added some comments to shorts-segment-manager, moved main engine linker script for ps2 into the plugins folder as it is only used when dynamic plugins are enabled

svn-id: r51447

1 files changed, 99 insertions, 0 deletions

diff --git a/backends/plugins/ps2/main_prog.ld b/backends/plugins/ps2/main_prog.ld
new file mode 100644
index 0000000000..9dba69c50e
--- /dev/null
+++ b/backends/plugins/ps2/main_prog.ld
@@ -0,0 +1,99 @@
+ENTRY(_start);
+
+SECTIONS {
+	.text 0x00100000: {
+		_ftext = . ;
+		*(.text)
+		*(.text.*)
+		*(.gnu.linkonce.t*)
+		KEEP(*(.init))
+		KEEP(*(.fini))
+		QUAD(0)
+	}
+
+	PROVIDE(_etext = .);
+	PROVIDE(etext = .);
+
+	.reginfo : { *(.reginfo) }
+
+	/* Global/static constructors and deconstructors. */
+	.ctors ALIGN(16): {
+		KEEP(*crtbegin*.o(.ctors))
+		KEEP(*(EXCLUDE_FILE(*crtend*.o) .ctors))
+		KEEP(*(SORT(.ctors.*)))
+		KEEP(*(.ctors))
+	}
+	.dtors ALIGN(16): {
+		KEEP(*crtbegin*.o(.dtors))
+		KEEP(*(EXCLUDE_FILE(*crtend*.o) .dtors))
+		KEEP(*(SORT(.dtors.*)))
+		KEEP(*(.dtors))
+	}
+
+	/* Static data.  */
+	.rodata ALIGN(128): {
+		*(.rodata)
+		*(.rodata.*)
+		*(.gnu.linkonce.r*)
+	}
+
+	.data ALIGN(128): {
+		_fdata = . ;
+		*(.data)
+		*(.data.*)
+		*(.gnu.linkonce.d*)
+		SORT(CONSTRUCTORS)
+	}
+
+	.rdata ALIGN(128): { *(.rdata) }
+	.gcc_except_table ALIGN(128): { *(.gcc_except_table) }
+
+	_gp = ALIGN(128) + 0x7ff0;
+	.lit4 ALIGN(128): { *(.lit4) }
+	.lit8 ALIGN(128): { *(.lit8) }
+
+	.sdata ALIGN(128): {
+		*(.sdata)
+		*(.sdata.*)
+		*(.gnu.linkonce.s*)
+	}
+
+	_edata = .;
+	PROVIDE(edata = .);
+
+	/* Uninitialized data.  */
+	.sbss ALIGN(128) : {
+		_fbss = . ;
+		*(.sbss)
+		*(.sbss.*)
+		*(.gnu.linkonce.sb*)
+		*(.scommon)
+	}
+
+	/*This "plugin hole" is so the plugins can all have global small data
+	  in the same place.*/
+	__plugin_hole_start = .;
+	. = _gp + 0x7ff0;
+	__plugin_hole_end = .;
+
+	COMMON		  :
+	{
+	 *(COMMON)
+	}
+	. = ALIGN(128);
+
+	.bss ALIGN(128) : {
+		*(.bss)
+		*(.bss.*)
+		*(.gnu.linkonce.b*)
+	}
+	_end_bss = .;
+
+	_end = . ;
+	PROVIDE(end = .);
+
+	/* Symbols needed by crt0.s.  */
+	PROVIDE(_heap_size = -1);
+	PROVIDE(_stack = -1);
+	PROVIDE(_stack_size = 128 * 1024);
+}