1*1fd5a2e1SPrashanth Swaminathan/* ----------------------------------------------------------------------- 2*1fd5a2e1SPrashanth Swaminathan sysv.S - Copyright (c) 2017 Anthony Green 3*1fd5a2e1SPrashanth Swaminathan - Copyright (c) 2013 The Written Word, Inc. 4*1fd5a2e1SPrashanth Swaminathan - Copyright (c) 1996,1998,2001-2003,2005,2008,2010 Red Hat, Inc. 5*1fd5a2e1SPrashanth Swaminathan 6*1fd5a2e1SPrashanth Swaminathan X86 Foreign Function Interface 7*1fd5a2e1SPrashanth Swaminathan 8*1fd5a2e1SPrashanth Swaminathan Permission is hereby granted, free of charge, to any person obtaining 9*1fd5a2e1SPrashanth Swaminathan a copy of this software and associated documentation files (the 10*1fd5a2e1SPrashanth Swaminathan ``Software''), to deal in the Software without restriction, including 11*1fd5a2e1SPrashanth Swaminathan without limitation the rights to use, copy, modify, merge, publish, 12*1fd5a2e1SPrashanth Swaminathan distribute, sublicense, and/or sell copies of the Software, and to 13*1fd5a2e1SPrashanth Swaminathan permit persons to whom the Software is furnished to do so, subject to 14*1fd5a2e1SPrashanth Swaminathan the following conditions: 15*1fd5a2e1SPrashanth Swaminathan 16*1fd5a2e1SPrashanth Swaminathan The above copyright notice and this permission notice shall be included 17*1fd5a2e1SPrashanth Swaminathan in all copies or substantial portions of the Software. 18*1fd5a2e1SPrashanth Swaminathan 19*1fd5a2e1SPrashanth Swaminathan THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, 20*1fd5a2e1SPrashanth Swaminathan EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 21*1fd5a2e1SPrashanth Swaminathan MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 22*1fd5a2e1SPrashanth Swaminathan NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 23*1fd5a2e1SPrashanth Swaminathan HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 24*1fd5a2e1SPrashanth Swaminathan WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 25*1fd5a2e1SPrashanth Swaminathan OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 26*1fd5a2e1SPrashanth Swaminathan DEALINGS IN THE SOFTWARE. 27*1fd5a2e1SPrashanth Swaminathan ----------------------------------------------------------------------- */ 28*1fd5a2e1SPrashanth Swaminathan 29*1fd5a2e1SPrashanth Swaminathan#ifndef __x86_64__ 30*1fd5a2e1SPrashanth Swaminathan#ifdef _MSC_VER 31*1fd5a2e1SPrashanth Swaminathan 32*1fd5a2e1SPrashanth Swaminathan#define LIBFFI_ASM 33*1fd5a2e1SPrashanth Swaminathan#include <fficonfig.h> 34*1fd5a2e1SPrashanth Swaminathan#include <ffi.h> 35*1fd5a2e1SPrashanth Swaminathan#include <ffi_cfi.h> 36*1fd5a2e1SPrashanth Swaminathan#include "internal.h" 37*1fd5a2e1SPrashanth Swaminathan 38*1fd5a2e1SPrashanth Swaminathan#define C2(X, Y) X ## Y 39*1fd5a2e1SPrashanth Swaminathan#define C1(X, Y) C2(X, Y) 40*1fd5a2e1SPrashanth Swaminathan#define L(X) C1(L, X) 41*1fd5a2e1SPrashanth Swaminathan# define ENDF(X) X ENDP 42*1fd5a2e1SPrashanth Swaminathan 43*1fd5a2e1SPrashanth Swaminathan/* This macro allows the safe creation of jump tables without an 44*1fd5a2e1SPrashanth Swaminathan actual table. The entry points into the table are all 8 bytes. 