cleaned up ld scripts

git-svn-id: http://moon:8086/svn/mips@114 a8ebac50-d88d-4704-bea3-6648445a41b3
This commit is contained in:
2017-01-21 13:38:49 +00:00
parent 7a49d1e400
commit d1f91b7282
2 changed files with 86 additions and 336 deletions
+8 -135
View File
@@ -33,94 +33,22 @@ SECTIONS
} >ram } >ram
.text : .text :
{ {
_ftext = . ; *(.text)
*(.text .stub .text.* .gnu.linkonce.t.*)
*(.gnu.warning)
*(.mips16.fn.*) *(.mips16.call.*)
} >ram } >ram
.fini : .fini :
{ {
KEEP (*(.fini)) KEEP (*(.fini))
} >ram } >ram
PROVIDE (__etext = .); .rodata : { *(.rodata .rodata.*) } >ram
PROVIDE (_etext = .);
PROVIDE (etext = .);
.rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } >ram
.rodata1 : { *(.rodata1) } >ram .rodata1 : { *(.rodata1) } >ram
.sdata2 : .sdata2 :
{ {
*(.sdata2 .sdata2.* .gnu.linkonce.s2.*) *(.sdata2 .sdata2.*)
} >ram } >ram
.sbss2 : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) } >ram .sbss2 : { *(.sbss2 .sbss2.*) } >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 : .data :
{ {
_fdata = . ; *(.data .data.*)
*(.data .data.* .gnu.linkonce.d.*)
SORT(CONSTRUCTORS)
} >ram } >ram
.data1 : { *(.data1) } >ram .data1 : { *(.data1) } >ram
.got.plt : { *(.got.plt) } >ram .got.plt : { *(.got.plt) } >ram
@@ -132,23 +60,17 @@ SECTIONS
we can shorten the on-disk segment size. */ we can shorten the on-disk segment size. */
.sdata : .sdata :
{ {
*(.sdata .sdata.* .gnu.linkonce.s.*) *(.sdata .sdata.*)
} >ram } >ram
.lit8 : { *(.lit8) } >ram
.lit4 : { *(.lit4) } >ram
_edata = .; PROVIDE (edata = .);
__bss_start = .; __bss_start = .;
_fbss = .;
.sbss : .sbss :
{ {
*(.dynsbss) *(.sbss .sbss.*)
*(.sbss .sbss.* .gnu.linkonce.sb.*)
*(.scommon) *(.scommon)
} >ram } >ram
.bss : .bss :
{ {
*(.dynbss) *(.bss .bss.*)
*(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON) *(COMMON)
/* Align here to ensure that the .bss section occupies space up to /* Align here to ensure that the .bss section occupies space up to
_end. Align after .bss to ensure correct alignment even if the _end. Align after .bss to ensure correct alignment even if the
@@ -160,53 +82,4 @@ SECTIONS
. = ALIGN(32 / 8); . = ALIGN(32 / 8);
. = ALIGN(32 / 8); . = ALIGN(32 / 8);
_end = .; PROVIDE (end = .); _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) }
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/* 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) }
} }
+34 -157
View File
@@ -1,3 +1,12 @@
/* Specify the memory areas */
MEMORY
{
rom : ORIGIN = 0xBFC00000, LENGTH = 0x00002000 /* 8K */
ram : ORIGIN = 0x80000000, LENGTH = 0x04000000 /* 64M */
flash : ORIGIN = 0x00000000, LENGTH = 0x00800000 /* 8M */
io : ORIGIN = 0xA0000000, LENGTH = 0x00800000 /* 8M */
}
stack_ptr = 0x83FFEFF0; stack_ptr = 0x83FFEFF0;
STARTUP(startup.o) STARTUP(startup.o)
@@ -5,122 +14,44 @@ INPUT(kernel.o)
SECTIONS SECTIONS
{ {
/* Read-only sections, merged into text segment: */ .start :
PROVIDE (__executable_start = 0x80000000); . = 0x80000000;
.start __executable_start :
{ {
start = ALIGN(2); start = ALIGN(2);
entry = ALIGN(2); entry = ALIGN(2);
_entry = ALIGN(2); _entry = ALIGN(2);
__entry = ALIGN(2); __entry = ALIGN(2);
*(.start) *(.start)
} } >ram
/* Kernel text with low-level exception handler */
.exc_vector __executable_start + 0x080 : .exc_vector ORIGIN(ram) + 0x80 :
{ {
_exc_vect_start = .;
*(.exc_vect) *(.exc_vect)
_exc_vect_end = .; } >ram
}
.init : .init :
{ {
KEEP (*(.init)) KEEP (*(.init))
} =0 } >ram
.plt : { *(.plt) }
.text : .text :
{ {
_ftext = . ; *(.text)
*(.text .stub .text.* .gnu.linkonce.t.*) } >ram
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.mips16.fn.*) *(.mips16.call.*)
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} =0 } >ram
PROVIDE (__etext = .); .rodata : { *(.rodata .rodata.*) } >ram
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PROVIDE (etext = .);
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KEEP (*(.preinit_array))
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KEEP (*(SORT(.init_array.*)))
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{
/* gcc uses crtbegin.o to find the start of
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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 : .data :
{ {
_fdata = . ; *(.data .data.*)
*(.data .data.* .gnu.linkonce.d.*) } >ram
SORT(CONSTRUCTORS) .data1 : { *(.data1) } >ram
} .got.plt : { *(.got.plt) } >ram
.data1 : { *(.data1) }
.got.plt : { *(.got.plt) }
. = .; . = .;
_gp = ALIGN(16) + 0x7ff0; _gp = ALIGN(16) + 0x7ff0;
.got : { *(.got) } .got : { *(.got) }
@@ -129,23 +60,17 @@ SECTIONS
we can shorten the on-disk segment size. */ we can shorten the on-disk segment size. */
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*(.sdata .sdata.* .gnu.linkonce.s.*) *(.sdata .sdata.*)
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__bss_start = .; __bss_start = .;
_fbss = .;
.sbss : .sbss :
{ {
*(.dynsbss) *(.sbss .sbss.*)
*(.sbss .sbss.* .gnu.linkonce.sb.*)
*(.scommon) *(.scommon)
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.bss : .bss :
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_end. Align after .bss to ensure correct alignment even if the _end. Align after .bss to ensure correct alignment even if the
@@ -153,57 +78,9 @@ SECTIONS
FIXME: Why do we need it? When there is no .bss section, we don't FIXME: Why do we need it? When there is no .bss section, we don't
pad the .data section. */ pad the .data section. */
. = ALIGN(. != 0 ? 32 / 8 : 1); . = ALIGN(. != 0 ? 32 / 8 : 1);
} } >ram
. = ALIGN(32 / 8); . = ALIGN(32 / 8);
. = ALIGN(32 / 8); . = ALIGN(32 / 8);
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/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) }
} }