wut/rules/rpl.ld
2015-12-27 05:45:32 -08:00

126 lines
3.6 KiB
Plaintext

OUTPUT_FORMAT("elf32-powerpc")
OUTPUT_ARCH(powerpc:common)
ENTRY(_start)
MEMORY {
system (rwx) : ORIGIN = 0x01000000, LENGTH = 32M
code (rwx) : ORIGIN = 0x02000000, LENGTH = 224M
data (rw) : ORIGIN = 0x10000000, LENGTH = 800M
load (rwx) : ORIGIN = 0xC0000000, LENGTH = 128M
}
PHDRS {
hdr_text PT_LOAD FILEHDR PHDRS FLAGS(0x01 | 0x04);
hdr_data PT_LOAD FLAGS(0x02 | 0x04);
hdr_srodata PT_LOAD FLAGS(0x04);
hdr_sdata PT_LOAD FLAGS(0x02 | 0x04);
}
SECTIONS {
. = ORIGIN(code);
/* Standard code section */
.text ALIGN(32) : { *(.text .stub .text.*) } : hdr_text
/*
* Trampolines for each RPL function, have the same symbol name of
* than the function they should import.
*
* There will be 2 relocations in each trampoline pointing to the
* function stub inside the .data.rplFuncStubs, we can edit these
* relocation entries to use the RPL import during conversion to RPL.
*
* li r0, func_stub@lo -> .data.rplFuncStubs
* oris r0, func_stub@hi -> .data.rplFuncStubs
* mtctr r0
* bctr
*/
.rplTramp.text ALIGN(32) : {
*(.rplTramp.text)
*(SORT(.rplTramp.text.*))
}
/* System stuff is for our elf2rpl converter to go through */
. = ORIGIN(system);
/*
* Contains the name of RPLs, referenced by .lib.rplLibs
*/
.rodata.rplNames ALIGN(32) : { KEEP (*(.rodata.rplNames)) } : hdr_data
/*
* List of RPL libraries to import, in format:
* uint32_t nameAddress -> .rodata.rplNames
* uint32_t firstFuncEntry -> .data.rplFuncStubs
*/
.lib.rplLibs ALIGN(32) : { KEEP (*(.lib.rplLibs)) }
/*
* List of functions an RPL exports, in format:
* uint32_t trampAddress
*/
.data.rplFuncStubs ALIGN(32) : { KEEP (*(.data.rplFuncStubs)) }
.interp ALIGN(32) : { *(.interp) }
.hash ALIGN(32) : { *(.hash) }
.dynsym ALIGN(32) : { *(.dynsym) }
.dynstr ALIGN(32) : { *(.dynstr) }
.rela.dyn ALIGN(32) : { *(.rela.dyn) }
.rela.text ALIGN(32) : { *(.rela.text) }
.eh_frame ALIGN(32) : { *(.eh_frame) }
.dynamic ALIGN(32) : { *(.dynamic) }
.got ALIGN(32) : { *(.got) }
.comment ALIGN(32) : { *(.comment) }
.shstrtab ALIGN(32) : { *(.shstrtab) }
.symtab ALIGN(32) : { *(.symtab) }
.strtab ALIGN(32) : { *(.strtab) }
.rel.dyn :
{
*(.rel.init)
*(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)
*(.rel.fini)
*(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)
*(.rel.data.rel.ro*)
*(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
*(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*)
*(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*)
*(.rel.ctors)
*(.rel.dtors)
*(.rel.got)
*(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*)
*(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*)
*(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*)
*(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*)
*(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)
}
.rela.dyn :
{
*(.rela.init)
*(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
*(.rela.fini)
*(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
*(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
*(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
*(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
*(.rela.ctors)
*(.rela.dtors)
*(.rela.got)
*(.rela.toc)
*(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*)
*(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*)
*(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*)
*(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*)
*(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
}
/* Standard data sections */
. = ORIGIN(data);
.rodata ALIGN(256) : { *(.rodata .rodata.*) } : hdr_srodata
.data ALIGN(256) : { *(.data) } : hdr_sdata
.bss ALIGN(256) : { *(.sbss) *(.bss) }
}