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-rw-r--r--gc/alpha_mach_dep.s60
1 files changed, 60 insertions, 0 deletions
diff --git a/gc/alpha_mach_dep.s b/gc/alpha_mach_dep.s
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+ # $Id: alpha_mach_dep.s,v 1.1 2001/11/08 05:17:06 a-ito Exp $
+
+# define call_push(x) \
+ lda $16, 0(x); /* copy x to first argument register */ \
+ jsr $26, GC_push_one; /* call GC_push_one, ret addr in $26 */ \
+ ldgp $gp, 0($26) /* restore $gp register from $ra */
+
+ .text
+ .align 4
+ .globl GC_push_regs
+ .ent GC_push_regs 2
+GC_push_regs:
+ ldgp $gp, 0($27) # set gp from the procedure value reg
+ lda $sp, -32($sp) # make stack frame
+ stq $26, 8($sp) # save return address
+ .mask 0x04000000, -8
+ .frame $sp, 16, $26, 0
+
+ # call_push($0) # expression eval and int func result
+
+ # call_push($1) # temp regs - not preserved cross calls
+ # call_push($2)
+ # call_push($3)
+ # call_push($4)
+ # call_push($5)
+ # call_push($6)
+ # call_push($7)
+ # call_push($8)
+
+ call_push($9) # Saved regs
+ call_push($10)
+ call_push($11)
+ call_push($12)
+ call_push($13)
+ call_push($14)
+
+ call_push($15) # frame ptr or saved reg
+
+ # call_push($16) # argument regs - not preserved cross calls
+ # call_push($17)
+ # call_push($18)
+ # call_push($19)
+ # call_push($20)
+ # call_push($21)
+
+ # call_push($22) # temp regs - not preserved cross calls
+ # call_push($23)
+ # call_push($24)
+ # call_push($25)
+
+ # call_push($26) # return address - expression eval
+ # call_push($27) # procedure value or temporary reg
+ # call_push($28) # assembler temp - not presrved
+ call_push($29) # Global Pointer
+ # call_push($30) # Stack Pointer
+
+ ldq $26, 8($sp) # restore return address
+ lda $sp, 32($sp) # pop stack frame
+ ret $31, ($26), 1 # return ($31 == hardwired zero)
+ .end GC_push_regs