45*1fd5a2e1SPrashanth Swaminathan The use of ORG asserts that we're at the correct location. */ 46*1fd5a2e1SPrashanth Swaminathan/* ??? The clang assembler doesn't handle .org with symbolic expressions. */ 47*1fd5a2e1SPrashanth Swaminathan#if defined(__clang__) || defined(__APPLE__) || (defined (__sun__) && defined(__svr4__)) 48*1fd5a2e1SPrashanth Swaminathan# define E(BASE, X) ALIGN 8 49*1fd5a2e1SPrashanth Swaminathan#else 50*1fd5a2e1SPrashanth Swaminathan# define E(BASE, X) ALIGN 8; ORG BASE + X * 8 51*1fd5a2e1SPrashanth Swaminathan#endif 52*1fd5a2e1SPrashanth Swaminathan 53*1fd5a2e1SPrashanth Swaminathan .686P 54*1fd5a2e1SPrashanth Swaminathan .MODEL FLAT 55*1fd5a2e1SPrashanth Swaminathan 56*1fd5a2e1SPrashanth SwaminathanEXTRN @ffi_closure_inner@8:PROC 57*1fd5a2e1SPrashanth Swaminathan_TEXT SEGMENT 58*1fd5a2e1SPrashanth Swaminathan 59*1fd5a2e1SPrashanth Swaminathan/* This is declared as 60*1fd5a2e1SPrashanth Swaminathan 61*1fd5a2e1SPrashanth Swaminathan void ffi_call_i386(struct call_frame *frame, char *argp) 62*1fd5a2e1SPrashanth Swaminathan __attribute__((fastcall)); 63*1fd5a2e1SPrashanth Swaminathan 64*1fd5a2e1SPrashanth Swaminathan Thus the arguments are present in 65*1fd5a2e1SPrashanth Swaminathan 66*1fd5a2e1SPrashanth Swaminathan ecx: frame 67*1fd5a2e1SPrashanth Swaminathan edx: argp 68*1fd5a2e1SPrashanth Swaminathan*/ 69*1fd5a2e1SPrashanth Swaminathan 70*1fd5a2e1SPrashanth SwaminathanALIGN 16 71*1fd5a2e1SPrashanth SwaminathanPUBLIC @ffi_call_i386@8 72*1fd5a2e1SPrashanth Swaminathan@ffi_call_i386@8 PROC 73*1fd5a2e1SPrashanth SwaminathanL(UW0): 74*1fd5a2e1SPrashanth Swaminathan cfi_startproc 75*1fd5a2e1SPrashanth Swaminathan #if !HAVE_FASTCALL 76*1fd5a2e1SPrashanth Swaminathan mov ecx, [esp+4] 77*1fd5a2e1SPrashanth Swaminathan mov edx, [esp+8] 78*1fd5a2e1SPrashanth Swaminathan #endif 79*1fd5a2e1SPrashanth Swaminathan mov eax, [esp] /* move the return address */ 80*1fd5a2e1SPrashanth Swaminathan mov [ecx], ebp /* store ebp into local frame */ 81*1fd5a2e1SPrashanth Swaminathan mov [ecx+4], eax /* store retaddr into local frame */ 82*1fd5a2e1SPrashanth Swaminathan 83*1fd5a2e1SPrashanth Swaminathan /* New stack frame based off ebp. This is a itty bit of unwind 84*1fd5a2e1SPrashanth Swaminathan trickery in that the CFA *has* changed. There is no easy way 85*1fd5a2e1SPrashanth Swaminathan to describe it correctly on entry to the function. Fortunately, 86*1fd5a2e1SPrashanth Swaminathan it doesn't matter too much since at all points we can correctly 87*1fd5a2e1SPrashanth Swaminathan unwind back to ffi_call. Note that the location to which we 88*1fd5a2e1SPrashanth Swaminathan moved the return address is (the new) CFA-4, so from the 89*1fd5a2e1SPrashanth Swaminathan perspective of the unwind info, it hasn't moved. */ 90*1fd5a2e1SPrashanth Swaminathan mov ebp, ecx 91*1fd5a2e1SPrashanth SwaminathanL(UW1): 92*1fd5a2e1SPrashanth Swaminathan // cfi_def_cfa(%ebp, 8) 93*1fd5a2e1SPrashanth Swaminathan // cfi_rel_offset(%ebp, 0) 94*1fd5a2e1SPrashanth Swaminathan 95*1fd5a2e1SPrashanth Swaminathan mov esp, edx /* set outgoing argument stack */ 96*1fd5a2e1SPrashanth Swaminathan mov eax, [20+R_EAX*4+ebp] /* set register arguments */ 97*1fd5a2e1SPrashanth Swaminathan mov edx, [20+R_EDX*4+ebp] 98*1fd5a2e1SPrashanth Swaminathan mov ecx, [20+R_ECX*4+ebp] 99*1fd5a2e1SPrashanth Swaminathan 100*1fd5a2e1SPrashanth Swaminathan call dword ptr [ebp+8] 101*1fd5a2e1SPrashanth Swaminathan 102*1fd5a2e1SPrashanth Swaminathan mov ecx, [12+ebp] /* load return type code */ 103*1fd5a2e1SPrashanth