68000: elf2flt linker rules
authorAlan Cox <alan@linux.intel.com>
Tue, 18 Oct 2016 22:02:24 +0000 (23:02 +0100)
committerAlan Cox <alan@linux.intel.com>
Tue, 18 Oct 2016 22:02:24 +0000 (23:02 +0100)
Library/elf2flt.ld [new file with mode: 0644]

diff --git a/Library/elf2flt.ld b/Library/elf2flt.ld
new file mode 100644 (file)
index 0000000..d9f26b4
--- /dev/null
@@ -0,0 +1,220 @@
+
+ENTRY (_start)
+
+MEMORY {
+       flatmem : ORIGIN = 0x0, LENGTH = 0xfffffff
+}
+
+PHDRS {
+       text PT_LOAD ;
+       data PT_LOAD ;
+}
+
+SECTIONS {
+
+       .text 0x0 : {
+               . = . + 4;
+               . = ALIGN(0x4) ;
+               _stext = . ;
+               *(.literal .text)
+               *(.literal.* .text.*)
+               *(.gnu.warning)
+               *(.stub)
+               *(.gnu.linkonce.literal.*)
+               *(.gnu.linkonce.t*)
+               *(.glue_7t)
+               *(.glue_7)
+               *(.jcr)
+               *(.init.literal)
+               KEEP (*(.init))
+               *(.fini.literal)
+               KEEP (*(.fini))
+
+               *(.rodata)
+               *(.rodata1)
+               *(.rodata.*)
+               *(.gnu.linkonce.r*)
+
+               /* .ARM.extab name sections containing exception unwinding information */
+               *(.ARM.extab* .gnu.linkonce.armextab.*)
+               /* This is special code area at the end of the normal
+                  text section.  It contains a small lookup table at
+                  the start followed by the code pointed to by entries
+                  in the lookup table.  */
+               . = ALIGN (4) ;
+               PROVIDE(__ctbp = .);
+               *(.call_table_data)
+               *(.call_table_text)
+       } > flatmem :text
+
+       /* .ARM.exidx name sections containing index entries for section unwinding */
+       /* .ARM.exidx is sorted, so has to go in its own output section.  */
+       __exidx_start = .;
+       .ARM.exidx :
+       {
+               *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+       } > flatmem
+       __exidx_end = .;
+
+       . = ALIGN(0x20) ;
+       _etext = . ;
+
+       .data : {
+               . = ALIGN(0x4) ;
+               _sdata = . ;
+               __data_start = . ;
+               data_start = . ;
+               *(.got.plt)
+               *(.got)
+               FILL(0) ;
+               . = ALIGN(0x20) ;
+               LONG(-1)
+               . = ALIGN(0x20) ;
+               *(.data)
+               *(.data1)
+               *(.data.*)
+               *(.gnu.linkonce.d*)
+
+               /* Microblaze has .sdata and .sbss (small bss).  They must
+                  be contiguous, so please don't move any of this. JW */
+               _ssrw = . ;
+               *(.sdata)
+               *(.sdata.*)
+               *(.sbss)                        /* Don't move this! */
+               *(.gnu.linkonce.sb*)
+               _essrw = . ;
+
+               _ssrw_size = _essrw - _ssrw;
+               PROVIDE(_SDA_BASE_ = _ssrw + (_ssrw_size / 2));
+
+               *(.gnu.linkonce.s.*)
+               *(__libc_atexit)
+               *(__libc_subinit)
+               *(__libc_subfreeres)
+
+               /* microblaze-specific read-only small data area
+                  and associated locating symbols */
+               _ssro = . ;
+               *(.sdata2)
+               _essro = . ;
+               _ssro_size = _essro - _ssro;
+               PROVIDE(_SDA2_BASE_ = _ssro + (_ssro_size / 2));
+
+               . = ALIGN(4) ;
+TOR:           __CTOR_LIST__ = .;
+TOR:           LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)
+SINGLE_LINK:   /* gcc uses crtbegin.o to find the start of
+SINGLE_LINK:      the constructors, so we make sure it is
+SINGLE_LINK:      first.  Because this is a wildcard, it
+SINGLE_LINK:      doesn't matter if the user does not
+SINGLE_LINK:      actually link against crtbegin.o; the
+SINGLE_LINK:      linker won't look for a file to match a
+SINGLE_LINK:      wildcard.  The wildcard also means that it
+SINGLE_LINK:      doesn't matter which directory crtbegin.o
+SINGLE_LINK:      is in.  */
+SINGLE_LINK:   KEEP (*crtbegin*.o(.ctors))
+SINGLE_LINK:   /* We don't want to include the .ctor section from
+SINGLE_LINK:      from the crtend.o file until after the sorted ctors.
