fixed dependencies/paths/etc. in arm9/makefile to get engine plugins building; changed makefile to not clean before building further engines when building all engines; fixed syntax of plugin.ld

svn-id: r50751

1 files changed, 237 insertions, 201 deletions

diff --git a/backends/platform/ds/arm9/source/plugin.ld b/backends/platform/ds/arm9/source/plugin.ld
index 65ba0496c7..0296dd571d 100644
--- a/backends/platform/ds/arm9/source/plugin.ld
+++ b/backends/platform/ds/arm9/source/plugin.ld
@@ -1,216 +1,252 @@
 OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
 OUTPUT_ARCH(arm)
+
 /* PHDRS specifies ELF Program Headers (or segments) to the plugin linker */
 PHDRS {
   plugin PT_LOAD ; /* Specifies that the plugin segment should be loaded from file */
 }
+
+MEMORY {
+	rom	: ORIGIN = 0x08000000, LENGTH = 32M
+	ewram	: ORIGIN = 0x02000000, LENGTH = 4M - 4k
+	dtcm	: ORIGIN = 0x0b000000, LENGTH = 16K
+	vectors	: ORIGIN = 0x01000000, LENGTH = 256
+	itcm	: ORIGIN = 0x01000100, LENGTH = 32K - 256
+}
+
+__vectors_start	=	ORIGIN(vectors);
+__itcm_start	=	ORIGIN(itcm);
+__ewram_end	=	ORIGIN(ewram) + LENGTH(ewram);
+__eheap_end	=	ORIGIN(ewram) + LENGTH(ewram);
+__dtcm_start	=	ORIGIN(dtcm);
+__dtcm_top	=	ORIGIN(dtcm) + LENGTH(dtcm);
+__irq_flags	=	__dtcm_top - 0x08;
+__irq_vector	=	__dtcm_top - 0x04;
+
+__sp_svc	=	__dtcm_top - 0x100;
+__sp_irq	=	__sp_svc - 0x100;
+__sp_usr	=	__sp_irq - 0x100;
+
 SECTIONS
 {
-  /* Read-only sections, merged into text segment: */
-  . = 0;
-  .interp         : { *(.interp) } : plugin 	/*The ": plugin" tells the linker to assign this and
-  	             								  the following sections to the "plugin" segment*/
-  .note.gnu.build-id : { *(.note.gnu.build-id) }
-  .hash           : { *(.hash) }
-  .gnu.hash       : { *(.gnu.hash) }
-  .dynsym         : { *(.dynsym) }
-  .dynstr         : { *(.dynstr) }
-  .gnu.version    : { *(.gnu.version) }
-  .gnu.version_d  : { *(.gnu.version_d) }
-  .gnu.version_r  : { *(.gnu.version_r) }
-  .rel.dyn        :
-    {
-      *(.rel.init)
-      *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)
-      *(.rel.fini)
-      *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)
-      *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*)
-      *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
-      *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*)
-      *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*)
-      *(.rel.ctors)
-      *(.rel.dtors)
-      *(.rel.got)
-      *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)
-      PROVIDE_HIDDEN (__rel_iplt_start = .);
-      *(.rel.iplt)
-      PROVIDE_HIDDEN (__rel_iplt_end = .);
-      PROVIDE_HIDDEN (__rela_iplt_start = .);
-      PROVIDE_HIDDEN (__rela_iplt_end = .);
-    }
-  .rela.dyn       :
-    {
-      *(.rela.init)
-      *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
-      *(.rela.fini)
-      *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
-      *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
-      *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
-      *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
-      *(.rela.ctors)
-      *(.rela.dtors)
-      *(.rela.got)
-      *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
-      PROVIDE_HIDDEN (__rel_iplt_start = .);
-      PROVIDE_HIDDEN (__rel_iplt_end = .);
-      PROVIDE_HIDDEN (__rela_iplt_start = .);
-      *(.rela.iplt)
-      PROVIDE_HIDDEN (__rela_iplt_end = .);
-    }
-  .rel.plt        :
-    {
-      *(.rel.plt)
-    }
-  .rela.plt       :
-    {
-      *(.rela.plt)
-    }
-  .init           :
-  {
-    KEEP (*(.init))
-  } =0
-  .plt            : { *(.plt) }
-  .iplt           : { *(.iplt) }
-  .text           :
-  {
-    *(.text.unlikely .text.*_unlikely)
-    *(.text .stub .text.* .gnu.linkonce.t.*)
-    /* .gnu.warning sections are handled specially by elf32.em.  */
-    *(.gnu.warning)
-    *(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx)