Swaminathan mov [ebp+8], ebx /* preserve %ebx */ 104*1fd5a2e1SPrashanth SwaminathanL(UW2): 105*1fd5a2e1SPrashanth Swaminathan // cfi_rel_offset(%ebx, 8) 106*1fd5a2e1SPrashanth Swaminathan 107*1fd5a2e1SPrashanth Swaminathan and ecx, X86_RET_TYPE_MASK 108*1fd5a2e1SPrashanth Swaminathan lea ebx, [L(store_table) + ecx * 8] 109*1fd5a2e1SPrashanth Swaminathan mov ecx, [ebp+16] /* load result address */ 110*1fd5a2e1SPrashanth Swaminathan jmp ebx 111*1fd5a2e1SPrashanth Swaminathan 112*1fd5a2e1SPrashanth Swaminathan ALIGN 8 113*1fd5a2e1SPrashanth SwaminathanL(store_table): 114*1fd5a2e1SPrashanth SwaminathanE(L(store_table), X86_RET_FLOAT) 115*1fd5a2e1SPrashanth Swaminathan fstp DWORD PTR [ecx] 116*1fd5a2e1SPrashanth Swaminathan jmp L(e1) 117*1fd5a2e1SPrashanth SwaminathanE(L(store_table), X86_RET_DOUBLE) 118*1fd5a2e1SPrashanth Swaminathan fstp QWORD PTR [ecx] 119*1fd5a2e1SPrashanth Swaminathan jmp L(e1) 120*1fd5a2e1SPrashanth SwaminathanE(L(store_table), X86_RET_LDOUBLE) 121*1fd5a2e1SPrashanth Swaminathan fstp QWORD PTR [ecx] 122*1fd5a2e1SPrashanth Swaminathan jmp L(e1) 123*1fd5a2e1SPrashanth SwaminathanE(L(store_table), X86_RET_SINT8) 124*1fd5a2e1SPrashanth Swaminathan movsx eax, al 125*1fd5a2e1SPrashanth Swaminathan mov [ecx], eax 126*1fd5a2e1SPrashanth Swaminathan jmp L(e1) 127*1fd5a2e1SPrashanth SwaminathanE(L(store_table), X86_RET_SINT16) 128*1fd5a2e1SPrashanth Swaminathan movsx eax, ax 129*1fd5a2e1SPrashanth Swaminathan mov [ecx], eax 130*1fd5a2e1SPrashanth Swaminathan jmp L(e1) 131*1fd5a2e1SPrashanth SwaminathanE(L(store_table), X86_RET_UINT8) 132*1fd5a2e1SPrashanth Swaminathan movzx eax, al 133*1fd5a2e1SPrashanth Swaminathan mov [ecx], eax 134*1fd5a2e1SPrashanth Swaminathan jmp L(e1) 135*1fd5a2e1SPrashanth SwaminathanE(L(store_table), X86_RET_UINT16) 136*1fd5a2e1SPrashanth Swaminathan movzx eax, ax 137*1fd5a2e1SPrashanth Swaminathan mov [ecx], eax 138*1fd5a2e1SPrashanth Swaminathan jmp L(e1) 139*1fd5a2e1SPrashanth SwaminathanE(L(store_table), X86_RET_INT64) 140*1fd5a2e1SPrashanth Swaminathan mov [ecx+4], edx 141*1fd5a2e1SPrashanth Swaminathan /* fallthru */ 142*1fd5a2e1SPrashanth SwaminathanE(L(store_table), X86_RET_int 32) 143*1fd5a2e1SPrashanth Swaminathan mov [ecx], eax 144*1fd5a2e1SPrashanth Swaminathan /* fallthru */ 145*1fd5a2e1SPrashanth SwaminathanE(L(store_table), X86_RET_VOID) 146*1fd5a2e1SPrashanth SwaminathanL(e1): 147*1fd5a2e1SPrashanth Swaminathan mov ebx, [ebp+8] 148*1fd5a2e1SPrashanth Swaminathan mov esp, ebp 149*1fd5a2e1SPrashanth Swaminathan pop ebp 150*1fd5a2e1SPrashanth SwaminathanL(UW3): 151*1fd5a2e1SPrashanth Swaminathan // cfi_remember_state 152*1fd5a2e1SPrashanth Swaminathan // cfi_def_cfa(%esp, 4) 153*1fd5a2e1SPrashanth Swaminathan // cfi_restore(%ebx) 154*1fd5a2e1SPrashanth Swaminathan // cfi_restore(%ebp) 155*1fd5a2e1SPrashanth Swaminathan ret 156*1fd5a2e1SPrashanth SwaminathanL(UW4): 157*1fd5a2e1SPrashanth Swaminathan // cfi_restore_state 158*1fd5a2e1SPrashanth Swaminathan 159*1fd5a2e1SPrashanth SwaminathanE(L(store_table), X86_RET_STRUCTPOP) 160*1fd5a2e1SPrashanth Swaminathan jmp L(e1) 161*1fd5a2e1SPrashanth SwaminathanE(L(store_table), X86_RET_STRUCTARG) 162*1fd5a2e1SPrashanth Swaminathan jmp L(e1) 163*1fd5a2e1SPrashanth SwaminathanE(L(store_table), X86_RET_STRUCT_1B) 164*1fd5a2e1SPrashanth Swaminathan mov [ecx], al 165*1fd5a2e1SPrashanth