Continued abstraction of generic ELF-loader, splitting off MIPS-processor specific things into their own files and testing on the PS2

svn-id: r51345

3 files changed, 2 insertions, 228 deletions

diff --git a/backends/platform/ds/arm9/makefile b/backends/platform/ds/arm9/makefile
index 04f7ab9bf3..c5e4fe414c 100644
--- a/backends/platform/ds/arm9/makefile
+++ b/backends/platform/ds/arm9/makefile
@@ -278,8 +278,8 @@ endif
 EXECUTABLE = scummvm.elf
 PLUGIN_PREFIX =
 PLUGIN_SUFFIX = .plg
-PLUGIN_EXTRA_DEPS = $(portdir)/source/plugin.ld $(portdir)/source/plugin.syms $(EXECUTABLE)
-PLUGIN_LDFLAGS += -nostartfiles -Wl,-q,--target1-abs,--just-symbols,$(EXECUTABLE),-T$(portdir)/source/plugin.ld,--retain-symbols-file,$(portdir)/source/plugin.syms -lstdc++ -lc -mthumb-interwork -mno-fpu#-Wl,--gc-sections -mno-crt0 $(DEVKITPRO)/devkitARM/arm-eabi/lib/ds_arm9_crt0.o
+PLUGIN_EXTRA_DEPS = $(srcdir)/backends/plugins/ds/plugin.ld $(srcdir)/backends/plugins/plugin.syms $(EXECUTABLE)
+PLUGIN_LDFLAGS += -nostartfiles -Wl,-q,--target1-abs,--just-symbols,$(EXECUTABLE),-T$(srcdir)/backends/plugins/ds/plugin.ld,--retain-symbols-file,$(srcdir)/backends/plugins/plugin.syms -lstdc++ -lc -mthumb-interwork -mno-fpu#-Wl,--gc-sections -mno-crt0 $(DEVKITPRO)/devkitARM/arm-eabi/lib/ds_arm9_crt0.o
 MKDIR = mkdir -p
 RM = rm -f
 RM_REC = rm -rf
diff --git a/backends/platform/ds/arm9/source/plugin.ld b/backends/platform/ds/arm9/source/plugin.ld
deleted file mode 100644
index 2b2bca9745..0000000000
--- a/backends/platform/ds/arm9/source/plugin.ld
+++ /dev/null
@@ -1,218 +0,0 @@
-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 */
-}
-
-SECTIONS
-{
-  /* Read-only sections, merged into text segment: */
-  . = 0;
-  .interp         : { *(.interp) } : plugin
-  .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.*) }
-   __exidx_start = .;
-  .ARM.exidx   : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) }
-   __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 = .);
-  }
-  .init_array     :
-  {
-     PROVIDE_HIDDEN (__init_array_start = .);
-     KEEP (*(SORT(.init_array.*)))
-     KEEP (*(.init_array))
-     PROVIDE_HIDDEN (__init_array_end = .);
-  }
-  .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 = .;
-  }
-  .jcr            : { KEEP (*(.jcr)) }
-  .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
-  .dynamic        : { *(.dynamic) }
-  .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) }
-  .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 */
-  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
-  .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) }
-  .debug_typenames 0 : { *(.debug_typenames) }
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-  /* DWARF 3 */
-  .debug_pubtypes 0 : { *(.debug_pubtypes) }
-  .debug_ranges   0 : { *(.debug_ranges) }
-    .stack         0x80000 :
-  {
-    _stack = .;
-    *(.stack)
-  }
-  .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }
-  .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
-  /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
-}
diff --git a/backends/platform/ds/arm9/source/plugin.syms b/backends/platform/ds/arm9/source/plugin.syms
deleted file mode 100644
index 24ee1a19dc..0000000000
--- a/backends/platform/ds/arm9/source/plugin.syms
+++ /dev/null
@@ -1,8 +0,0 @@
-PLUGIN_getVersion
-PLUGIN_getType
-PLUGIN_getTypeVersion
-PLUGIN_getObject
-___plugin_ctors
-___plugin_ctors_end
-___plugin_dtors
-___plugin_dtors_end