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-cleaned up ld script

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git-svn-id: http://moon:8086/svn/mips@113 a8ebac50-d88d-4704-bea3-6648445a41b3
This commit is contained in:
jens
2017-01-21 13:07:49 +00:00
parent d1c1a04da7
commit 7a49d1e400
1 changed files with 204 additions and 201 deletions
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src/link/link.ld
+204 -201
View File
@@ -1,3 +1,12 @@
/* Specify the memory areas */
MEMORY
{
rom : ORIGIN = 0xBFC00000, LENGTH = 0x00002000 /* 8K */
ram : ORIGIN = 0x40000000, LENGTH = 0x04000000 /* 64M */
flash : ORIGIN = 0x00000000, LENGTH = 0x00800000 /* 8M */
io : ORIGIN = 0xA0000000, LENGTH = 0x00800000 /* 8M */
}
stack_ptr = 0x7FFFEFF0;
STARTUP(startup.o)
@@ -5,205 +14,199 @@ INPUT(kernel.o)
SECTIONS
{
/* Read-only sections, merged into text segment: */
PROVIDE (__executable_start = 0x40000000); . = 0x40000000;
.start __executable_start :
{
start = ALIGN(2);
entry = ALIGN(2);
_entry = ALIGN(2);
__entry = ALIGN(2);
*(.start)
}
/* Kernel text with low-level exception handler */
.exc_vector __executable_start + 0x080 :
{
_exc_vect_start = .;
*(.exc_vect)
_exc_vect_end = .;
}
.init :
{
KEEP (*(.init))
} =0
.plt : { *(.plt) }
.text :
{
_ftext = . ;
*(.text .stub .text.* .gnu.linkonce.t.*)
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.mips16.fn.*) *(.mips16.call.*)
} =0
.fini :
{
KEEP (*(.fini))
} =0
PROVIDE (__etext = .);
PROVIDE (_etext = .);
PROVIDE (etext = .);
.rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
.rodata1 : { *(.rodata1) }
.sdata2 :
{
*(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
}
.sbss2 : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
.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) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
/* 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 :
{
/* 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))
KEEP (*crtbegin?.o(.ctors))
/* We don't want to include the .ctor section 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 *crtend?.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
}
.dtors :
{
KEEP (*crtbegin.o(.dtors))
KEEP (*crtbegin?.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
}
.jcr : { KEEP (*(.jcr)) }
.data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
. = DATA_SEGMENT_RELRO_END (0, .);
.data :
{
_fdata = . ;
*(.data .data.* .gnu.linkonce.d.*)
SORT(CONSTRUCTORS)
}
.data1 : { *(.data1) }
.got.plt : { *(.got.plt) }
. = .;
_gp = ALIGN(16) + 0x7ff0;
.got : { *(.got) }
/* We want the small data sections together, so single-instruction offsets
can access them all, and initialized data all before uninitialized, so
we can shorten the on-disk segment size. */
.sdata :
{
*(.sdata .sdata.* .gnu.linkonce.s.*)
}
.lit8 : { *(.lit8) }
.lit4 : { *(.lit4) }
_edata = .; PROVIDE (edata = .);
__bss_start = .;
_fbss = .;
.sbss :
{
*(.dynsbss)
*(.sbss .sbss.* .gnu.linkonce.sb.*)
*(.scommon)
}
.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);
}
. = ALIGN(32 / 8);
. = ALIGN(32 / 8);
_end = .; PROVIDE (end = .);
. = DATA_SEGMENT_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) }
.debug_varnames 0 : { *(.debug_varnames) }
/* DWARF 3 */
.debug_pubtypes 0 : { *(.debug_pubtypes) }
.debug_ranges 0 : { *(.debug_ranges) }
.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
.gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
.gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
.mdebug.abi32 : { KEEP(*(.mdebug.abi32)) }
.mdebug.abiN32 : { KEEP(*(.mdebug.abiN32)) }
.mdebug.abi64 : { KEEP(*(.mdebug.abi64)) }
.mdebug.abiO64 : { KEEP(*(.mdebug.abiO64)) }
.mdebug.eabi32 : { KEEP(*(.mdebug.eabi32)) }