Swaminathan jmp L(e1) 166*1fd5a2e1SPrashanth SwaminathanE(L(store_table), X86_RET_STRUCT_2B) 167*1fd5a2e1SPrashanth Swaminathan mov [ecx], ax 168*1fd5a2e1SPrashanth Swaminathan jmp L(e1) 169*1fd5a2e1SPrashanth Swaminathan 170*1fd5a2e1SPrashanth Swaminathan /* Fill out the table so that bad values are predictable. */ 171*1fd5a2e1SPrashanth SwaminathanE(L(store_table), X86_RET_UNUSED14) 172*1fd5a2e1SPrashanth Swaminathan int 3 173*1fd5a2e1SPrashanth SwaminathanE(L(store_table), X86_RET_UNUSED15) 174*1fd5a2e1SPrashanth Swaminathan int 3 175*1fd5a2e1SPrashanth Swaminathan 176*1fd5a2e1SPrashanth SwaminathanL(UW5): 177*1fd5a2e1SPrashanth Swaminathan // cfi_endproc 178*1fd5a2e1SPrashanth SwaminathanENDF(@ffi_call_i386@8) 179*1fd5a2e1SPrashanth Swaminathan 180*1fd5a2e1SPrashanth Swaminathan/* The inner helper is declared as 181*1fd5a2e1SPrashanth Swaminathan 182*1fd5a2e1SPrashanth Swaminathan void ffi_closure_inner(struct closure_frame *frame, char *argp) 183*1fd5a2e1SPrashanth Swaminathan __attribute_((fastcall)) 184*1fd5a2e1SPrashanth Swaminathan 185*1fd5a2e1SPrashanth Swaminathan Thus the arguments are placed in 186*1fd5a2e1SPrashanth Swaminathan 187*1fd5a2e1SPrashanth Swaminathan ecx: frame 188*1fd5a2e1SPrashanth Swaminathan edx: argp 189*1fd5a2e1SPrashanth Swaminathan*/ 190*1fd5a2e1SPrashanth Swaminathan 191*1fd5a2e1SPrashanth Swaminathan/* Macros to help setting up the closure_data structure. */ 192*1fd5a2e1SPrashanth Swaminathan 193*1fd5a2e1SPrashanth Swaminathan#if HAVE_FASTCALL 194*1fd5a2e1SPrashanth Swaminathan# define closure_FS (40 + 4) 195*1fd5a2e1SPrashanth Swaminathan# define closure_CF 0 196*1fd5a2e1SPrashanth Swaminathan#else 197*1fd5a2e1SPrashanth Swaminathan# define closure_FS (8 + 40 + 12) 198*1fd5a2e1SPrashanth Swaminathan# define closure_CF 8 199*1fd5a2e1SPrashanth Swaminathan#endif 200*1fd5a2e1SPrashanth Swaminathan 201*1fd5a2e1SPrashanth SwaminathanFFI_CLOSURE_SAVE_REGS MACRO 202*1fd5a2e1SPrashanth Swaminathan mov [esp + closure_CF+16+R_EAX*4], eax 203*1fd5a2e1SPrashanth Swaminathan mov [esp + closure_CF+16+R_EDX*4], edx 204*1fd5a2e1SPrashanth Swaminathan mov [esp + closure_CF+16+R_ECX*4], ecx 205*1fd5a2e1SPrashanth SwaminathanENDM 206*1fd5a2e1SPrashanth Swaminathan 207*1fd5a2e1SPrashanth SwaminathanFFI_CLOSURE_COPY_TRAMP_DATA MACRO 208*1fd5a2e1SPrashanth Swaminathan mov edx, [eax+FFI_TRAMPOLINE_SIZE] /* copy cif */ 209*1fd5a2e1SPrashanth Swaminathan mov ecx, [eax+FFI_TRAMPOLINE_SIZE+4] /* copy fun */ 210*1fd5a2e1SPrashanth Swaminathan mov eax, [eax+FFI_TRAMPOLINE_SIZE+8]; /* copy user_data */ 211*1fd5a2e1SPrashanth Swaminathan mov [esp+closure_CF+28], edx 212*1fd5a2e1SPrashanth Swaminathan mov [esp+closure_CF+32], ecx 213*1fd5a2e1SPrashanth Swaminathan mov [esp+closure_CF+36], eax 214*1fd5a2e1SPrashanth SwaminathanENDM 215*1fd5a2e1SPrashanth Swaminathan 216*1fd5a2e1SPrashanth Swaminathan#if HAVE_FASTCALL 217*1fd5a2e1SPrashanth SwaminathanFFI_CLOSURE_PREP_CALL MACRO 218*1fd5a2e1SPrashanth Swaminathan mov ecx, esp /* load closure_data */ 219*1fd5a2e1SPrashanth Swaminathan lea edx, [esp+closure_FS+4] /* load incoming stack */ 220*1fd5a2e1SPrashanth SwaminathanENDM 221*1fd5a2e1SPrashanth Swaminathan#else 222*1fd5a2e1SPrashanth SwaminathanFFI_CLOSURE_PREP_CALL MACRO 223*1fd5a2e1SPrashanth Swaminathan lea ecx, [esp+closure_CF] /* load closure_data */ 224*1fd5a2e1SPrashanth