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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libbsp/] [m68k/] [ods68302/] [startup/] [linkcmds] - Blame information for rev 173

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/*
 * $Id: linkcmds,v 1.2 2001-09-27 12:00:23 chris Exp $
 *
 * MC68302 Linker command file
 *
 */
 
/*
 * Declare some sizes.
 */
_RamBase = DEFINED(_RamBase) ? _RamBase : 0x0;
_RamSize = DEFINED(_RamSize) ? _RamSize : 1M;
_HeapSize = DEFINED(_HeapSize) ? _HeapSize : 0x10000;
_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000;
 
/*
 * Declare on-board memory.
 */
MEMORY {
          ram : ORIGIN = 0x00000000, LENGTH = 1M
}
SECTIONS
{
        ram : {
                . = .;
        } >ram
 
        .vtable :
        {
                vtable_start = .;
                *(.vtable)
                evtable = .;
        } >ram
 
 
        /*
         * Text, data and bss segments
         */
        .text : {
                *(.text)
 
                /*
                 * C++ constructors/destructors
                 */
                *(.gnu.linkonce.t.*)
 
                /*
                 * Initialization and finalization code.
                 *
                 * Various files can provide initialization and finalization
                 * functions.  crtbegin.o and crtend.o are two instances. The
                 * body of these functions are in .init and .fini sections. We
                 * accumulate the bodies here, and prepend function prologues
                 * from crti.o and function epilogues from crtn.o. crti.o must
                 * be linked first; crtn.o must be linked last.  Because these
                 * are wildcards, it doesn't matter if the user does not
                 * actually link against crti.o and crtn.o; the linker won't
                 * look for a file to match a wildcard.  The wildcard also
                 * means that it doesn't matter which directory crti.o and
                 * crtn.o are in.
                 */
                PROVIDE (_init = .);
                *crti.o(.init)
                *(.init)
                *crtn.o(.init)
                PROVIDE (_fini = .);
                *crti.o(.fini)
                *(.fini)
                *crtn.o(.fini)
 
                /*
                 * C++ constructors/destructors
                 *
                 * gcc uses crtbegin.o to find the start of the constructors
                 * and destructors 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. The
                 * constructor and destructor list are terminated in
                 * crtend.o.  The same comments apply to it.
                 */
                . = ALIGN (16);
                *crtbegin.o(.ctors)
                *(.ctors)
                *crtend.o(.ctors)
                *crtbegin.o(.dtors)
                *(.dtors)
                *crtend.o(.dtors)
 
                /*
                 * Exception frame info
                 */
                . = ALIGN (16);
                *(.eh_frame)
 
                /*
                 * Read-only data
                 */
                . = ALIGN (16);
                _rodata_start = . ;
                *(.rodata)
                *(.gnu.linkonce.r*)
 
                 . = ALIGN (16);
                PROVIDE (_etext = .);
        } >ram
        .data : {
                PROVIDE (_copy_start = .);
                *(.data)
                *(.gnu.linkonce.d*)
                *(.gcc_except_table)
                . = ALIGN (16);
                PROVIDE (_edata = .);
                PROVIDE (_copy_end = .);
        } >ram
        .bss : {
                _clear_start = .;
                *(.bss)
                *(COMMON)
                . = ALIGN (16);
                PROVIDE (end = .);
 
                . += _StackSize;
                . = ALIGN (16);
                _stack_init = .;
                _clear_end = .;
 
                _WorkspaceBase = .;
        } >ram
}
 
m302 = MC68302_BASE;
_VBR = ADDR(.vtable);           /* location of the VBR table (in RAM) */
 

