Projet_SETI_RISC-V/riscv-gnu-toolchain/newlib/libgloss/sparc/erc32.ld
2023-03-06 14:48:14 +01:00

146 lines
3.2 KiB
Text

/*
*uncomment this if you want the linker to output srecords.
OUTPUT_FORMAT(srec)
*
*/
STARTUP(traps.o)
INPUT(sim-crt0.o)
OUTPUT_ARCH(sparc)
SEARCH_DIR(.)
__DYNAMIC = 0;
GROUP(-lc -lsim -lgcc)
/*
* The memory map looks like this:
* +--------------------+ <- low memory
* | .text |
* | _stext |
* | _etext |
* | ctor list | the ctor and dtor lists are for
* | dtor list | C++ support
* | _end_text |
* +--------------------+
* | .data | initialized data goes here
* | _sdata |
* | _edata |
* +--------------------+
* | .bss |
* | __bss_start | start of bss, cleared by crt0
* | _end | start of heap, used by sbrk()
* +--------------------+
* | heap space |
* | _ENDHEAP |
* | stack space |
* | __stack | top of stack
* +--------------------+ <- high memory
*/
/*
* User modifiable values:
*
* _CLOCK_SPEED in Mhz (used to program the counter/timers)
*
* _PROM_SIZE size of PROM (permissible values are 4K, 8K, 16K
* 32K, 64K, 128K, 256K, and 512K)
* _RAM_SIZE size of RAM (permissible values are 256K, 512K,
* 1MB, 2Mb, 4Mb, 8Mb, 16Mb, and 32Mb)
*
* These symbols are only used in assembler code, so they only need to
* be listed once. They should always be refered to without SYM().
*/
_CLOCK_SPEED = 10;
_PROM_SIZE = 4M;
_RAM_SIZE = 2M;
_RAM_START = 0x02020000;
_RAM_END = _RAM_START + _RAM_SIZE;
_STACK_SIZE = (16 * 1024);
_PROM_START = 0x00000000;
_PROM_END = _PROM_START + _PROM_SIZE;
/*
* Base address of the on-CPU peripherals
*/
_ERC32_MEC = 0x01f80000;
/*
* Setup the memory map for the SIS simulator.
* stack grows up towards low memory.
*/
/*
MEMORY
{
rom : ORIGIN = 0x00000000, LENGTH = 4M
ram (rwx) : ORIGIN = 0x02000000, LENGTH = 2M
}
*/
__stack = _RAM_START + _RAM_SIZE - 4 * 16;
__trap_stack = (_RAM_START + _RAM_SIZE - 4 * 16) - _STACK_SIZE;
/*
* All the symbols that might be accessed from C code need to be
* listed twice, once with an additional underscore. aout format needs
* and extra underscore, whereas coff & elf doesn't. This is to work
* with both.
*/
SECTIONS
{
.text 0x02000000 : {
stext = .;
_stext = .;
*(.text)
_etext = .;
__CTOR_LIST__ = .;
LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)
*(.ctors)
LONG(0)
__CTOR_END__ = .;
__DTOR_LIST__ = .;
LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)
*(.dtors)
LONG(0)
__DTOR_END__ = .;
*(.lit)
*(.shdata)
_endtext = .;
} > ram
.shbss SIZEOF(.text) + ADDR(.text) : {
*(.shbss)
}
.talias : { } > ram
.data : {
sdata = .;
_sdata = .;
*(.data)
edata = .;
_edata = .;
} > ram
.bss SIZEOF(.data) + ADDR(.data) :
{
sbss = . ;
_sbss = . ;
__bss_start = ALIGN(0x8);
*(.bss)
*(COMMON)
end = ALIGN(0x8);
_end = ALIGN(0x8);
__end = ALIGN(0x8);
ebss = .;
_ebss = .;
}
.mstack : { } > ram
.rstack : { } > ram
.stab 0 (NOLOAD) :
{
[ .stab ]
}
.stabstr 0 (NOLOAD) :
{
[ .stabstr ]
}
}