Swaminathan lea edx, [esp+closure_FS+4] /* load incoming stack */ 225*1fd5a2e1SPrashanth Swaminathan mov [esp], ecx 226*1fd5a2e1SPrashanth Swaminathan mov [esp+4], edx 227*1fd5a2e1SPrashanth SwaminathanENDM 228*1fd5a2e1SPrashanth Swaminathan#endif 229*1fd5a2e1SPrashanth Swaminathan 230*1fd5a2e1SPrashanth SwaminathanFFI_CLOSURE_CALL_INNER MACRO UWN 231*1fd5a2e1SPrashanth Swaminathan call @ffi_closure_inner@8 232*1fd5a2e1SPrashanth SwaminathanENDM 233*1fd5a2e1SPrashanth Swaminathan 234*1fd5a2e1SPrashanth SwaminathanFFI_CLOSURE_MASK_AND_JUMP MACRO LABEL 235*1fd5a2e1SPrashanth Swaminathan and eax, X86_RET_TYPE_MASK 236*1fd5a2e1SPrashanth Swaminathan lea edx, [LABEL+eax*8] 237*1fd5a2e1SPrashanth Swaminathan mov eax, [esp+closure_CF] /* optimiztic load */ 238*1fd5a2e1SPrashanth Swaminathan jmp edx 239*1fd5a2e1SPrashanth SwaminathanENDM 240*1fd5a2e1SPrashanth Swaminathan 241*1fd5a2e1SPrashanth SwaminathanALIGN 16 242*1fd5a2e1SPrashanth SwaminathanPUBLIC ffi_go_closure_EAX 243*1fd5a2e1SPrashanth Swaminathanffi_go_closure_EAX PROC C 244*1fd5a2e1SPrashanth SwaminathanL(UW6): 245*1fd5a2e1SPrashanth Swaminathan // cfi_startproc 246*1fd5a2e1SPrashanth Swaminathan sub esp, closure_FS 247*1fd5a2e1SPrashanth SwaminathanL(UW7): 248*1fd5a2e1SPrashanth Swaminathan // cfi_def_cfa_offset(closure_FS + 4) 249*1fd5a2e1SPrashanth Swaminathan FFI_CLOSURE_SAVE_REGS 250*1fd5a2e1SPrashanth Swaminathan mov edx, [eax+4] /* copy cif */ 251*1fd5a2e1SPrashanth Swaminathan mov ecx, [eax +8] /* copy fun */ 252*1fd5a2e1SPrashanth Swaminathan mov [esp+closure_CF+28], edx 253*1fd5a2e1SPrashanth Swaminathan mov [esp+closure_CF+32], ecx 254*1fd5a2e1SPrashanth Swaminathan mov [esp+closure_CF+36], eax /* closure is user_data */ 255*1fd5a2e1SPrashanth Swaminathan jmp L(do_closure_i386) 256*1fd5a2e1SPrashanth SwaminathanL(UW8): 257*1fd5a2e1SPrashanth Swaminathan // cfi_endproc 258*1fd5a2e1SPrashanth SwaminathanENDF(ffi_go_closure_EAX) 259*1fd5a2e1SPrashanth Swaminathan 260*1fd5a2e1SPrashanth SwaminathanALIGN 16 261*1fd5a2e1SPrashanth SwaminathanPUBLIC ffi_go_closure_ECX 262*1fd5a2e1SPrashanth Swaminathanffi_go_closure_ECX PROC C 263*1fd5a2e1SPrashanth SwaminathanL(UW9): 264*1fd5a2e1SPrashanth Swaminathan // cfi_startproc 265*1fd5a2e1SPrashanth Swaminathan sub esp, closure_FS 266*1fd5a2e1SPrashanth SwaminathanL(UW10): 267*1fd5a2e1SPrashanth Swaminathan // cfi_def_cfa_offset(closure_FS + 4) 268*1fd5a2e1SPrashanth Swaminathan FFI_CLOSURE_SAVE_REGS 269*1fd5a2e1SPrashanth Swaminathan mov edx, [ecx+4] /* copy cif */ 270*1fd5a2e1SPrashanth Swaminathan mov eax, [ecx+8] /* copy fun */ 271*1fd5a2e1SPrashanth Swaminathan mov [esp+closure_CF+28], edx 272*1fd5a2e1SPrashanth Swaminathan mov [esp+closure_CF+32], eax 273*1fd5a2e1SPrashanth Swaminathan mov [esp+closure_CF+36], ecx /* closure is user_data */ 274*1fd5a2e1SPrashanth Swaminathan jmp L(do_closure_i386) 275*1fd5a2e1SPrashanth SwaminathanL(UW11): 276*1fd5a2e1SPrashanth Swaminathan // cfi_endproc 277*1fd5a2e1SPrashanth SwaminathanENDF(ffi_go_closure_ECX) 278*1fd5a2e1SPrashanth Swaminathan 279*1fd5a2e1SPrashanth Swaminathan/* The closure entry points are reached from the ffi_closure trampoline. 