Line No.	Rev	Author	Line
1	30	unneback	`/*`
2			`* $Id: linkcmds,v 1.2 2001-09-27 12:00:23 chris Exp $`
3			`*`
4			`* MC68302 Linker command file`
5			`*`
6			`*/`
7
8			`/*`
9			`* Declare some sizes.`
10			`*/`
11			`_RamBase = DEFINED(_RamBase) ? _RamBase : 0x0;`
12			`_RamSize = DEFINED(_RamSize) ? _RamSize : 1M;`
13			`_HeapSize = DEFINED(_HeapSize) ? _HeapSize : 0x10000;`
14			`_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000;`
15
16			`/*`
17			`* Declare on-board memory.`
18			`*/`
19			`MEMORY {`
20			`ram : ORIGIN = 0x00000000, LENGTH = 1M`
21			`}`
22			`SECTIONS`
23			`{`
24			`ram : {`
25			`. = .;`
26			`} >ram`
27
28			`.vtable :`
29			`{`
30			`vtable_start = .;`
31			`*(.vtable)`
32			`evtable = .;`
33			`} >ram`
34
35
36			`/*`
37			`* Text, data and bss segments`
38			`*/`
39			`.text : {`
40			`*(.text)`
41
42			`/*`
43			`* C++ constructors/destructors`
44			`*/`
45			`(.gnu.linkonce.t.)`
46
47			`/*`
48			`* Initialization and finalization code.`
49			`*`
50			`* Various files can provide initialization and finalization`
51			`* functions. crtbegin.o and crtend.o are two instances. The`
52			`* body of these functions are in .init and .fini sections. We`
53			`* accumulate the bodies here, and prepend function prologues`
54			`* from crti.o and function epilogues from crtn.o. crti.o must`
55			`* be linked first; crtn.o must be linked last. Because these`
56			`* are wildcards, it doesn't matter if the user does not`
57			`* actually link against crti.o and crtn.o; the linker won't`
58			`* look for a file to match a wildcard. The wildcard also`
59			`* means that it doesn't matter which directory crti.o and`
60			`* crtn.o are in.`
61			`*/`
62			`PROVIDE (_init = .);`
63			`*crti.o(.init)`
64			`*(.init)`
65			`*crtn.o(.init)`
66			`PROVIDE (_fini = .);`
67			`*crti.o(.fini)`
68			`*(.fini)`
69			`*crtn.o(.fini)`
70
71			`/*`
72			`* C++ constructors/destructors`
73			`*`
74			`* gcc uses crtbegin.o to find the start of the constructors`
75			`* and destructors so we make sure it is first. Because this`
76			`* is a wildcard, it doesn't matter if the user does not`
77			`* actually link against crtbegin.o; the linker won't look for`
78			`* a file to match a wildcard. The wildcard also means that`
79			`* it doesn't matter which directory crtbegin.o is in. The`
80			`* constructor and destructor list are terminated in`
81			`* crtend.o. The same comments apply to it.`
82			`*/`
83			`. = ALIGN (16);`
84			`*crtbegin.o(.ctors)`
85			`*(.ctors)`
86			`*crtend.o(.ctors)`
87			`*crtbegin.o(.dtors)`
88			`*(.dtors)`
89			`*crtend.o(.dtors)`
90
91			`/*`
92			`* Exception frame info`
93			`*/`
94			`. = ALIGN (16);`
95			`*(.eh_frame)`
96
97			`/*`
98			`* Read-only data`
99			`*/`
100			`. = ALIGN (16);`
101			`_rodata_start = . ;`
102			`*(.rodata)`
103			`(.gnu.linkonce.r)`
104
105			`. = ALIGN (16);`
106			`PROVIDE (_etext = .);`
107			`} >ram`
108			`.data : {`
109			`PROVIDE (_copy_start = .);`
110			`*(.data)`
111			`(.gnu.linkonce.d)`
112			`*(.gcc_except_table)`
113			`. = ALIGN (16);`
114			`PROVIDE (_edata = .);`
115			`PROVIDE (_copy_end = .);`
116			`} >ram`
117			`.bss : {`
118			`_clear_start = .;`
119			`*(.bss)`
120			`*(COMMON)`
121			`. = ALIGN (16);`
122			`PROVIDE (end = .);`
123
124			`. += _StackSize;`
125			`. = ALIGN (16);`
126			`_stack_init = .;`
127			`_clear_end = .;`
128
129			`_WorkspaceBase = .;`
130			`} >ram`
131			`}`
132
133			`m302 = MC68302_BASE;`
134			`_VBR = ADDR(.vtable); /* location of the VBR table (in RAM) */`
135

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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libbsp/] [m68k/] [ods68302/] [startup/] [linkcmds] - Blame information for rev 173