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[e90b2f]: src / gc / mips_sgi_mach_dep.s Maximize Restore History

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mips_sgi_mach_dep.s    47 lines (44 with data), 1.3 kB

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#include <sys/regdef.h>
#include <sys/asm.h>
/* This file must be preprocessed. But the SGI assembler always does */
/* that. Furthermore, a generic preprocessor won't do, since some of */
/* the SGI-supplied include files rely on behavior of the MIPS */
/* assembler. Hence we treat and name this file as though it required */
/* no preprocessing. */
# define call_push(x) move $4,x; jal GC_push_one
.option pic2
.text
/* Mark from machine registers that are saved by C compiler */
# define FRAMESZ 32
# define RAOFF FRAMESZ-SZREG
# define GPOFF FRAMESZ-(2*SZREG)
NESTED(GC_push_regs, FRAMESZ, ra)
.mask 0x80000000,-SZREG # inform debugger of saved ra loc
move t0,gp
SETUP_GPX(t8)
PTR_SUBU sp,FRAMESZ
# ifdef SETUP_GP64
SETUP_GP64(GPOFF, GC_push_regs)
# endif
SAVE_GP(GPOFF)
REG_S ra,RAOFF(sp)
# if (_MIPS_SIM == _MIPS_SIM_ABI32)
call_push($2)
call_push($3)
# endif
call_push($16)
call_push($17)
call_push($18)
call_push($19)
call_push($20)
call_push($21)
call_push($22)
call_push($23)
call_push($30)
REG_L ra,RAOFF(sp)
# ifdef RESTORE_GP64
RESTORE_GP64
# endif
PTR_ADDU sp,FRAMESZ
j ra
.end GC_push_regs