280*1fd5a2e1SPrashanth Swaminathan On entry, %eax contains the address of the ffi_closure. */ 281*1fd5a2e1SPrashanth Swaminathan 282*1fd5a2e1SPrashanth SwaminathanALIGN 16 283*1fd5a2e1SPrashanth SwaminathanPUBLIC ffi_closure_i386 284*1fd5a2e1SPrashanth Swaminathanffi_closure_i386 PROC C 285*1fd5a2e1SPrashanth SwaminathanL(UW12): 286*1fd5a2e1SPrashanth Swaminathan // cfi_startproc 287*1fd5a2e1SPrashanth Swaminathan sub esp, closure_FS 288*1fd5a2e1SPrashanth SwaminathanL(UW13): 289*1fd5a2e1SPrashanth Swaminathan // cfi_def_cfa_offset(closure_FS + 4) 290*1fd5a2e1SPrashanth Swaminathan 291*1fd5a2e1SPrashanth Swaminathan FFI_CLOSURE_SAVE_REGS 292*1fd5a2e1SPrashanth Swaminathan FFI_CLOSURE_COPY_TRAMP_DATA 293*1fd5a2e1SPrashanth Swaminathan 294*1fd5a2e1SPrashanth Swaminathan /* Entry point from preceeding Go closures. */ 295*1fd5a2e1SPrashanth SwaminathanL(do_closure_i386):: 296*1fd5a2e1SPrashanth Swaminathan 297*1fd5a2e1SPrashanth Swaminathan FFI_CLOSURE_PREP_CALL 298*1fd5a2e1SPrashanth Swaminathan FFI_CLOSURE_CALL_INNER(14) 299*1fd5a2e1SPrashanth Swaminathan FFI_CLOSURE_MASK_AND_JUMP L(C1(load_table,2)) 300*1fd5a2e1SPrashanth Swaminathan 301*1fd5a2e1SPrashanth Swaminathan ALIGN 8 302*1fd5a2e1SPrashanth SwaminathanL(load_table2): 303*1fd5a2e1SPrashanth SwaminathanE(L(load_table2), X86_RET_FLOAT) 304*1fd5a2e1SPrashanth Swaminathan fld dword ptr [esp+closure_CF] 305*1fd5a2e1SPrashanth Swaminathan jmp L(e2) 306*1fd5a2e1SPrashanth SwaminathanE(L(load_table2), X86_RET_DOUBLE) 307*1fd5a2e1SPrashanth Swaminathan fld qword ptr [esp+closure_CF] 308*1fd5a2e1SPrashanth Swaminathan jmp L(e2) 309*1fd5a2e1SPrashanth SwaminathanE(L(load_table2), X86_RET_LDOUBLE) 310*1fd5a2e1SPrashanth Swaminathan fld qword ptr [esp+closure_CF] 311*1fd5a2e1SPrashanth Swaminathan jmp L(e2) 312*1fd5a2e1SPrashanth SwaminathanE(L(load_table2), X86_RET_SINT8) 313*1fd5a2e1SPrashanth Swaminathan movsx eax, al 314*1fd5a2e1SPrashanth Swaminathan jmp L(e2) 315*1fd5a2e1SPrashanth SwaminathanE(L(load_table2), X86_RET_SINT16) 316*1fd5a2e1SPrashanth Swaminathan movsx eax, ax 317*1fd5a2e1SPrashanth Swaminathan jmp L(e2) 318*1fd5a2e1SPrashanth SwaminathanE(L(load_table2), X86_RET_UINT8) 319*1fd5a2e1SPrashanth Swaminathan movzx eax, al 320*1fd5a2e1SPrashanth Swaminathan jmp L(e2) 321*1fd5a2e1SPrashanth SwaminathanE(L(load_table2), X86_RET_UINT16) 322*1fd5a2e1SPrashanth Swaminathan movzx eax, ax 323*1fd5a2e1SPrashanth Swaminathan jmp L(e2) 324*1fd5a2e1SPrashanth SwaminathanE(L(load_table2), X86_RET_INT64) 325*1fd5a2e1SPrashanth Swaminathan mov edx, [esp+closure_CF+4] 326*1fd5a2e1SPrashanth Swaminathan jmp L(e2) 327*1fd5a2e1SPrashanth SwaminathanE(L(load_table2), X86_RET_INT32) 328*1fd5a2e1SPrashanth Swaminathan nop 329*1fd5a2e1SPrashanth Swaminathan /* fallthru */ 330*1fd5a2e1SPrashanth SwaminathanE(L(load_table2), X86_RET_VOID) 331*1fd5a2e1SPrashanth SwaminathanL(e2): 332*1fd5a2e1SPrashanth Swaminathan add esp, closure_FS 333*1fd5a2e1SPrashanth SwaminathanL(UW16): 334*1fd5a2e1SPrashanth Swaminathan // cfi_adjust_cfa_offset(-closure_FS) 335*1fd5a2e1SPrashanth Swaminathan ret 336*1fd5a2e1SPrashanth SwaminathanL(UW17): 337*1fd5a2e1SPrashanth Swaminathan // cfi_adjust_cfa_offset(closure_FS) 338*1fd5a2e1SPrashanth SwaminathanE(L(load_table2), X86_RET_STRUCTPOP) 339*1fd5a2e1SPrashanth Swaminathan add esp, closure_FS 340*1fd5a2e1SPrashanth SwaminathanL(UW18): 341*1fd5a2e1SPrashanth Swaminathan // cfi_adjust_cfa_offset(-closure_FS) 342*1fd5a2e1SPrashanth Swaminathan ret 4 343*1fd5a2e1SPrashanth SwaminathanL(UW19): 