-  } =0
-  .fini           :
-  {
-    KEEP (*(.fini))
-  } =0
-  PROVIDE (__etext = .);
-  PROVIDE (_etext = .);
-  PROVIDE (etext = .);
-  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
-  .rodata1        : { *(.rodata1) }
-  .ARM.extab   : { *(.ARM.extab* .gnu.linkonce.armextab.*) }
+	.init	:
+	{
+		__text_start = . ;
+		KEEP (*(.init))
+		. = ALIGN(4);  /* REQUIRED. LD is flaky without it. */
+	} >ewram :plugin = 0xff
+
+	.plt : { *(.plt) } >ewram = 0xff
+
+	.text :   /* ALIGN (4): */
+	{
+		*(EXCLUDE_FILE (*.itcm*) .text)
+
+		*(.text.*)
+		*(.stub)
+		/* .gnu.warning sections are handled specially by elf32.em.  */
+		*(.gnu.warning)
+		*(.gnu.linkonce.t*)
+		*(.glue_7)
+		*(.glue_7t)
+		. = ALIGN(4);  /* REQUIRED. LD is flaky without it. */
+	} >ewram = 0xff
+
+	.fini           :
+	{
+		KEEP (*(.fini))
+	} >ewram =0xff
+
+	__text_end = . ;
+
+	.rodata :
+	{
+		*(.rodata)
+		*all.rodata*(*)
+		*(.roda)
+		*(.rodata.*)
+		*(.gnu.linkonce.r*)
+		SORT(CONSTRUCTORS)
+		. = ALIGN(4);   /* REQUIRED. LD is flaky without it. */
+	} >ewram = 0xff
+
+  .ARM.extab   : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >ewram
    __exidx_start = .;
-  .ARM.exidx   : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) }
+  .ARM.exidx   : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) } >ewram
    __exidx_end = .;
-  .eh_frame_hdr : { *(.eh_frame_hdr) }
-  .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
-  .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
-  /* Adjust the address for the data segment.  We want to adjust up to
-     the same address within the page on the next page up.  */
-  . = ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1));
-  /* Exception handling  */
-  .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
-  .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
-  /* Thread Local Storage sections  */
-  .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
-  .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
-  .preinit_array     :
-  {
-    PROVIDE_HIDDEN (__preinit_array_start = .);
-    KEEP (*(.preinit_array))
-    PROVIDE_HIDDEN (__preinit_array_end = .);
-  }
+  /* Ensure the __preinit_array_start label is properly aligned.  We
+     could instead move the label definition inside the section, but
+     the linker would then create the section even if it turns out to
+     be empty, which isn't pretty.  */
+  . = ALIGN(32 / 8);
+  PROVIDE (__preinit_array_start = .);
+  .preinit_array     : { KEEP (*(.preinit_array)) } >ewram = 0xff
+  PROVIDE (__preinit_array_end = .);
+  PROVIDE (__init_array_start = .);
   .init_array     :
   {
-     PROVIDE_HIDDEN (__init_array_start = .);
-     KEEP (*(SORT(.init_array.*)))
-     KEEP (*(.init_array))
-     PROVIDE_HIDDEN (__init_array_end = .);
-  }
+       KEEP (*(SORT(.init_array.*)))
+       KEEP (*(.init_array))
+  } >ewram = 0xff
+  PROVIDE (__init_array_end = .);
+  PROVIDE (__fini_array_start = .);
   .fini_array     :
   {
-    PROVIDE_HIDDEN (__fini_array_start = .);
-    KEEP (*(.fini_array))
-    KEEP (*(SORT(.fini_array.*)))
-    PROVIDE_HIDDEN (__fini_array_end = .);
-  }
-  .ctors          :
-  {
-    ___plugin_ctors = .;
-    KEEP (*(SORT(.ctors.*)))
-    KEEP (*(.ctors))
-    ___plugin_ctors_end = .;
-  }
-  .dtors          :
-  {
-    ___plugin_dtors = .;
-    KEEP (*(SORT(.dtors.*)))
-    KEEP (*(.dtors))
-    ___plugin_dtors_end = .;
-  }
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-  .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
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-  .got            : { *(.got.plt) *(.igot.plt) *(.got) *(.igot) }
-  .data           :
-  {
-    __data_start = . ;
-    *(.data .data.* .gnu.linkonce.d.*)
-    SORT(CONSTRUCTORS)
-  }
-  .data1          : { *(.data1) }
-  _edata = .; PROVIDE (edata = .);
-  __bss_start = .;
-  __bss_start__ = .;
-  .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.
