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-rw-r--r--ppc.ld224
1 files changed, 156 insertions, 68 deletions
diff --git a/ppc.ld b/ppc.ld
index d0a0dcb9e..1e6bbe9a6 100644
--- a/ppc.ld
+++ b/ppc.ld
@@ -2,8 +2,8 @@
* Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>;
*/
OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
-OUTPUT_ARCH(powerpc)
-SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/alpha-unknown-linux-gnu/lib);
+OUTPUT_ARCH(powerpc:common)
+SEARCH_DIR(/usr/powerpc-linux-gnu/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib)
ENTRY(_start)
SECTIONS
{
@@ -16,93 +16,179 @@ SECTIONS
.gnu.version : { *(.gnu.version) }
.gnu.version_d : { *(.gnu.version_d) }
.gnu.version_r : { *(.gnu.version_r) }
- .rel.text :
- { *(.rel.text) *(.rel.gnu.linkonce.t*) }
- .rela.text :
- { *(.rela.text) *(.rela.gnu.linkonce.t*) }
- .rel.data :
- { *(.rel.data) *(.rel.gnu.linkonce.d*) }
- .rela.data :
- { *(.rela.data) *(.rela.gnu.linkonce.d*) }
- .rel.rodata :
- { *(.rel.rodata) *(.rel.gnu.linkonce.r*) }
- .rela.rodata :
- { *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
- .rel.got : { *(.rel.got) }
- .rela.got : { *(.rela.got) }
- .rel.ctors : { *(.rel.ctors) }
- .rela.ctors : { *(.rela.ctors) }
- .rel.dtors : { *(.rel.dtors) }
- .rela.dtors : { *(.rela.dtors) }
- .rel.init : { *(.rel.init) }
- .rela.init : { *(.rela.init) }
- .rel.fini : { *(.rel.fini) }
- .rela.fini : { *(.rela.fini) }
- .rel.bss : { *(.rel.bss) }
- .rela.bss : { *(.rela.bss) }
- .rel.plt : { *(.rel.plt) }
- .rela.plt : { *(.rela.plt) }
- .init : { *(.init) } =0x47ff041f
- .text :
+ .rel.init : { *(.rel.init) }
+ .rela.init : { *(.rela.init) }
+ .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
+ .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
+ .rel.fini : { *(.rel.fini) }
+ .rela.fini : { *(.rela.fini) }
+ .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
+ .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
+ .rel.data.rel.ro : { *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) }
+ .rela.data.rel.ro : { *(.rela.data.rel.ro* .rela.gnu.linkonce.d.rel.ro.*) }
+ .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
+ .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
+ .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
+ .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
+ .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
+ .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rela.got1 : { *(.rela.got1) }
+ .rela.got2 : { *(.rela.got2) }
+ .rel.sdata : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) }
+ .rela.sdata : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) }
+ .rel.sbss : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) }
+ .rela.sbss : { *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) }
+ .rel.sdata2 : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) }
+ .rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) }
+ .rel.sbss2 : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) }
+ .rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) }
+ .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
+ .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init :
{
- *(.text)
+ KEEP (*(.init))
+ } =0
+ .text :
+ {
+ *(.text .stub .text.* .gnu.linkonce.t.*)
+ KEEP (*(.text.*personality*))
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
- *(.gnu.linkonce.t*)
+ *(.glink)
+ } =0x47ff041f
+ .fini :
+ {
+ KEEP (*(.fini))
} =0x47ff041f
- _etext = .;
+ PROVIDE (__etext = .);
+ PROVIDE (_etext = .);
PROVIDE (etext = .);
- .fini : { *(.fini) } =0x47ff041f
- . = ALIGN(32 / 8);
- PROVIDE (__preinit_array_start = .);
- .preinit_array : { *(.preinit_array) }
- PROVIDE (__preinit_array_end = .);
- PROVIDE (__init_array_start = .);
- .init_array : { *(.init_array) }
- PROVIDE (__init_array_end = .);
- PROVIDE (__fini_array_start = .);
- .fini_array : { *(.fini_array) }
- PROVIDE (__fini_array_end = .);
- .rodata : { *(.rodata) *(.gnu.linkonce.r*) }
- .rodata1 : { *(.rodata1) }