344*1fd5a2e1SPrashanth Swaminathan // cfi_adjust_cfa_offset(closure_FS) 345*1fd5a2e1SPrashanth SwaminathanE(L(load_table2), X86_RET_STRUCTARG) 346*1fd5a2e1SPrashanth Swaminathan jmp L(e2) 347*1fd5a2e1SPrashanth SwaminathanE(L(load_table2), X86_RET_STRUCT_1B) 348*1fd5a2e1SPrashanth Swaminathan movzx eax, al 349*1fd5a2e1SPrashanth Swaminathan jmp L(e2) 350*1fd5a2e1SPrashanth SwaminathanE(L(load_table2), X86_RET_STRUCT_2B) 351*1fd5a2e1SPrashanth Swaminathan movzx eax, ax 352*1fd5a2e1SPrashanth Swaminathan jmp L(e2) 353*1fd5a2e1SPrashanth Swaminathan 354*1fd5a2e1SPrashanth Swaminathan /* Fill out the table so that bad values are predictable. */ 355*1fd5a2e1SPrashanth SwaminathanE(L(load_table2), X86_RET_UNUSED14) 356*1fd5a2e1SPrashanth Swaminathan int 3 357*1fd5a2e1SPrashanth SwaminathanE(L(load_table2), X86_RET_UNUSED15) 358*1fd5a2e1SPrashanth Swaminathan int 3 359*1fd5a2e1SPrashanth Swaminathan 360*1fd5a2e1SPrashanth SwaminathanL(UW20): 361*1fd5a2e1SPrashanth Swaminathan // cfi_endproc 362*1fd5a2e1SPrashanth SwaminathanENDF(ffi_closure_i386) 363*1fd5a2e1SPrashanth Swaminathan 364*1fd5a2e1SPrashanth SwaminathanALIGN 16 365*1fd5a2e1SPrashanth SwaminathanPUBLIC ffi_go_closure_STDCALL 366*1fd5a2e1SPrashanth Swaminathanffi_go_closure_STDCALL PROC C 367*1fd5a2e1SPrashanth SwaminathanL(UW21): 368*1fd5a2e1SPrashanth Swaminathan // cfi_startproc 369*1fd5a2e1SPrashanth Swaminathan sub esp, closure_FS 370*1fd5a2e1SPrashanth SwaminathanL(UW22): 371*1fd5a2e1SPrashanth Swaminathan // cfi_def_cfa_offset(closure_FS + 4) 372*1fd5a2e1SPrashanth Swaminathan FFI_CLOSURE_SAVE_REGS 373*1fd5a2e1SPrashanth Swaminathan mov edx, [ecx+4] /* copy cif */ 374*1fd5a2e1SPrashanth Swaminathan mov eax, [ecx+8] /* copy fun */ 375*1fd5a2e1SPrashanth Swaminathan mov [esp+closure_CF+28], edx 376*1fd5a2e1SPrashanth Swaminathan mov [esp+closure_CF+32], eax 377*1fd5a2e1SPrashanth Swaminathan mov [esp+closure_CF+36], ecx /* closure is user_data */ 378*1fd5a2e1SPrashanth Swaminathan jmp L(do_closure_STDCALL) 379*1fd5a2e1SPrashanth SwaminathanL(UW23): 380*1fd5a2e1SPrashanth Swaminathan // cfi_endproc 381*1fd5a2e1SPrashanth SwaminathanENDF(ffi_go_closure_STDCALL) 382*1fd5a2e1SPrashanth Swaminathan 383*1fd5a2e1SPrashanth Swaminathan/* For REGISTER, we have no available parameter registers, and so we 384*1fd5a2e1SPrashanth Swaminathan enter here having pushed the closure onto the stack. */ 385*1fd5a2e1SPrashanth Swaminathan 386*1fd5a2e1SPrashanth SwaminathanALIGN 16 387*1fd5a2e1SPrashanth SwaminathanPUBLIC ffi_closure_REGISTER 388*1fd5a2e1SPrashanth Swaminathanffi_closure_REGISTER PROC C 389*1fd5a2e1SPrashanth SwaminathanL(UW24): 390*1fd5a2e1SPrashanth Swaminathan // cfi_startproc 391*1fd5a2e1SPrashanth Swaminathan // cfi_def_cfa(%esp, 8) 392*1fd5a2e1SPrashanth Swaminathan // cfi_offset(%eip, -8) 393*1fd5a2e1SPrashanth Swaminathan sub esp, closure_FS-4 394*1fd5a2e1SPrashanth SwaminathanL(UW25): 395*1fd5a2e1SPrashanth Swaminathan // cfi_def_cfa_offset(closure_FS + 4) 396*1fd5a2e1SPrashanth Swaminathan FFI_CLOSURE_SAVE_REGS 397*1fd5a2e1SPrashanth Swaminathan mov ecx, [esp+closure_FS-4] /* load retaddr */ 398*1fd5a2e1SPrashanth Swaminathan mov eax, [esp+closure_FS] /* load closure */ 399*1fd5a2e1SPrashanth Swaminathan mov [esp+closure_FS], ecx /* move retaddr */ 400*1fd5a2e1SPrashanth Swaminathan jmp L(do_closure_REGISTER) 