#
# Unusual variables checked by this code:
# NOP - four byte opcode for no-op (defaults to 0)
+# NO_SMALL_DATA - no .sbss/.sbss2/.sdata/.sdata2 sections if not
+# empty.
# DATA_ADDR - if end-of-text-plus-one-page isn't right for data start
# INITIAL_READONLY_SECTIONS - at start of text segment
# OTHER_READONLY_SECTIONS - other than .text .init .rodata ...
test -z "${ELFSIZE}" && ELFSIZE=32
test -z "${ALIGNMENT}" && ALIGNMENT="${ELFSIZE} / 8"
test "$LD_FLAG" = "N" && DATA_ADDR=.
+DATA_SEGMENT_ALIGN="ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))"
+if [ -n "${COMMONPAGESIZE}" ]; then
+ DATA_SEGMENT_ALIGN="DATA_SEGMENT_ALIGN(${MAXPAGESIZE}, ${COMMONPAGESIZE})"
+fi
INTERP=".interp ${RELOCATING-0} : { *(.interp) }"
PLT=".plt ${RELOCATING-0} : { *(.plt) }"
DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }"
RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }"
-SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2${RELOCATING+ .sbss2.* .gnu.linkonce.sb2.*}) }"
-SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2${RELOCATING+ .sdata2.* .gnu.linkonce.s2.*}) }"
+if test -z "${NO_SMALL_DATA}"; then
+ SBSS=".sbss ${RELOCATING-0} :
+ {
+ ${RELOCATING+PROVIDE (__sbss_start = .);}
+ ${RELOCATING+PROVIDE (___sbss_start = .);}
+ *(.dynsbss)
+ *(.sbss${RELOCATING+ .sbss.* .gnu.linkonce.sb.*})
+ *(.scommon)
+ ${RELOCATING+PROVIDE (__sbss_end = .);}
+ ${RELOCATING+PROVIDE (___sbss_end = .);}
+ }"
+ SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2${RELOCATING+ .sbss2.* .gnu.linkonce.sb2.*}) }"
+ SDATA="/* 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. */
+ .sdata ${RELOCATING-0} :
+ {
+ ${RELOCATING+${SDATA_START_SYMBOLS}}
+ *(.sdata${RELOCATING+ .sdata.* .gnu.linkonce.s.*})
+ }"
+ SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2${RELOCATING+ .sdata2.* .gnu.linkonce.s2.*}) }"
+ REL_SDATA=".rel.sdata ${RELOCATING-0} : { *(.rel.sdata${RELOCATING+ .rel.sdata.* .rel.gnu.linkonce.s.*}) }
+ .rela.sdata ${RELOCATING-0} : { *(.rela.sdata${RELOCATING+ .rela.sdata.* .rela.gnu.linkonce.s.*}) }"
+ REL_SBSS=".rel.sbss ${RELOCATING-0} : { *(.rel.sbss${RELOCATING+ .rel.sbss.* .rel.gnu.linkonce.sb.*}) }
+ .rela.sbss ${RELOCATING-0} : { *(.rela.sbss${RELOCATING+ .rela.sbss.* .rela.gnu.linkonce.sb.*}) }"
+ REL_SDATA2=".rel.sdata2 ${RELOCATING-0} : { *(.rel.sdata2${RELOCATING+ .rel.sdata2.* .rel.gnu.linkonce.s2.*}) }
+ .rela.sdata2 ${RELOCATING-0} : { *(.rela.sdata2${RELOCATING+ .rela.sdata2.* .rela.gnu.linkonce.s2.*}) }"
+ REL_SBSS2=".rel.sbss2 ${RELOCATING-0} : { *(.rel.sbss2${RELOCATING+ .rel.sbss2.* .rel.gnu.linkonce.sb2.*}) }
+ .rela.sbss2 ${RELOCATING-0} : { *(.rela.sbss2${RELOCATING+ .rela.sbss2.* .rela.gnu.linkonce.sb2.*}) }"
+fi
CTOR=".ctors ${CONSTRUCTING-0} :
{
${CONSTRUCTING+${CTOR_START}}
.rel.got ${RELOCATING-0} : { *(.rel.got) }
.rela.got ${RELOCATING-0} : { *(.rela.got) }
${OTHER_GOT_RELOC_SECTIONS}
- .rel.sdata ${RELOCATING-0} : { *(.rel.sdata${RELOCATING+ .rel.sdata.* .rel.gnu.linkonce.s.*}) }
- .rela.sdata ${RELOCATING-0} : { *(.rela.sdata${RELOCATING+ .rela.sdata.* .rela.gnu.linkonce.s.*}) }
- .rel.sbss ${RELOCATING-0} : { *(.rel.sbss${RELOCATING+ .rel.sbss.* .rel.gnu.linkonce.sb.*}) }
- .rela.sbss ${RELOCATING-0} : { *(.rela.sbss${RELOCATING+ .rela.sbss.* .rela.gnu.linkonce.sb.*}) }