-      FIXME: Why do we need it? When there is no .bss section, we don't
-      pad the .data section.  */
-   . = ALIGN(. != 0 ? 32 / 8 : 1);
-  }
-  _bss_end__ = . ; __bss_end__ = . ;
-  . = ALIGN(32 / 8);
-  . = ALIGN(32 / 8);
-  __end__ = . ;
-  _end = .; PROVIDE (end = .);
-  /* Stabs debugging sections.  */
-  .stab          0 : { *(.stab) }
-  .stabstr       0 : { *(.stabstr) }
-  .stab.excl     0 : { *(.stab.excl) }
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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.  */
-  /* 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 */
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-  .debug_funcnames 0 : { *(.debug_funcnames) }
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-  /* DWARF 3 */
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-  .debug_ranges   0 : { *(.debug_ranges) }
-    .stack         0x80000 :
-  {
-    _stack = .;
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-  .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }
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+       KEEP (*(.fini_array))
+       KEEP (*(SORT(.fini_array.*)))
+  } >ewram = 0xff
+  PROVIDE (__fini_array_end = .);
+
+	.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.  */
+		___plugin_ctors = .;
+		KEEP (*(SORT(.ctors.*)))
+		KEEP (*(.ctors))
+		. = ALIGN(4);   /* REQUIRED. LD is flaky without it. */
+		___plugin_ctors_end = .;
+	} >ewram = 0xff
+
+	.dtors :
+	{
+		___plugin_dtors = .;
+		KEEP (*(SORT(.dtors.*)))
+		KEEP (*(.dtors))
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+
+	.eh_frame :
+	{
+		KEEP (*(.eh_frame))
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+	.got            : { *(.got.plt) *(.got) *(.rel.got) } >ewram = 0
+
+	.ewram ALIGN(4) : 
+	{
+		__ewram_start = ABSOLUTE(.) ;
+		*(.ewram)
+		*ewram.*(.text)
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+
+
+	.data ALIGN(4) :
+	{
+		__data_start = ABSOLUTE(.);
+		*(.data)
+		*(.data.*)
+		*(.gnu.linkonce.d*)
+		CONSTRUCTORS
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+		__data_end = ABSOLUTE(.) ;
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+
+
+	__dtcm_lma = . ;
+	__bss_vma = . ;
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+	.dtcm __dtcm_start : AT (__dtcm_lma)
+	{
+		*(.dtcm)
+		*(.dtcm.*)
+		. = ALIGN(4);
+		__dtcm_end = ABSOLUTE(.);
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+
+
+	__itcm_lma = __dtcm_lma + SIZEOF(.dtcm);
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+	.itcm __itcm_start : AT (__itcm_lma)
+	{
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+		*itcm.*(.text)
+		. = ALIGN(4);
+		__itcm_end = ABSOLUTE(.);
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+	
+	__vectors_lma = __itcm_lma + SIZEOF(.itcm);
+
+	.vectors __vectors_start : AT (__vectors_lma)
+	{
+		*(.vectors)
+		*vectors.*(.text)
+		. = ALIGN(4);
+		__vectors_end = ABSOLUTE(.);
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+		__sbss_start__ = ABSOLUTE(.);
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+		__sbss_end = ABSOLUTE(.);
+	} >dtcm 
+
+	.bss __bss_vma (NOLOAD): 
+	{
+		__bss_start = ABSOLUTE(.);
+		__bss_start__ = ABSOLUTE(.);
+		*(.dynbss)
+		*(.gnu.linkonce.b*)
+		*(.bss*)
+		*(COMMON)
+		. = ALIGN(4);    /* REQUIRED. LD is flaky without it. */
+		__bss_end = ABSOLUTE(.) ;
+		__bss_end__ = __bss_end ;
+	} AT>ewram 
+
+
+	_end = __bss_end__ ;
+	__end__ = __bss_end__ ;
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+	.comment 0 : { *(.comment) }
+	/*	DWARF debug sections.
+		Symbols in the DWARF debugging sections are relative to the beginning
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+	/* DWARF 1 */
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+	.line           0 : { *(.line) }
+	/* GNU DWARF 1 extensions */
+	.debug_srcinfo  0 : { *(.debug_srcinfo) }
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+	/* DWARF 1.1 and DWARF 2 */
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+	.debug_pubnames 0 : { *(.debug_pubnames) }
+	/* DWARF 2 */
+	.debug_info     0 : { *(.debug_info) }
+	.debug_abbrev   0 : { *(.debug_abbrev) }
+	.debug_line     0 : { *(.debug_line) }
+	.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) }
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+	.stack 0x80000 : { _stack = .; *(.stack) }
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 }