RELOCATING+*(.gnu.linkonce.d*)}
${CONSTRUCTING+CONSTRUCTORS}
}
.data1 ${RELOCATING-0} : { *(.data1) }
${RELOCATING+${OTHER_READWRITE_SECTIONS}}
- .sdata2 ${RELOCATING-0} : { *(.sdata2) }
- .sbss2 ${RELOCATING-0} : { *(.sbss2) }
.got1 ${RELOCATING-0} : { *(.got1) }
.dynamic ${RELOCATING-0} : { *(.dynamic) }
get relocated with -mrelocatable. Also put in the .fixup pointers.
The current compiler no longer needs this, but keep it around for 2.7.2 */
- ${RELOCATING+_GOT2_START_ = .;}
+ ${RELOCATING+PROVIDE (_GOT2_START_ = .);}
+ ${RELOCATING+PROVIDE (__GOT2_START_ = .);}
.got2 ${RELOCATING-0} : { *(.got2) }
- ${RELOCATING+__CTOR_LIST__ = .;}
- .ctors ${RELOCATING-0} : { *(.ctors) }
- ${RELOCATING+__CTOR_END__ = .;}
+ ${RELOCATING+PROVIDE (__CTOR_LIST__ = .);}
+ ${RELOCATING+PROVIDE (___CTOR_LIST__ = .);}
+ .ctors ${RELOCATING-0} : {
+ /* gcc uses crtbegin.o to find the start of
+ the constructors, so we make sure it is
+ first. Because this is a wildcard, it
+ doesn't matter if the user does not
+ actually link against crtbegin.o; the
+ linker won't look for a file to match a
+ wildcard. The wildcard also means that it
+ doesn't matter which directory crtbegin.o
+ is in. */
+ KEEP (*crtbegin.o(.ctors))
+ KEEP (*(SORT(.ctors.*)))
+ KEEP (*(.ctors)) }
+ ${RELOCATING+PROVIDE (__CTOR_END__ = .);}
+ ${RELOCATING+PROVIDE (___CTOR_END__ = .);}
- ${RELOCATING+__DTOR_LIST__ = .;}
- .dtors ${RELOCATING-0} : { *(.dtors) }
- ${RELOCATING+__DTOR_END__ = .;}
+ ${RELOCATING+PROVIDE (__DTOR_LIST__ = .);}
+ ${RELOCATING+PROVIDE (___DTOR_LIST__ = .);}
+ .dtors ${RELOCATING-0} : {
+ KEEP (*crtbegin.o(.dtors))
+ KEEP (*(SORT(.dtors.*)))
+ KEEP (*(.dtors)) }
+ ${RELOCATING+PROVIDE (__DTOR_END__ = .);}
+ ${RELOCATING+PROVIDE (___DTOR_END__ = .);}
- ${RELOCATING+_FIXUP_START_ = .;}
+ ${RELOCATING+PROVIDE (_FIXUP_START_ = .);}
+ ${RELOCATING+PROVIDE (__FIXUP_START_ = .);}
.fixup ${RELOCATING-0} : { *(.fixup) }
- ${RELOCATING+_FIXUP_END_ = .;}
- ${RELOCATING+_GOT2_END_ = .;}
-
- /* .got.neg is for items that would normally go in the .got that are addressed
- negative of _GLOBAL_OFFSET_TABLE. .got.blrl is to hold the blrl instruction
- that is _GLOBAL_OFFSET_TABLE_-4 so that a function can easily get the
- address of _GLOBAL_OFFSET_TABLE. */
-
- .got.neg ${RELOCATING-0} : { *(.got.neg) }
- .got.blrl ${RELOCATING-0} : { *(.got.blrl) }
- ${RELOCATING+_GOT_START_ = .;}
- ${RELOCATING+_GLOBAL_OFFSET_TABLE_ = .;}
+ ${RELOCATING+PROVIDE (_FIXUP_END_ = .);}
+ ${RELOCATING+PROVIDE (__FIXUP_END_ = .);}
+ ${RELOCATING+PROVIDE (_GOT2_END_ = .);}
+ ${RELOCATING+PROVIDE (__GOT2_END_ = .);}
+
