Add a Makefile, ldscript, and config magic for sparc64. This is tailored

to build with a cross compiler alongside the standard compiler; it would be
more desirable to build in a chroot.

1 files changed, 267 insertions, 0 deletions

diff --git a/sys/conf/ldscript.sparc64 b/sys/conf/ldscript.sparc64
new file mode 100644
index 0000000..cc65cd4
--- /dev/null
+++ b/sys/conf/ldscript.sparc64
@@ -0,0 +1,267 @@
+/* $FreeBSD$ */
+OUTPUT_FORMAT("elf64-sparc", "elf64-sparc",
+	      "elf64-sparc")
+OUTPUT_ARCH(sparc:v9)
+ENTRY(_start)
+ SEARCH_DIR(/home/jake/sparc64-unknown-elf/lib);
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  . = 0x60000000000 + SIZEOF_HEADERS;
+  .interp     : { *(.interp) 	}
+  .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.*)
+    }
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+    {
+      *(.rela.rodata)
+      *(.rela.rodata.*)
+      *(.rela.gnu.linkonce.r.*)
+    }
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+    {
+      *(.rel.data)
+      *(.rel.data.*)
+      *(.rel.gnu.linkonce.d.*)
+    }
+  .rela.data     :
+    {
+      *(.rela.data)
+      *(.rela.data.*)
+      *(.rela.gnu.linkonce.d.*)
+    }
+  .rel.ctors     : { *(.rel.ctors)	}
+  .rela.ctors    : { *(.rela.ctors)	}
+  .rel.dtors     : { *(.rel.dtors)	}
+  .rela.dtors    : { *(.rela.dtors)	}
+  .rel.got       : { *(.rel.got)		}
+  .rela.got      : { *(.rela.got)		}
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+    {
+      *(.rel.sdata)
+      *(.rel.sdata.*)
+      *(.rel.gnu.linkonce.s.*)
+    }
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+    {
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+      *(.rela.sdata.*)
+      *(.rela.gnu.linkonce.s.*)
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+      *(.rela.sdata2.*)
+      *(.rela.gnu.linkonce.s2.*)
+    }
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+    { 
+      *(.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))
+  } = 0x60000000000
+  .text      :
+  {
+    *(.trap)
+    *(.text)
+    *(.text.*)
+    *(.stub)
+    /* .gnu.warning sections are handled specially by elf32.em.  */
+    *(.gnu.warning)
+    *(.gnu.linkonce.t.*)
+  } = 0x60000000000
+  .fini      :
+  {
+    KEEP (*(.fini))
+  } = 0x60000000000
+  PROVIDE (__etext = .);
+  PROVIDE (_etext = .);
+  PROVIDE (etext = .);
+  .rodata   : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) }
+  .rodata1   : { *(.rodata1) }
+  .sdata2   : { *(.sdata2) *(.sdata2.*) *(.gnu.linkonce.s2.*) }
+  .sbss2   : { *(.sbss2) *(.sbss2.*) *(.gnu.linkonce.sb2.*) }
+  . = ALIGN(0x2000) + (. & (0x2000 - 1));
+  .data    :
+  {
+    *(.data)
+    *(.data.*)
+    *(.gnu.linkonce.d.*)
+    SORT(CONSTRUCTORS)
+  }
+  .data1   : { *(.data1) }
+  .eh_frame : { KEEP (*(.eh_frame)) }
+  .gcc_except_table : { *(.gcc_except_table) }
+  .ctors   : 
+  {
+    /* 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))
+  }
+  .plt      : { *(.plt)	}
+  .got		  : { *(.got.plt) *(.got) }
+  .dynamic       : { *(.dynamic) }
+  /* 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) 
+    *(.sdata.*)
+    *(.gnu.linkonce.s.*)
+  }
+  _edata = .;
+  PROVIDE (edata = .);
+  __bss_start = .;
+  .sbss      :
+  {
+    PROVIDE (__sbss_start = .);
+    PROVIDE (___sbss_start = .);
+    *(.dynsbss)
+    *(.sbss)
+    *(.sbss.*)
+    *(.gnu.linkonce.sb.*)
+    *(.scommon)
+    PROVIDE (__sbss_end = .);
+    PROVIDE (___sbss_end = .);
+  }
+  .bss       :
+  {
+   *(.dynbss)
+   *(.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);
+  }
+  . = ALIGN(64 / 8);
+  _end = .;
+  PROVIDE (end = .);
+  /* 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 */
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+  .debug_loc      0 : { *(.debug_loc) }
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+  .debug_typenames 0 : { *(.debug_typenames) }
+  .debug_varnames  0 : { *(.debug_varnames) }
+  /* These must appear regardless of  .  */
+}