[newlib-cygwin/main] arc: libgloss: Add a linker script common for all boards

[newlib-cygwin/main] arc: libgloss: Add a linker script common for all boards

[Jeff Johnston]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=74de7de5a9bea524dab0e5c787fba99d36ccbb2b

commit 74de7de5a9bea524dab0e5c787fba99d36ccbb2b
Author: Yuriy Kolerov <kolerov93@gmail.com>
Date:   Tue May 21 10:56:53 2024 +0100

    arc: libgloss: Add a linker script common for all boards
    
    Signed-off-by: Yuriy Kolerov <kolerov93@gmail.com>

Diff:
---
 libgloss/arc/arcv2elf-common.ld | 233 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 233 insertions(+)

diff --git a/libgloss/arc/arcv2elf-common.ld b/libgloss/arc/arcv2elf-common.ld
new file mode 100644
index 000000000..80663821d
--- /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) }
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+  .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
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+       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))
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+  .dtors          :
+  {
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+    KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
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+    KEEP (*(.dtors))
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+  /* We want the small data sections together, so single-instruction offsets
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+    __SDATA_BEGIN__ = . + 0x100;
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+  .sbss           :
+  {
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+    PROVIDE (___sbss_start = .);
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+    *(.bss .bss.* .gnu.linkonce.b.*)
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+    *(.noinit .noinit.* .gnu.linkonce.n.*)
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+   PROVIDE (__stack_top = (ORIGIN (data) + LENGTH (data) - 1) & -4);
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+  .comment 0 (INFO) : { *(.comment) }
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+  /* DWARF debug sections.
+     Symbols in the DWARF debugging sections are relative to the beginning
+     of the section so we begin them at 0.  */
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+}