65 lines
971 B
PHP
65 lines
971 B
PHP
comment "subroutine declare"
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.purgem gdbasm_declare
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.macro gdbasm_declare name
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.align 2
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.ent \name
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.type \name,@function
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\name:
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.endm
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comment "subroutine prologue"
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.macro gdbasm_enter
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.frame $fp, 32, $31
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.mask 0xd0000000,-4
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.set noreorder
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.cpload $25
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.set reorder
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subu $sp, $sp, 32
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.cprestore 16
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sw $31, 28($sp)
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sw $fp, 24($sp)
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sw $28, 20($sp)
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move $fp, $sp
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.endm
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comment "subroutine epilogue"
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.macro gdbasm_leave
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lw $31, 28($sp)
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lw $fp, 24($sp)
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.set noreorder
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.set nomacro
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j $31
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addu $sp, $sp, 32
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.set macro
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.set reorder
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.endm
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comment "subroutine end"
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.purgem gdbasm_end
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.macro gdbasm_end name
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.end \name
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.endm
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.macro gdbasm_call subr
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la $25, \subr
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jal $31, $25
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.endm
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.macro gdbasm_several_nops
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nop
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nop
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nop
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nop
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.endm
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comment "exit (0)"
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.macro gdbasm_exit0
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comment "Don't know how to exit, but this will certainly halt..."
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lw $2, 0($0)
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.endm
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comment "crt0 startup"
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.macro gdbasm_startup
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move $fp, $sp
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.endm
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