9c2e764253
* scripttempl/xstormy16.sc: Don't allocate extra space for the stack. In libgloss/ChangeLog: * xstormy16/Makefile.in (SIM_OBJS): Remove sbrk.o, add sim_malloc_start.o. * xstormy16/eva_app.ld: Add __malloc_start. * xstormy16/sbrk.c: Remove. * xstormy16/sim_malloc_start.s: New file. * xstormy16/sim_high.ld: Make the stack start immediately at the end of the program. In newlib/ChangeLog: * configure.host (xstormy16): Don't use the generic malloc. * libc/machine/xstormy16/Makefile.am: Build tiny-malloc. * libc/machine/xstormy16/Makefile.in: Regenerate. * libc/machine/xstormy16/mallocr.c: New file. * libc/machine/xstormy16/tiny-malloc.c: New file.
132 lines
4.0 KiB
Plaintext
132 lines
4.0 KiB
Plaintext
/* A modified version of the basic linker script, for testing purposes,
|
|
which puts all code above 0x10000. */
|
|
OUTPUT_FORMAT("elf32-xstormy16", "elf32-xstormy16",
|
|
"elf32-xstormy16")
|
|
OUTPUT_ARCH(xstormy16)
|
|
ENTRY(_start)
|
|
SEARCH_DIR(/es/scratch/geoffk/objs/mainline-sX/H-i686-pc-linux-gnulibc2.2/xstormy16-elf/lib);
|
|
/* There are two memory regions we care about, one from 0 through 0x7F00
|
|
that is RAM and one from 0x8000 up which is ROM. */
|
|
MEMORY
|
|
{
|
|
RAM (w) : ORIGIN = 0, LENGTH = 0x7F00
|
|
LOROM (!w) : ORIGIN = 0x8000, LENGTH = 0x8000
|
|
HIROM (!w) : ORIGIN = 0x10000, LENGTH = 0xFF0000
|
|
}
|
|
SECTIONS
|
|
{
|
|
.data :
|
|
{
|
|
*(.data)
|
|
*(.data.*)
|
|
*(.gnu.linkonce.d.*)
|
|
SORT(CONSTRUCTORS)
|
|
} > RAM
|
|
_edata = .;
|
|
PROVIDE (edata = .);
|
|
__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. */
|
|
. = ALIGN(2);
|
|
} > RAM
|
|
. = ALIGN(2);
|
|
__stack = .;
|
|
_end = .;
|
|
PROVIDE (end = .);
|
|
/* Read-only sections in ROM. */
|
|
.int_vec : { *(.int_vec) } > LOROM
|
|
.rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) } > LOROM
|
|
.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. */
|
|
KEEP (*crtbegin.o(.ctors))
|
|
/* We don't want to include the .ctor section from
|
|
from the crtend.o file until after the sorted ctors.
|
|
The .ctor section from the crtend file contains the
|
|
end of ctors marker and it must be last */
|
|
KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors))
|
|
KEEP (*(SORT(.ctors.*)))
|
|
KEEP (*(.ctors))
|
|
} > LOROM
|
|
.dtors :
|
|
{
|
|
KEEP (*crtbegin.o(.dtors))
|
|
KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors))
|
|
KEEP (*(SORT(.dtors.*)))
|
|
KEEP (*(.dtors))
|
|
} > LOROM
|
|
.eh_frame : { KEEP (*(.eh_frame)) } > LOROM
|
|
.gcc_except_table : { *(.gcc_except_table) } > LOROM
|
|
.plt : { *(.plt) } > LOROM
|
|
.text :
|
|
{
|
|
*(.text)
|
|
*(.text.*)
|
|
*(.stub)
|
|
/* .gnu.warning sections are handled specially by elf32.em. */
|
|
*(.gnu.warning)
|
|
*(.gnu.linkonce.t.*)
|
|
} > HIROM =0
|
|
.init :
|
|
{
|
|
KEEP (*(.init))
|
|
} > HIROM =0
|
|
.fini :
|
|
{
|
|
KEEP (*(.fini))
|
|
} > HIROM =0
|
|
PROVIDE (__etext = .);
|
|
PROVIDE (_etext = .);
|
|
PROVIDE (etext = .);
|
|
/* 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) }
|
|
.debug_varnames 0 : { *(.debug_varnames) }
|
|
/* These must appear regardless of . */
|
|
}
|