ATMEL AVR microcontroller support.

1 files changed, 149 insertions, 0 deletions

diff --git a/ld/scripttempl/elf32avr.sc b/ld/scripttempl/elf32avr.sc
new file mode 100644
index 0000000..51b6512
--- /dev/null
+++ b/ld/scripttempl/elf32avr.sc
@@ -0,0 +1,149 @@
+cat <<EOF
+OUTPUT_FORMAT("${OUTPUT_FORMAT}","${OUTPUT_FORMAT}","${OUTPUT_FORMAT}")
+OUTPUT_ARCH(${ARCH})
+
+MEMORY
+{
+  text   (rx)   : ORIGIN = 0,    LENGTH = $TEXT_LENGTH
+  data   (rw!x) : ORIGIN = 0x800060, LENGTH = $DATA_LENGTH
+  eeprom (rw!x) : ORIGIN = 0,    LENGTH = $EEPROM_LENGTH
+}
+
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  ${TEXT_DYNAMIC+${DYNAMIC}}
+  .hash        ${RELOCATING-0} : { *(.hash)		}
+  .dynsym      ${RELOCATING-0} : { *(.dynsym)		}
+  .dynstr      ${RELOCATING-0} : { *(.dynstr)		}
+  .gnu.version ${RELOCATING-0} : { *(.gnu.version)	}
+  .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d)	}
+  .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r)	}
+
+  .rel.init    ${RELOCATING-0} : { *(.rel.init)	}
+  .rela.init   ${RELOCATING-0} : { *(.rela.init)	}
+  .rel.text    ${RELOCATING-0} :
+    {
+      *(.rel.text)
+      ${RELOCATING+*(.rel.text.*)}
+      ${RELOCATING+*(.rel.gnu.linkonce.t*)}
+    }
+  .rela.text   ${RELOCATING-0} :
+    {
+      *(.rela.text)
+      ${RELOCATING+*(.rela.text.*)}
+      ${RELOCATING+*(.rela.gnu.linkonce.t*)}
+    }
+  .rel.fini    ${RELOCATING-0} : { *(.rel.fini)	}
+  .rela.fini   ${RELOCATING-0} : { *(.rela.fini)	}
+  .rel.rodata  ${RELOCATING-0} :
+    {
+      *(.rel.rodata)
+      ${RELOCATING+*(.rel.rodata.*)}
+      ${RELOCATING+*(.rel.gnu.linkonce.r*)}
+    }
+  .rela.rodata ${RELOCATING-0} :
+    {
+      *(.rela.rodata)
+      ${RELOCATING+*(.rela.rodata.*)}
+      ${RELOCATING+*(.rela.gnu.linkonce.r*)}
+    }
+  .rel.data    ${RELOCATING-0} :
+    {
+      *(.rel.data)
+      ${RELOCATING+*(.rel.data.*)}
+      ${RELOCATING+*(.rel.gnu.linkonce.d*)}
+    }
+  .rela.data   ${RELOCATING-0} :
+    {
+      *(.rela.data)
+      ${RELOCATING+*(.rela.data.*)}
+      ${RELOCATING+*(.rela.gnu.linkonce.d*)}
+    }
+  .rel.ctors   ${RELOCATING-0} : { *(.rel.ctors)	}
+  .rela.ctors  ${RELOCATING-0} : { *(.rela.ctors)	}
+  .rel.dtors   ${RELOCATING-0} : { *(.rel.dtors)	}
+  .rela.dtors  ${RELOCATING-0} : { *(.rela.dtors)	}
+  .rel.got     ${RELOCATING-0} : { *(.rel.got)		}
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+  .rel.bss     ${RELOCATING-0} : { *(.rel.bss)		}
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+  .rela.plt    ${RELOCATING-0} : { *(.rela.plt)		}
+
+  /* Internal text space or external memory */
+  .text :
+  {
+    *(.init)
+    *(.progmem.gcc*)
+    *(.progmem*)
+    ${RELOCATING+. = ALIGN(2);}
+    *(.text)
+    ${RELOCATING+. = ALIGN(2);}
+    *(.text.*)
+    ${RELOCATING+. = ALIGN(2);}
+    *(.fini)
+    ${RELOCATING+ _etext = . ; }
+  } ${RELOCATING+ > text}
+
+  .data	${RELOCATING-0} : ${RELOCATING+AT (ADDR (.text) + SIZEOF (.text))}
+  {
+    *(.data)
+    *(.gnu.linkonce.d*)
+    ${RELOCATING+. = ALIGN(2);}
+    ${RELOCATING+ _edata = . ; }
+  } ${RELOCATING+ > data}
+
+  .bss ${RELOCATING+ SIZEOF(.data) + ADDR(.data)} :
+       ${RELOCATING+AT (ADDR (.text) + SIZEOF (.text) + SIZEOF (.data))}
+  {
+    ${RELOCATING+ PROVIDE (__bss_start = .) ; }
+    *(.bss)
+    *(COMMON)
+    ${RELOCATING+ PROVIDE (__bss_end = .) ; }
+    ${RELOCATING+ _end = . ;  }
+  } ${RELOCATING+ > data}
+
+  .eeprom ${RELOCATING-0}:
+  {
+    *(.eeprom*)
+    ${RELOCATING+ __eeprom_end = . ; }
+  } ${RELOCATING+ > eeprom}
+
+  /* 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_str      0 : { *(.debug_str) }
+  .debug_loc      0 : { *(.debug_loc) }
+  .debug_macinfo  0 : { *(.debug_macinfo) }
+
+}
+EOF
+