+ ${RELOCATING+PROVIDE (_GOT_START_ = .);}
+ ${RELOCATING+PROVIDE (__GOT_START_ = .);}
.got ${RELOCATING-0} : { *(.got) }
.got.plt ${RELOCATING-0} : { *(.got.plt) }
- ${RELOCATING+_GOT_END_ = .;}
-
- ${DATA_PLT+${PLT}}
+ ${CREATE_SHLIB+${SDATA2}}
+ ${CREATE_SHLIB+${SBSS2}}
+ ${RELOCATING+PROVIDE (_GOT_END_ = .);}
+ ${RELOCATING+PROVIDE (__GOT_END_ = .);}
/* We want the small data sections together, so single-instruction offsets
can access them all, and initialized data all before uninitialized, so
we can shorten the on-disk segment size. */
- ${RELOCATING+_SDA_BASE_ = . + 32768;}
- .sdata ${RELOCATING-0} : { *(.sdata) }
+ .sdata ${RELOCATING-0} : { *(.sdata) }
${RELOCATING+_edata = .;}
${RELOCATING+PROVIDE (edata = .);}
+ ${RELOCATING+PROVIDE (__edata = .);}
.sbss ${RELOCATING-0} :
{
- ${RELOCATING+__sbss_start = .;}
+ ${RELOCATING+PROVIDE (__sbss_start = .);}
+ ${RELOCATING+PROVIDE (___sbss_start = .);}
*(.sbss)
*(.scommon)
- ${RELOCATING+__sbss_end = .;}
+ *(.dynsbss)
+ ${RELOCATING+PROVIDE (__sbss_end = .);}
+ ${RELOCATING+PROVIDE (___sbss_end = .);}
}
+ ${PLT}
.bss ${RELOCATING-0} :
{
${RELOCATING+${OTHER_BSS_SYMBOLS}}
- ${RELOCATING+__bss_start = .;}
+ ${RELOCATING+PROVIDE (__bss_start = .);}
+ ${RELOCATING+PROVIDE (___bss_start = .);}
*(.dynbss)
*(.bss)
*(COMMON)
}
${RELOCATING+_end = . ;}
${RELOCATING+PROVIDE (end = .);}
+ ${RELOCATING+PROVIDE (__end = .);}
/* These are needed for ELF backends which have not yet been
converted to the new style linker. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
+ /* DWARF debug sections.
+ Symbols in the DWARF debugging sections are relative to the beginning
+ of the section so we begin them at 0. */
+
+ /* DWARF 1 */
+ .debug 0 : { *(.debug) }
+ .line 0 : { *(.line) }
+
+ /* GNU DWARF 1 extensions */
+ .debug_srcinfo 0 : { *(.debug_srcinfo) }
+ .debug_sfnames 0 : { *(.debug_sfnames) }
+
+ /* DWARF 1.1 and DWARF 2 */
+ .debug_aranges 0 : { *(.debug_aranges) }
+ .debug_pubnames 0 : { *(.debug_pubnames) }
+
+ /* DWARF 2 */
+ .debug_info 0 : { *(.debug_info) }
+ .debug_abbrev 0 : { *(.debug_abbrev) }
+ .debug_line 0 : { *(.debug_line) }
+ .debug_frame 0 : { *(.debug_frame) }
+ .debug_str 0 : { *(.debug_str) }
+ .debug_loc 0 : { *(.debug_loc) }
+ .debug_macinfo 0 : { *(.debug_macinfo) }
+
+ /* SGI/MIPS DWARF 2 extensions */
+ .debug_weaknames 0 : { *(.debug_weaknames) }
+ .debug_funcnames 0 : { *(.debug_funcnames) }
+ .debug_typenames 0 : { *(.debug_typenames) }
+ .debug_varnames 0 : { *(.debug_varnames) }
+
/* These must appear regardless of ${RELOCATING}. */
${OTHER_SECTIONS}
}
projects / thirdparty / binutils-gdb.git / blobdiff