arc: libgloss: Add a linker script common for all boards

Signed-off-by: Yuriy Kolerov <kolerov93@gmail.com>

1 files changed, 233 insertions, 0 deletions

diff --git a/libgloss/arc/arcv2elf-common.ld b/libgloss/arc/arcv2elf-common.ld
new file mode 100644
index 0000000..8066382
--- /dev/null
+++ b/libgloss/arc/arcv2elf-common.ld
@@ -0,0 +1,233 @@
+/* Common linker script for ARCv2 targets */
+
+OUTPUT_FORMAT("elf32-littlearc", "elf32-bigarc", "elf32-littlearc")
+OUTPUT_ARCH(arc)
+ENTRY(__start)
+SEARCH_DIR(.);
+
+SECTIONS
+{
+ /* If the 'ivtbase_addr' symbol is defined, it indicates  the base address of
+    the interrupt vectors.  See description of INT_VECTOR_BASE register.  */
+ .ivt ORIGIN(startup) :
+ {
+    PROVIDE (__ivtbase_addr = .);
+   KEEP (*(.ivt));
+ }  > startup
+  /* Read-only sections, merged into text segment: */
+  .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.*) }
+  .text           :
+  {
+     . = ALIGN(4);
+    KEEP (*(SORT_NONE(.init)))
+    /* Start here after reset.  */
+     . = ALIGN(4);
+    KEEP (*crt0.o(.text.__startup))
+    /* Remaining code.  */
+     . = ALIGN(4);
+    *(.text .stub .text.* .gnu.linkonce.t.*)
+    /* .gnu.warning sections are handled specially by elf.em.  */
+    *(.gnu.warning)
+  }  > text =0
+  .fini           :
+  {
+    KEEP (*(SORT_NONE(.fini)))
+    PROVIDE (__etext = .);
+    PROVIDE (_etext = .);
+    PROVIDE (etext = .);
+  }  > text =0
+  .jcr   :
+  {
+    KEEP (*(.jcr))
+  } > text
+  .eh_frame   :
+  {
+    KEEP (*(.eh_frame))
+  } > text
+  .gcc_except_table   :
+  {
+    *(.gcc_except_table) *(.gcc_except_table.*)
+  } > text
+  .plt   :
+  {
+    *(.plt)
+  } > text
+  .jlitab   :
+  {
+    __JLI_TABLE__ = .;
+     jlitab*.o:(.jlitab*) *(.jlitab*)
+  } > text
+  .rodata   :
+  {
+    *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*)
+  } > text
+  .rodata1        : { *(.rodata1) } > text
+  /* Start of the data section image in ROM.  */
+  __data_image = .;
+  PROVIDE (__data_image = .);
+  .data	  :
+  {
+     PROVIDE (__data_start = .) ;
+    /* --gc-sections will delete empty .data. This leads to wrong start
+       addresses for subsequent sections because -Tdata= from the command
+       line will have no effect, see PR13697.  Thus, keep .data  */
+    KEEP (*(.data))
+    *(.data.* .gnu.linkonce.d.*)
+    SORT(CONSTRUCTORS)
+  }  > data
+  .got            : { *(.got.plt) *(.got) }  > data
+  .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))
+  }  > data
+  .dtors          :
+  {
+    KEEP (*crtbegin*.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*(.dtors))
+  }  > data
+  /* 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_BEGIN__ = . + 0x100;
+    *(.sdata .sdata.* .gnu.linkonce.s.*)
+    _edata  =  .;
+    PROVIDE (edata = .);
+  }  > sdata
+  .sdata2         : { *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) }  > sdata
+  .sbss           :
+  {
+    PROVIDE (__sbss_start = .);
+    PROVIDE (___sbss_start = .);
+    *(.dynsbss)
+    *(.sbss .sbss.* .gnu.linkonce.sb.*)
+    *(.scommon)
+    PROVIDE (__sbss_end = .);
+    PROVIDE (___sbss_end = .);
+  }  > sdata
+  .sbss2          : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }  > sdata
+  .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(32 / 8);
+   _end = .;
+   PROVIDE (end = .);
+  }  > data
+  /* Global data not cleared after reset.  */
+  .noinit  :
+  {
+    *(.noinit .noinit.* .gnu.linkonce.n.*)
+    . = ALIGN(32 / 8);
+     PROVIDE (__start_heap = .) ;
+  }  > data
+   PROVIDE (__stack_top = (ORIGIN (data) + LENGTH (data) - 1) & -4);
+   PROVIDE (__end_heap = ORIGIN (data) + LENGTH (data) - 1);
+  .note.gnu.build-id : { *(.note.gnu.build-id) }
+  /* 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 (INFO) : { *(.comment) }
+  .gnu.build.attributes : { *(.gnu.build.attributes .gnu.build.attributes.*) }
+  /* 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_line.* .debug_line_end) }
+  .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) }
+  /* DWARF 3.  */
+  .debug_pubtypes 0 : { *(.debug_pubtypes) }
+  .debug_ranges   0 : { *(.debug_ranges) }
+  /* DWARF 5.  */
+  .debug_addr     0 : { *(.debug_addr) }
+  .debug_line_str 0 : { *(.debug_line_str) }
+  .debug_loclists 0 : { *(.debug_loclists) }
+  .debug_macro    0 : { *(.debug_macro) }
+  .debug_names    0 : { *(.debug_names) }
+  .debug_rnglists 0 : { *(.debug_rnglists) }
+  .debug_str_offsets 0 : { *(.debug_str_offsets) }
+  .debug_sup      0 : { *(.debug_sup) }
+  /* ARC Extension Sections */
+  .arcextmap	  0 : { *(.arcextmap.*) }
+}