1*d2201f2fSdrahnTEMPLATE_NAME=elf32 2*d2201f2fSdrahnGENERATE_SHLIB_SCRIPT=yes 3*d2201f2fSdrahnELFSIZE=64 4*d2201f2fSdrahnSCRIPT_NAME=elf 5*d2201f2fSdrahnOUTPUT_FORMAT="elf64-mmix" 6*d2201f2fSdrahnENTRY=_start. 7*d2201f2fSdrahn 8*d2201f2fSdrahn# Default to 0 as mmixal does. 9*d2201f2fSdrahnTEXT_START_ADDR='DEFINED (__.MMIX.start..text) ? __.MMIX.start..text : 0' 10*d2201f2fSdrahn# Don't add SIZEOF_HEADERS. 11*d2201f2fSdrahn# Don't set EMBEDDED, that would be misleading; it's not that kind of system. 12*d2201f2fSdrahnTEXT_BASE_ADDRESS=$TEXT_START_ADDR 13*d2201f2fSdrahnDATA_ADDR='DEFINED (__.MMIX.start..data) ? __.MMIX.start..data : 0x2000000000000000' 14*d2201f2fSdrahn 15*d2201f2fSdrahn# Setting this anywhere near the quite reasonable value of 0x10000 16*d2201f2fSdrahn# causes the binary to bloat to reach page alignment between segments. 17*d2201f2fSdrahn# Let's just have a 256-byte default page alignment. Having some 18*d2201f2fSdrahn# alignment at all gives a warm feeling but not much more. 19*d2201f2fSdrahnMAXPAGESIZE=256 20*d2201f2fSdrahnARCH=mmix 21*d2201f2fSdrahnMACHINE= 22*d2201f2fSdrahnCOMPILE_IN=yes 23*d2201f2fSdrahnEXTRA_EM_FILE=mmixelf 24*d2201f2fSdrahn 25*d2201f2fSdrahn# The existence of a symbol __start (or _start) should overrule Main, so 26*d2201f2fSdrahn# it can be a user symbol without the associated mmixal magic. We 27*d2201f2fSdrahn# also want to provide Main as a synonym for _start, if Main wasn't 28*d2201f2fSdrahn# defined but is referred to, and _start was defined. 29*d2201f2fSdrahn# 30*d2201f2fSdrahn# The reason we use a symbol "_start." as a mediator is to avoid 31*d2201f2fSdrahn# causing ld to force the type of _start to object rather than no 32*d2201f2fSdrahn# type, which confuses disassembly; we also make it alphanumerically 33*d2201f2fSdrahn# a successor of _start for similar reasons. Perhaps it's a linker 34*d2201f2fSdrahn# bug that linker-defined symbols set the symbol-type. 35*d2201f2fSdrahn# 36*d2201f2fSdrahn# Note that we smuggle this into OTHER_TEXT_SECTIONS (at the end 37*d2201f2fSdrahn# of .text) rather than TEXT_START_SYMBOLS. This is necessary, as 38*d2201f2fSdrahn# DEFINED wouldn't find the symbol if it was at the top; presumably 39*d2201f2fSdrahn# before the definition, if the definition is not in the first file. 40*d2201f2fSdrahn# FIXME: Arguably a linker bug. 41*d2201f2fSdrahnOTHER_TEXT_SECTIONS=' 42*d2201f2fSdrahn _start. = (DEFINED (_start) ? _start 43*d2201f2fSdrahn : (DEFINED (Main) ? Main : (DEFINED (.text) ? .text : 0))); 44*d2201f2fSdrahn PROVIDE (Main = DEFINED (Main) ? Main : (DEFINED (_start) ? _start : _start.)); 45*d2201f2fSdrahn' 46*d2201f2fSdrahn 47*d2201f2fSdrahnOTHER_SECTIONS=' 48*d2201f2fSdrahn .MMIX.reg_contents : 49*d2201f2fSdrahn { 50*d2201f2fSdrahn /* Note that this section always has a fixed VMA - that of its 51*d2201f2fSdrahn first register * 8. */ 52*d2201f2fSdrahn *(.MMIX.reg_contents.linker_allocated); 53*d2201f2fSdrahn *(.MMIX.reg_contents); 54*d2201f2fSdrahn } 55*d2201f2fSdrahn' 56*d2201f2fSdrahn 57*d2201f2fSdrahn# FIXME: Also bit by the PROVIDE bug? If not, this could be 58*d2201f2fSdrahn# EXECUTABLE_SYMBOLS. 59*d2201f2fSdrahn# By default, put the high end of the stack where the register stack 60*d2201f2fSdrahn# begins. They grow in opposite directions. */ 61*d2201f2fSdrahnOTHER_END_SYMBOLS="PROVIDE (__Stack_start = 0x6000000000000000);" 62