* README: Remove claim that MEMORY is not supported.

        * expression.cc (script_exp_function_origin)
        (script_exp_function_length): Move from here to ...
        * script.cc: ... here.
        (script_set_section_region, script_add_memory)
        (script_parse_memory_attr, script_include_directive): New
        functions.
        * script-sections.cc
        (class Memory_region): New class.
        (class Output_section_definition): Add set_memory_region,
        set_section_vma, set_section_lma and get_section_name methods.
        (class Script_Sections): Add add_memory_region,
        find_memory_region, find_memory_region_origin,
        find_memory_region_length and set_memory_region methods.
        Have set_section_addresses method walk the list of set memory
        regions.
        Extend the print methos to display memory regions.
        * script-sections.h: Add prototypes for new methods.
        Add enum for MEMORY region attributes.
        * yyscript.y: Add support for parsing MEMORY regions.
        * script-c.h: Add prototypes for new functions.
        * testsuite/Makefile.am: Add test of MEMORY region functionality.
        * testsuite/Makefile.in: Regenerate.
        * testsuite/memory_test.sh: New script.
        * testsuite/memory_test.s: New assembler source file.
        * testsuite/memory_test.t: New linker script.

1 files changed, 29 insertions, 0 deletions

diff --git a/gold/testsuite/memory_test.t b/gold/testsuite/memory_test.t
new file mode 100644
index 0000000000..7bcb877e52
--- /dev/null
+++ b/gold/testsuite/memory_test.t
@@ -0,0 +1,29 @@
+MEMORY
+{
+  region1        : ORIGIN = 0x1000, LENGTH = 0x1000 ,
+  region2 (r)    :    org = 0x2000, len    =    300
+  region3 (wx)   :      o = 0x4000, l      =      4
+  region4 (!r)   : o = 0x6000 + 60, len    = 0x30 * 0x6
+}
+
+SECTIONS
+{
+  .sec0 : { *(*.sec0) }
+  
+  .sec1 ORIGIN (region1) : AT(LENGTH (region2)) { *(*.sec1) }
+
+  fred = ORIGIN (region1) + LENGTH (region1) ;
+  
+  .sec2 : { *(*.sec2) } > region3 AT> region4
+
+  .sec3 0x5000 : { *(*.sec3) }
+
+  /* In theory we could put:
+
+     /DISCARD/ : { *(*) }
+
+     here as we do not need any other sections for this test.
+     In practice however doing so breaks GOLD as it relies upon
+     being able to create/find various other sections such as
+     .dynamic, .dynsym and .gnu.hash.  */
+}