.mdebug.eabi64 : { KEEP(*(.mdebug.eabi64)) }
.gcc_compiled_long32 : { KEEP(*(.gcc_compiled_long32)) }
.gcc_compiled_long64 : { KEEP(*(.gcc_compiled_long64)) }
/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) }
.start :
{
start = ALIGN(2);
entry = ALIGN(2);
_entry = ALIGN(2);
__entry = ALIGN(2);
*(.start)
} >ram
.exc_vector ORIGIN(ram) + 0x80 :
{
*(.exc_vect)
} >ram
.init :
{
KEEP (*(.init))
} >ram
.text :
{
_ftext = . ;
*(.text .stub .text.* .gnu.linkonce.t.*)
*(.gnu.warning)
*(.mips16.fn.*) *(.mips16.call.*)
} >ram
.fini :
{
KEEP (*(.fini))
} >ram
PROVIDE (__etext = .);
PROVIDE (_etext = .);
PROVIDE (etext = .);
.rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } >ram
.rodata1 : { *(.rodata1) } >ram
.sdata2 :
{
*(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
} >ram
.sbss2 : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) } >ram
.eh_frame_hdr : { *(.eh_frame_hdr) } >ram
.eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } >ram
.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) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
/* Exception handling */
.eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } >ram
.gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) } >ram
/* Thread Local Storage sections */
.tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } >ram
.tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } >ram
.preinit_array :
{
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
} >ram
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
} >ram
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
PROVIDE_HIDDEN (__fini_array_end = .);
} >ram
.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))
KEEP (*crtbegin?.o(.ctors))
/* We don't want to include the .ctor section 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 *crtend?.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
} >ram
.dtors :
{
KEEP (*crtbegin.o(.dtors))
KEEP (*crtbegin?.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
} >ram
.jcr : { KEEP (*(.jcr)) } >ram
.data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) } >ram
. = DATA_SEGMENT_RELRO_END (0, .);
.data :
{
_fdata = . ;
*(.data .data.* .gnu.linkonce.d.*)
SORT(CONSTRUCTORS)
} >ram
.data1 : { *(.data1) } >ram
.got.plt : { *(.got.plt) } >ram
. = .;
_gp = ALIGN(16) + 0x7ff0;
.got : { *(.got) }
/* We want the small data sections together, so single-instruction offsets
can access them all, and initialized data all before uninitialized, so
we can shorten the on-disk segment size. */
.sdata :
{
*(.sdata .sdata.* .gnu.linkonce.s.*)
} >ram
.lit8 : { *(.lit8) } >ram
.lit4 : { *(.lit4) } >ram
_edata = .; PROVIDE (edata = .);
__bss_start = .;
_fbss = .;
.sbss :
{
*(.dynsbss)
*(.sbss .sbss.* .gnu.linkonce.sb.*)
*(.scommon)
} >ram
.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);
} >ram
. = ALIGN(32 / 8);
. = ALIGN(32 / 8);
_end = .; PROVIDE (end = .);
. = DATA_SEGMENT_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) }
.debug_varnames 0 : { *(.debug_varnames) }
/* DWARF 3 */
.debug_pubtypes 0 : { *(.debug_pubtypes) }
.debug_ranges 0 : { *(.debug_ranges) }
.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
.gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
.gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
.mdebug.abi32 : { KEEP(*(.mdebug.abi32)) }
.mdebug.abiN32 : { KEEP(*(.mdebug.abiN32)) }
.mdebug.abi64 : { KEEP(*(.mdebug.abi64)) }
.mdebug.abiO64 : { KEEP(*(.mdebug.abiO64)) }
.mdebug.eabi32 : { KEEP(*(.mdebug.eabi32)) }
.mdebug.eabi64 : { KEEP(*(.mdebug.eabi64)) }
.gcc_compiled_long32 : { KEEP(*(.gcc_compiled_long32)) }
.gcc_compiled_long64 : { KEEP(*(.gcc_compiled_long64)) }
/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) }
}