/* ----------------------------------------------------------------------- hpux64.S - (c) 2005-2022 John David Anglin HPUX PA 64-Bit Foreign Function Interface Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the ``Software''), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ----------------------------------------------------------------------- */ #define LIBFFI_ASM #include #include .LEVEL 2.0w .text .align 4 /* void ffi_call_pa64(void (*)(char *, extended_cif *), extended_cif *ecif, unsigned bytes, unsigned flags, unsigned *rvalue, void (*fn)()); */ .export ffi_call_pa64,code .import ffi_prep_args_pa64,code .align 4 L$FB1 ffi_call_pa64 .proc .callinfo FRAME=48,CALLS,SAVE_RP,ENTRY_GR=4 .entry std %rp, -16(%sp) copy %r3, %r1 L$CFI11 copy %sp, %r3 L$CFI12 std,ma %r1, 48(%sp) /* Setup the stack for calling prep_args... We want the stack to look like this: [ Previous stack ] <- %r3 [ 48-byte register save area ] [ Stack space for call arguments ] <- %r4 [ 16-byte rame marker ] [ 128-byte stack for calling prep_args ] <- %sp */ std %r4, 8(%r3) ; save r4 L$CFI13 std %r23, 16(%r3) ; save flags we need it later std %r22, 24(%r3) ; save rvalue std %r21, 32(%r3) ; save fn pointer copy %sp, %r4 copy %r4, %r26 ; argument stack pointer addl %r24, %sp, %sp ; allocate argument space ldo 112(%sp), %r29 ; arg pointer for prep args /* Call prep_args: %arg0(stack) -- set up above to point to call arguments %arg1(ecif) -- same as incoming param %arg2(bytes) -- same as incoming param */ bl ffi_prep_args_pa64,%r2 ldo 128(%sp), %sp ldo -128(%sp), %sp /* Load the arguments that should be passed in registers The fp args were loaded by the prep_args function. */ ldd 0(%r4), %r26 ldd 8(%r4), %r25 ldd 16(%r4), %r24 ldd 24(%r4), %r23 ldd 32(%r4), %r22 ldd 40(%r4), %r21 ldd 48(%r4), %r20 ldd 56(%r4), %r19 ldd 24(%r3), %ret0 ; %ret0 <- rvalue ldd 32(%r3), %r1 ; %r1 <- function pointer ldd 16(%r1), %rp ; fn address ldd 24(%r1), %dp ; New gp bve,l (%rp), %r2 ; Call the user function ldo 64(%r4), %r29 ; Argument pointer /* Prepare to store the result; recover flags and rvalue. */ ldd 16(%r3), %r21 ; r21 <- flags extrd,s %r21, 63, 32, %r21 ; sign extend flags for blr /* Adjust flags range from [-16, 15] to [0, 31]. */ addi 16, %r21, %r21 blr %r21, %r0 ldd 24(%r3), %r20 ; r20 <- rvalue /* Giant jump table */ /* 16-byte small struct */ b,n L$smst16 nop /* 15-byte small struct */ b,n L$smst15 nop /* 14-byte small struct */ b,n L$smst14 nop /* 13-byte small struct */ b,n L$smst13 nop /* 12-byte small struct */ b,n L$smst12 nop /* 11-byte small struct */ b,n L$smst11 nop /* 10-byte small struct */ b,n L$smst10 nop /* 9-byte small struct */ b,n L$smst9 nop /* 8-byte small struct */ b,n L$smst8 nop /* 7-byte small struct */ b,n L$smst7 nop /* 6-byte small struct */ b,n L$smst6 nop /* 5-byte small struct */ b,n L$smst5 nop /* 4-byte small struct */ b,n L$smst4 nop /* 3-byte small struct */ b,n L$smst3 nop /* 2-byte small struct */ b,n L$smst2 nop /* 1-byte small struct */ b,n L$smst1 nop /* void */ b,n L$done nop /* int */ b L$done std %ret0, 0(%r20) /* float */ b L$done fstw %fr4R, 0(%r20) /* double */ b L$done fstd %fr4, 0(%r20) /* long double */ b,n L$longdouble nop /* unsigned int8 */ b L$done std %ret0, 0(%r20) /* signed int8 */ b L$done std %ret0, 0(%r20) /* unsigned int16 */ b L$done std %ret0, 0(%r20) /* signed int16 */ b L$done std %ret0, 0(%r20) /* unsigned int32 */ b L$done std %ret0, 0(%r20) /* signed int32 */ b L$done std %ret0, 0(%r20) /* unsigned int64 */ b L$done std %ret0, 0(%r20) /* signed int64 */ b L$done std %ret0, 0(%r20) /* large struct */ b,n L$done nop /* pointer */ b L$done std %ret0, 0(%r20) /* complex */ b,n L$done nop L$longdouble std %ret0, 0(%r20) b L$done std %ret1, 8(%r20) /* We need to copy byte-by-byte the exact number bytes in the struct to avoid clobbering other data. */ L$smst1 extrd,u %ret0, 7, 8, %r22 b L$done stb %r22, 0(%r20) L$smst2 extrd,u %ret0, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 15, 8, %r22 b L$done stb %r22, 