mirror of
https://github.com/tobast/libunwind-eh_elf.git
synced 2024-11-27 01:27:39 +01:00
97 lines
1.6 KiB
ArmAsm
97 lines
1.6 KiB
ArmAsm
.globl func_add1, func_add1_end
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.proc func_add1
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func_add1:
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{.mib; add r8 = 1, r32
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nop.i 0
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br.ret.sptk.many rp
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}
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func_add1_end:
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.endp func_add1
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.globl func_add3, func_add3_end
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.proc func_add3
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func_add3:
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{.mmi; alloc loc0 = ar.pfs, 2, 1, 2, 0
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mov r2 = sp
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add sp = -16, sp
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} ;;
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{.mii; ld8 r8 = [in1], 8 // load the function pointer
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mov r3 = rp
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mov rp = loc0 // trash rp
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} ;;
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{.mmi; ld8 r9 = [r8], 8 // load the entry-point
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st8 [r2] = r3
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mov out0 = in0
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} ;;
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{.mii; ld8 gp = [r8] // load the gp
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mov b6 = r9
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mov out1 = in1
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}
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{.mib; nop 0
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nop 0
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br.call.sptk rp = b6
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}
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{.mmi; add r2 = 16, sp
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;;
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ld8 r3 = [r2] // r3 = saved rp
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mov ar.pfs = loc0
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} ;;
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{.mii; nop 0
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mov rp = r3
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adds sp = 16, sp
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} ;;
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{.mib; st8 [sp] = in0 // trash rp save location
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add r8 = 2, r8
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br.ret.sptk.many rp
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}
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func_add3_end:
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.endp func_add3
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.globl func_vframe, func_vframe_end
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.proc func_vframe
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func_vframe:
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{.mii; alloc r16 = ar.pfs, 1, 2, 0, 0 // 0
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mov loc0 = rp
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mov loc1 = sp
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} ;;
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{.mmi; sub sp = sp, in0
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st8 [loc1] = r16
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mov r2 = -99 // 0
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} ;;
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{.mii; nop 0
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mov rp = r2
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mov ar.pfs = r0
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}
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{.mib; mov r16 = r2
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tbit.nz p6, p0 = in0, 4
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(p6) br.cond.sptk.many .exit
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} ;;
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{.mmi; ld8 r16 = [loc1]
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;;
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mov r3 = loc0 // 8 move saved rp to r3
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mov ar.pfs = r16
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} ;;
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{.mmi; mov sp = loc1 // 10
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st8 [loc1] = r0 // trash saved pfs
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mov loc0 = r2
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} ;;
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{.mib; mov r8 = 10
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mov rp = r3
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br.ret.sptk.many rp
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}
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.exit:
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{.mmi; ld8 r16 = [loc1]
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;;
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sub sp = 32, sp
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mov ar.pfs = r16
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} ;;
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{.mmi; mov sp = loc1
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st8 [loc1] = r0 // trash saved pfs
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mov rp = loc0
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}
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{.mib; nop 0
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mov r8 = 4
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br.ret.sptk.many rp
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}
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func_vframe_end:
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.endp func_vframe
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