- .reginfo : { *(.reginfo) }
+ .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
+ .rodata1 : { *(.rodata1) }
+ .sdata2 :
+ {
+ PROVIDE (_SDA2_BASE_ = 32768);
+ *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
+ }
+ .sbss2 : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
+ .eh_frame_hdr : { *(.eh_frame_hdr) }
+ .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) }
+ .gcc_except_table : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
/* Adjust the address for the data segment. We want to adjust up to
the same address within the page on the next page up. */
- . = ALIGN(0x100000) + (. & (0x100000 - 1));
- .data :
+ . = ALIGN (0x10000) - ((0x10000 - .) & (0x10000 - 1)); . = DATA_SEGMENT_ALIGN (0x10000, 0x1000);
+ /* Exception handling */
+ .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) }
+ .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
+ /* Thread Local Storage sections */
+ .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
+ .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
+ .preinit_array :
+ {
+ PROVIDE_HIDDEN (__preinit_array_start = .);
+ KEEP (*(.preinit_array))
+ PROVIDE_HIDDEN (__preinit_array_end = .);
+ }
+ .init_array :
+ {
+ PROVIDE_HIDDEN (__init_array_start = .);
+ KEEP (*(SORT(.init_array.*)))
+ KEEP (*(.init_array))
+ PROVIDE_HIDDEN (__init_array_end = .);
+ }
+ .fini_array :
+ {
+ PROVIDE_HIDDEN (__fini_array_start = .);
+ KEEP (*(.fini_array))
+ KEEP (*(SORT(.fini_array.*)))
+ PROVIDE_HIDDEN (__fini_array_end = .);
+ }
+ .ctors :
{
- *(.data)
- *(.gnu.linkonce.d*)
- CONSTRUCTORS
+ /* 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))
+ /* We don't want to include the .ctor section from
+ the crtend.o file until after the sorted ctors.
+ The .ctor section from the crtend file contains the
+ end of ctors marker and it must be last */
+ KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
+ KEEP (*(SORT(.ctors.*)))
+ KEEP (*(.ctors))
}
- .data1 : { *(.data1) }
- .ctors :
+ .dtors :
{
- *(.ctors)
+ KEEP (*crtbegin*.o(.dtors))
+ KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
+ KEEP (*(SORT(.dtors.*)))
+ KEEP (*(.dtors))
}
- .dtors :
+ .jcr : { KEEP (*(.jcr)) }
+ .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
+ .got1 : { *(.got1) }
+ .got2 : { *(.got2) }
+ .dynamic : { *(.dynamic) }
+ .got : SPECIAL { *(.got) }
+ . = DATA_SEGMENT_RELRO_END (0, .);
+ .plt : SPECIAL { *(.plt) }
+ .data :
{
- *(.dtors)
+ *(.data .data.* .gnu.linkonce.d.*)
+ KEEP (*(.gnu.linkonce.d.*personality*))
+ SORT(CONSTRUCTORS)
}
- .plt : { *(.plt) }
- .got : { *(.got.plt) *(.got) }
- .dynamic : { *(.dynamic) }
+ .data1 : { *(.data1) }
+ .got : SPECIAL { *(.got) }
/* 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 : { *(.sdata) }
- _edata = .;
- PROVIDE (edata = .);
+ .sdata :
+ {
+ PROVIDE (_SDA_BASE_ = 32768);
+ *(.sdata .sdata.* .gnu.linkonce.s.*)
+ }
+ _edata = .; PROVIDE (edata = .);
__bss_start = .;
- .sbss : { *(.sbss) *(.scommon) }
- .bss :
+ .sbss :
+ {
+ PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .);
+ *(.dynsbss)
+ *(.sbss .sbss.* .gnu.linkonce.sb.*)
+ *(.scommon)
+ PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .);
+ }
+ .plt : SPECIAL { *(.plt) }
+ .bss :
{
*(.dynbss)
- *(.bss)
+ *(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON)
+ /* Align here to ensure that the .bss section occupies space up to
+ _end. Align after .bss to ensure correct alignment even if the
+ .bss section disappears because there are no input sections.
+ FIXME: Why do we need it? When there is no .bss section, we don't
+ pad the .data section. */
+ . = ALIGN(. != 0 ? 32 / 8 : 1);
}
- _end = . ;
- PROVIDE (end = .);
+ . = ALIGN(32 / 8);
+ . = ALIGN(32 / 8);
+ _end = .; PROVIDE (end = .);
+ . = DATA_SEGMENT_END (.);
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
@@ -137,4 +223,6 @@ SECTIONS
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
/* These must appear regardless of . */
+ /DISCARD/ : { *(.fixup) }
+ /DISCARD/ : { *(.note.GNU-stack) }
}