0(%r20) L$smst3 extrd,u %ret0, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 23, 8, %r22 b L$done stb %r22, 0(%r20) L$smst4 extrd,u %ret0, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 31, 8, %r22 b L$done stb %r22, 0(%r20) L$smst5 extrd,u %ret0, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 31, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 39, 8, %r22 b L$done stb %r22, 0(%r20) L$smst6 extrd,u %ret0, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 31, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 39, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 47, 8, %r22 b L$done stb %r22, 0(%r20) L$smst7 extrd,u %ret0, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 31, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 39, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 47, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 55, 8, %r22 b L$done stb %r22, 0(%r20) L$smst8 extrd,u %ret0, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 31, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 39, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 47, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 55, 8, %r22 stb,ma %r22, 1(%r20) b L$done stb %ret0, 0(%r20) L$smst9 extrd,u %ret0, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 31, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 39, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 47, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 55, 8, %r22 stb,ma %r22, 1(%r20) stb,ma %ret0, 1(%r20) extrd,u %ret1, 7, 8, %r22 b L$done stb %r22, 0(%r20) L$smst10 extrd,u %ret0, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 31, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 39, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 47, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 55, 8, %r22 stb,ma %r22, 1(%r20) stb,ma %ret0, 1(%r20) extrd,u %ret1, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 15, 8, %r22 b L$done stb %r22, 0(%r20) L$smst11 extrd,u %ret0, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 31, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 39, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 47, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 55, 8, %r22 stb,ma %r22, 1(%r20) stb,ma %ret0, 1(%r20) extrd,u %ret1, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 23, 8, %r22 b L$done stb %r22, 0(%r20) L$smst12 extrd,u %ret0, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 31, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 39, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 47, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 55, 8, %r22 stb,ma %r22, 1(%r20) stb,ma %ret0, 1(%r20) extrd,u %ret1, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 31, 8, %r22 b L$done stb %r22, 0(%r20) L$smst13 extrd,u %ret0, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 31, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 39, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 47, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 55, 8, %r22 stb,ma %r22, 1(%r20) stb,ma %ret0, 1(%r20) extrd,u %ret1, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 31, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 39, 8, %r22 b L$done stb %r22, 0(%r20) L$smst14 extrd,u %ret0, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 31, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 39, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 47, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 55, 8, %r22 stb,ma %r22, 1(%r20) stb,ma %ret0, 1(%r20) extrd,u %ret1, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 31, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 39, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 47, 8, %r22 b L$done stb %r22, 0(%r20) L$smst15 extrd,u %ret0, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 31, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 39, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 47, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 55, 8, %r22 stb,ma %r22, 1(%r20) stb,ma %ret0, 1(%r20) extrd,u %ret1, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 31, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 39, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 47, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 55, 8, %r22 b L$done stb %r22, 0(%r20) L$smst16 extrd,u %ret0, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 31, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 39, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 47, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret0, 55, 8, %r22 stb,ma %r22, 1(%r20) stb,ma %ret0, 1(%r20) extrd,u %ret1, 7, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 15, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 23, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 31, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 39, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 47, 8, %r22 stb,ma %r22, 1(%r20) extrd,u %ret1, 55, 8, %r22 stb,ma %r22, 1(%r20) stb %ret1, 0(%r20) L$done /* all done, restore registers and return */ copy %r4, %sp ldd 8(%r3), %r4 ldd -16(%r3), %rp bve (%rp) ldd,mb -48(%sp), %r3 .exit .procend L$FE1 .size ffi_call_pa64, .-ffi_call_pa64 /* void ffi_closure_pa64(void); Called with closure argument in %r21 */ .export ffi_closure_pa64,code .import ffi_closure_inner_pa64,code .align 4 L$FB2 ffi_closure_pa64 .proc .callinfo FRAME=128,CALLS,SAVE_RP,ENTRY_GR=3 .entry std %rp, -16(%sp) copy %r3, %r1 L$CFI21 copy %sp, %r3 L$CFI22 std,ma %r1, 128(%sp) L$CFI23 /* Put arguments onto the stack and call ffi_closure_inner. */ std %r26, -64(%r29) std %r25, -56(%r29) std %r24, -48(%r29) std %r23, -40(%r29) std %r22, -32(%r29) std %r21, -24(%r29) std %r20, -16(%r29) std %r19, -8(%r29) /* Load and save start of argument stack. */ ldo -64(%r29), %r25 std %r25, 8(%r3) /* Setup arg pointer. */ ldo -16(%sp), %ret1 /* Retrieve closure pointer and real gp. */ copy %dp, %r26 bl ffi_closure_inner_pa64, %r2 ldd 0(%dp), %dp /* Retrieve start of argument stack. */ ldd 8(%r3), %r1 /* Restore r3 and op stack. */ ldd,mb -128(%sp), %r3 /* Load return address. */ ldd -16(%sp), %rp /* Load return values from first and second stack slots. */ ldd 0(%r1), %ret0 bve (%rp) ldd 8(%r1), %ret1 .exit .procend .end L$FE2: .size ffi_closure_pa64, .-ffi_closure_pa64 .section .eh_frame,"aw",@progbits L$frame1: .word L$ECIE1-L$SCIE1 ;# Length of Common Information Entry L$SCIE1: .word 0x0 ;# CIE Identifier Tag .byte 0x3 ;# CIE Version .stringz "" ;# CIE Augmentation .uleb128 0x1 ;# CIE Code Alignment Factor .sleb128 8 ;# CIE Data Alignment Factor .byte 0x2 ;# CIE RA Column .byte 0xc ;# DW_CFA_def_cfa .uleb128 0x1e .uleb128 0x0 .align 8 L$ECIE1: L$SFDE1: .word L$EFDE1-L$ASFDE1 ;# FDE Length L$ASFDE1: .word L$ASFDE1-L$frame1 ;# FDE CIE offset .dword L$FB1 ;# FDE initial location .dword L$FE1-L$FB1 ;# FDE address range .byte 0x4 ;# DW_CFA_advance_loc4 .word L$CFI11-L$FB1 .byte 0x9 ;# DW_CFA_register: r3 in r1 .uleb128 0x3 .uleb128 0x1 .byte 0x11 ;# DW_CFA_offset_extended_sf: r2 at cfa-16 .uleb128 0x2 .sleb128 -2 .byte 0x4 ;# DW_CFA_advance_loc4 .word L$CFI12-L$CFI11 .byte 0xd ;# DW_CFA_def_cfa_register: r3 .uleb128 0x3 .byte 0x4 ;# DW_CFA_advance_loc4 .word L$CFI13-L$CFI12 .byte 0x83 ;# DW_CFA_offset: r3 at cfa+0 .uleb128 0 .byte 0x84 ;# DW_CFA_offset: r4 at cfa+8 .uleb128 1 .align 8 L$EFDE1: L$SFDE2: .word L$EFDE2-L$ASFDE2 ;# FDE Length L$ASFDE2: .word L$ASFDE2-L$frame1 ;# FDE CIE offset .dword L$FB2 ;# FDE initial location .dword L$FE2-L$FB2 ;# FDE address range .byte 0x4 ;# DW_CFA_advance_loc4 .word L$CFI21-L$FB2 .byte 0x9 ;# DW_CFA_register: r3 in r1 .uleb128 0x3 .uleb128 0x1 .byte 0x11 ;# DW_CFA_offset_extended_sf: r2 at cfa-16 .uleb128 0x2 .sleb128 -2 .byte 0x4 ;# DW_CFA_advance_loc4 .word L$CFI22-L$CFI21 .byte 0xd ;# DW_CFA_def_cfa_register: r3 .uleb128 0x3 .byte 0x4 ;# DW_CFA_advance_loc4 .word L$CFI23-L$CFI22 .byte 0x83 ;# DW_CFA_offset: r3 at cfa+0 .uleb128 0 .align 8 L$EFDE2: