This is the script used to link the kernel. A flaw in ld makes

setting the load address using 0xffffffff80100000 impossible
so a workaround using -0x7.... is used.
Hopefully this file will go away and using -N and -Ttext= will
work once binutils is fixed.

1 files changed, 177 insertions, 41 deletions

diff --git a/sys/arch/sgi/conf/ld.script b/sys/arch/sgi/conf/ld.script
index 9076ac46476..7232cc5b178 100644
--- a/sys/arch/sgi/conf/ld.script
+++ b/sys/arch/sgi/conf/ld.script
@@ -1,74 +1,210 @@
-OUTPUT_FORMAT("elf64-tradbigmips", "elf64-tradlittlemips",
-	      "elf64-tradbigmips")
+/* Script for -N: mix text and data on same page; don't align data */
+OUTPUT_FORMAT("elf64-tradbigmips", "elf64-tradbigmips",
+	      "elf64-tradlittlemips")
 OUTPUT_ARCH(mips)
-ENTRY(_start)
+ENTRY(__start)
 SECTIONS
 {
   /* Read-only sections, merged into text segment: */
-  . = 0xffffffff80100000 + SIZEOF_HEADERS;
-  .text      :
+  /* This is so retarded. 0xffffffff8010 does not work!! */
+  . = -0x7ff00000 + SIZEOF_HEADERS;
+  .interp         : { *(.interp) }
+  .MIPS.options : { *(.MIPS.options) }
+  .dynamic        : { *(.dynamic) }
+  .hash           : { *(.hash) }
+  .dynsym         : { *(.dynsym) }
+  .dynstr         : { *(.dynstr) }
+  .gnu.version    : { *(.gnu.version) }
+  .gnu.version_d  : { *(.gnu.version_d) }
+  .gnu.version_r  : { *(.gnu.version_r) }
+  .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.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) }
+  .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           :
+  {
+    KEEP (*(.init))
+  } =0
+  .plt            : { *(.plt) }
+  .text           :
   {
     _ftext = . ;
-    *(.text)
-    *(.rodata)
-    *(.rodata1)
-    *(.reginfo)
-    *(.init)
-    *(.stub)
+    *(.text .stub .text.* .gnu.linkonce.t.*)
     /* .gnu.warning sections are handled specially by elf32.em.  */
     *(.gnu.warning)
+    *(.mips16.fn.*) *(.mips16.call.*)
   } =0
-  _etext = .;
+  .fini           :
+  {
+    KEEP (*(.fini))
+  } =0
+  PROVIDE (__etext = .);
+  PROVIDE (_etext = .);
   PROVIDE (etext = .);
-  .fini      : { *(.fini)    } =0
-  .data    :
+  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
+  .rodata1        : { *(.rodata1) }
+  .sdata2         : { *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) }
+  .sbss2          : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
+  .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.  */
+  . = .;
+  /* 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.  */
+  . = ALIGN(64 / 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 = .);
+  .data           :
   {
     _fdata = . ;
-    *(.data)
-    CONSTRUCTORS
+    *(.data .data.* .gnu.linkonce.d.*)
+    SORT(CONSTRUCTORS)
   }
-  .data1   : { *(.data1) }
-  .ctors         : { *(.ctors)   }
-  .dtors         : { *(.dtors)   }
-  _gp = ALIGN(16) + 0x7ff0;
-  .got           :
+  .data1          : { *(.data1) }
+  .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
+  .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
+  .eh_frame       : { KEEP (*(.eh_frame)) }
+  .gcc_except_table   : { *(.gcc_except_table) }
+  .ctors          :
   {
-    *(.got.plt) *(.got)
-   }
+    /* 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
+       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))
+  }
+  .dtors          :
+  {
+    KEEP (*crtbegin*.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*(.dtors))
+  }
+  .jcr            : { KEEP (*(.jcr)) }
+  /* pad CTOR/DTOR, GOT (and PLT if DATA_PLT) to page aligned if PAD_GOT */
+  _gp = ALIGN(16) + 0x7ff0;
+  .got            : { *(.got.plt) *(.got) }
+  /* If PAD_CDTOR, CTOR and DTOR relocated here to receive mprotect
+     protection after relocation are finished same as 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) }
-  .lit8 : { *(.lit8) }
-  .lit4 : { *(.lit4) }
-  _edata  =  .;
+  .sdata          :
+  {
+    *(.sdata .sdata.* .gnu.linkonce.s.*)
+  }
+  .lit8           : { *(.lit8) }
+  .lit4           : { *(.lit4) }
+  .srdata         : { *(.srdata) }
+  _edata = .;
   PROVIDE (edata = .);
   __bss_start = .;
   _fbss = .;
-  .sbss      : { *(.sbss) *(.scommon) }
-  .bss       :
+  .sbss           :
+  {
+    PROVIDE (__sbss_start = .);
+    PROVIDE (___sbss_start = .);
+    *(.dynsbss)
+    *(.sbss .sbss.* .gnu.linkonce.sb.*)
+    *(.scommon)
+    PROVIDE (__sbss_end = .);
+    PROVIDE (___sbss_end = .);
+  }
+  .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.  */
+   . = ALIGN(64 / 8);
   }
-  _end = . ;
+  . = ALIGN(64 / 8);
+  _end = .;
   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) }
+  /* 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 .debug DWARF section are relative to the beginning of the
-     section so we begin .debug at 0.  It's not clear yet what needs to happen
-     for the others.   */
+     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) }
-  .debug_sfnames  0 : { *(.debug_sfnames) }
-  .line           0 : { *(.line) }
-  /* These must appear regardless of  .  */
+  /* 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) }
   .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
   .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
 }