+SINGLE_LINK:      The .ctor section from the crtend file contains the
+SINGLE_LINK:      end of ctors marker and it must be last */
+SINGLE_LINK:   KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
+SINGLE_LINK:   KEEP (*(SORT(.ctors.*)))
+               KEEP (*(.ctors))
+TOR:           LONG(0)
+TOR:           __CTOR_END__ = .;
+TOR:           __DTOR_LIST__ = .;
+TOR:           LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)
+SINGLE_LINK:   KEEP (*crtbegin*.o(.dtors))
+SINGLE_LINK:   KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
+SINGLE_LINK:   KEEP (*(SORT(.dtors.*)))
+               KEEP (*(.dtors))
+TOR:           LONG(0)
+TOR:           __DTOR_END__ = .;
+
+               PROVIDE (__preinit_array_start = .);
+               KEEP (*(.preinit_array))
+               PROVIDE (__preinit_array_end = .);
+
+               PROVIDE (__init_array_start = .);
+               KEEP (*(SORT(.init_array.*)))
+               KEEP (*(.init_array))
+               PROVIDE (__init_array_end = .);
+
+               PROVIDE (__fini_array_start = .);
+               KEEP (*(.fini_array))
+               KEEP (*(SORT(.fini_array.*)))
+               PROVIDE (__fini_array_end = .);
+       } > flatmem :data
+
+       .note.ABI-tag : { *(.note.ABI-tag) } > flatmem
+       .eh_frame_hdr : { *(.eh_frame_hdr) } > flatmem
+       .eh_frame : { KEEP(*(.eh_frame)) } > flatmem
+       .gcc_except_table : {
+               KEEP(*(.gcc_except_table))
+               KEEP(*(.gcc_except_table.*))
+       } >flatmem
+
+       . = ALIGN(0x10) ;
+       _edata = . ;
+
+       .bss : {
+               . = ALIGN(0x4) ;
+               _sbss = ALIGN(0x4) ;
+               __bss_start = . ;
+               *(.dynsbss)
+               *(.sbss)
+               *(.sbss.*)
+               *(.scommon)
+               *(.dynbss)
+               *(.bss)
+               *(.bss.*)
+               *(.bss*)
+               *(.gnu.linkonce.b*)
+               *(COMMON)
+               . = ALIGN(0x10) ;
+               _ebss = . ;
+               _end = . ;
+               end = . ;
+       } > flatmem
+
+       .stack : {
+               . = ALIGN(0x4);
+               _stack_start = .;
+       } > flatmem
+
+       .junk 0 : { *(.rel*) *(.rela*) }
+       /DISCARD/ : { *(.note.GNU-stack) }
+       /* Stabs debugging sections.    */
+       .stab 0 : { *(.stab) }
+       .stabstr 0 : { *(.stabstr) }
+       .stab.excl 0 : { *(.stab.excl) }
+       .stab.exclstr 0 : { *(.stab.exclstr) }
+       .stab.index 0 : { *(.stab.index) }
+       .stab.indexstr 0 : { *(.stab.indexstr) }
+       .comment 0 : { *(.comment) }
+       /* 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 .gnu.linkonce.wi.*) }
+       .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) }
+}