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authorIvan Maidanski <ivmai@mail.ru>2011-07-26 15:28:12 +0200
committerIvan Maidanski <ivmai@mail.ru>2011-07-26 15:28:12 +0200
commit111a44f98adde07d205c92656ad9b935ca2a39a8 (patch)
tree8a0cb4e60f636fd09dd0d2e1a3a7f3a4ac0a1bb0 /mips_sgi_mach_dep.s
parentf3632431e72d48bc7772b0752e29bb1e2a0901c6 (diff)
gc6.2 tarball importgc6_2
Diffstat (limited to 'mips_sgi_mach_dep.s')
-rw-r--r--mips_sgi_mach_dep.s46
1 files changed, 46 insertions, 0 deletions
diff --git a/mips_sgi_mach_dep.s b/mips_sgi_mach_dep.s
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+++ b/mips_sgi_mach_dep.s
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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