- .rel.sdata2 ${RELOCATING-0} : { *(.rel.sdata2${RELOCATING+ .rel.sdata2.* .rel.gnu.linkonce.s2.*}) }
- .rela.sdata2 ${RELOCATING-0} : { *(.rela.sdata2${RELOCATING+ .rela.sdata2.* .rela.gnu.linkonce.s2.*}) }
- .rel.sbss2 ${RELOCATING-0} : { *(.rel.sbss2${RELOCATING+ .rel.sbss2.* .rel.gnu.linkonce.sb2.*}) }
- .rela.sbss2 ${RELOCATING-0} : { *(.rela.sbss2${RELOCATING+ .rela.sbss2.* .rela.gnu.linkonce.sb2.*}) }
+ ${REL_SDATA}
+ ${REL_SBSS}
+ ${REL_SDATA2}
+ ${REL_SBSS2}
.rel.bss ${RELOCATING-0} : { *(.rel.bss${RELOCATING+ .rel.bss.* .rel.gnu.linkonce.b.*}) }
.rela.bss ${RELOCATING-0} : { *(.rela.bss${RELOCATING+ .rela.bss.* .rela.gnu.linkonce.b.*}) }
EOF
${RELOCATING+${INIT_END}}
} =${NOP-0}
+ /* Ensure the __preinit_array_start label is properly aligned. We
+ could instead move the label definition inside the section, but
+ the linker would then create the section even if it turns out to
+ be empty, which isn't pretty. */
+ ${RELOCATING+. = ALIGN(${ALIGNMENT});}
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE (__preinit_array_start = .);}}
+ .preinit_array ${RELOCATING-0} : { *(.preinit_array) }
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE (__preinit_array_end = .);}}
+
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE (__init_array_start = .);}}
+ .init_array ${RELOCATING-0} : { *(.init_array) }
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE (__init_array_end = .);}}
+
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_start = .);}}
+ .fini_array ${RELOCATING-0} : { *(.fini_array) }
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_end = .);}}
+
${DATA_PLT-${BSS_PLT-${PLT}}}
.text ${RELOCATING-0} :
{
${CREATE_SHLIB-${SDATA2}}
${CREATE_SHLIB-${SBSS2}}
${OTHER_READONLY_SECTIONS}
+ .eh_frame_hdr : { *(.eh_frame_hdr) }
/* Adjust the address for the data segment. We want to adjust up to
the same address within the page on the next page up. */
- ${CREATE_SHLIB-${RELOCATING+. = ${DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))};}}
- ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))};}}
+ ${CREATE_SHLIB-${RELOCATING+. = ${DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}
+ ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}
.data ${RELOCATING-0} :
{
${OTHER_GOT_SECTIONS}
${CREATE_SHLIB+${SDATA2}}
${CREATE_SHLIB+${SBSS2}}
- /* 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. */
- .sdata ${RELOCATING-0} :
- {
- ${RELOCATING+${SDATA_START_SYMBOLS}}
- *(.sdata${RELOCATING+ .sdata.* .gnu.linkonce.s.*})
- }
+ ${SDATA}
${OTHER_SDATA_SECTIONS}
${RELOCATING+_edata = .;}
${RELOCATING+PROVIDE (edata = .);}
${RELOCATING+__bss_start = .;}
${RELOCATING+${OTHER_BSS_SYMBOLS}}
- .sbss ${RELOCATING-0} :
- {
- ${RELOCATING+PROVIDE (__sbss_start = .);}
- ${RELOCATING+PROVIDE (___sbss_start = .);}
- *(.dynsbss)
- *(.sbss${RELOCATING+ .sbss.* .gnu.linkonce.sb.*})
- *(.scommon)
- ${RELOCATING+PROVIDE (__sbss_end = .);}
- ${RELOCATING+PROVIDE (___sbss_end = .);}
- }
+ ${SBSS}
${BSS_PLT+${PLT}}
.bss ${RELOCATING-0} :
{
${RELOCATING+_end = .;}
${RELOCATING+${OTHER_BSS_END_SYMBOLS}}
${RELOCATING+PROVIDE (end = .);}
+ ${COMMONPAGESIZE+${RELOCATING+. = DATA_SEGMENT_END (.);}}
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }