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[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.18.50/] [gas/] [testsuite/] [gas/] [cfi/] [cfi-m68k.s] - Blame information for rev 156

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1 38 julius
#; $ as -o test.o gas-cfi-test.s && gcc -nostdlib -o test test.o
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        .text
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#; func_locvars
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#; - function with a space on the stack 
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#;   allocated for local variables
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        .type   func_locvars,@function
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func_locvars:
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        .cfi_startproc
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        #; alocate space for local vars
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        suba.w  #0x1234,%sp
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        .cfi_adjust_cfa_offset  0x1234
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        #; dummy body
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        moveq.l #1,%d0
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        #; release space of local vars and return
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        adda.w  #0x1234,%sp
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        .cfi_adjust_cfa_offset  -0x1234
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        rts
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        .cfi_endproc
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#; func_prologue
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#; - functions that begins with standard
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#;   prologue: "link %a6,#0"
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        .type   func_prologue,@function
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func_prologue:
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        .cfi_startproc
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        #; prologue, CFI is valid after 
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        #; each instruction.
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        link    %a6,#0
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        .cfi_def_cfa_offset     8
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        .cfi_offset             a6,-8
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        .cfi_def_cfa_register   a6
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        #; function body
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        jbsr    func_locvars
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        addq.l  #3, %d0
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        #; epilogue with valid CFI
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        #; (we're better than gcc :-)
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        unlk    %a6
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        .cfi_def_cfa_register   sp
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        rts
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        .cfi_endproc
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#; main
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#; - typical function
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        .type   main,@function
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main:
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        .cfi_startproc
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        #; only function body that doesn't
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        #; touch the stack at all.
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        jbsr    func_prologue
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        #; return
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        rts
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        .cfi_endproc

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