401*1fd5a2e1SPrashanth SwaminathanL(UW26): 402*1fd5a2e1SPrashanth Swaminathan // cfi_endproc 403*1fd5a2e1SPrashanth SwaminathanENDF(ffi_closure_REGISTER) 404*1fd5a2e1SPrashanth Swaminathan 405*1fd5a2e1SPrashanth Swaminathan/* For STDCALL (and others), we need to pop N bytes of arguments off 406*1fd5a2e1SPrashanth Swaminathan the stack following the closure. The amount needing to be popped 407*1fd5a2e1SPrashanth Swaminathan is returned to us from ffi_closure_inner. */ 408*1fd5a2e1SPrashanth Swaminathan 409*1fd5a2e1SPrashanth SwaminathanALIGN 16 410*1fd5a2e1SPrashanth SwaminathanPUBLIC ffi_closure_STDCALL 411*1fd5a2e1SPrashanth Swaminathanffi_closure_STDCALL PROC C 412*1fd5a2e1SPrashanth SwaminathanL(UW27): 413*1fd5a2e1SPrashanth Swaminathan // cfi_startproc 414*1fd5a2e1SPrashanth Swaminathan sub esp, closure_FS 415*1fd5a2e1SPrashanth SwaminathanL(UW28): 416*1fd5a2e1SPrashanth Swaminathan // cfi_def_cfa_offset(closure_FS + 4) 417*1fd5a2e1SPrashanth Swaminathan 418*1fd5a2e1SPrashanth Swaminathan FFI_CLOSURE_SAVE_REGS 419*1fd5a2e1SPrashanth Swaminathan 420*1fd5a2e1SPrashanth Swaminathan /* Entry point from ffi_closure_REGISTER. */ 421*1fd5a2e1SPrashanth SwaminathanL(do_closure_REGISTER):: 422*1fd5a2e1SPrashanth Swaminathan 423*1fd5a2e1SPrashanth Swaminathan FFI_CLOSURE_COPY_TRAMP_DATA 424*1fd5a2e1SPrashanth Swaminathan 425*1fd5a2e1SPrashanth Swaminathan /* Entry point from preceeding Go closure. */ 426*1fd5a2e1SPrashanth SwaminathanL(do_closure_STDCALL):: 427*1fd5a2e1SPrashanth Swaminathan 428*1fd5a2e1SPrashanth Swaminathan FFI_CLOSURE_PREP_CALL 429*1fd5a2e1SPrashanth Swaminathan FFI_CLOSURE_CALL_INNER(29) 430*1fd5a2e1SPrashanth Swaminathan 431*1fd5a2e1SPrashanth Swaminathan mov ecx, eax 432*1fd5a2e1SPrashanth Swaminathan shr ecx, X86_RET_POP_SHIFT /* isolate pop count */ 433*1fd5a2e1SPrashanth Swaminathan lea ecx, [esp+closure_FS+ecx] /* compute popped esp */ 434*1fd5a2e1SPrashanth Swaminathan mov edx, [esp+closure_FS] /* move return address */ 435*1fd5a2e1SPrashanth Swaminathan mov [ecx], edx 436*1fd5a2e1SPrashanth Swaminathan 437*1fd5a2e1SPrashanth Swaminathan /* From this point on, the value of %esp upon return is %ecx+4, 438*1fd5a2e1SPrashanth Swaminathan and we've copied the return address to %ecx to make return easy. 439*1fd5a2e1SPrashanth Swaminathan There's no point in representing this in the unwind info, as 440*1fd5a2e1SPrashanth Swaminathan there is always a window between the mov and the ret which 441*1fd5a2e1SPrashanth Swaminathan will be wrong from one point of view or another. */ 442*1fd5a2e1SPrashanth Swaminathan 443*1fd5a2e1SPrashanth Swaminathan FFI_CLOSURE_MASK_AND_JUMP L(C1(load_table,3)) 444*1fd5a2e1SPrashanth Swaminathan 445*1fd5a2e1SPrashanth Swaminathan ALIGN 8 446*1fd5a2e1SPrashanth SwaminathanL(load_table3): 447*1fd5a2e1SPrashanth SwaminathanE(L(load_table3), X86_RET_FLOAT) 448*1fd5a2e1SPrashanth Swaminathan fld DWORD PTR [esp+closure_CF] 449*1fd5a2e1SPrashanth Swaminathan mov esp, ecx 450*1fd5a2e1SPrashanth Swaminathan ret 451*1fd5a2e1SPrashanth SwaminathanE(L(load_table3), X86_RET_DOUBLE) 452*1fd5a2e1SPrashanth Swaminathan fld QWORD PTR [esp+closure_CF] 453*1fd5a2e1SPrashanth Swaminathan mov esp, ecx 454*1fd5a2e1SPrashanth Swaminathan ret 455*1fd5a2e1SPrashanth SwaminathanE(L(load_table3), X86_RET_LDOUBLE) 456*1fd5a2e1SPrashanth Swaminathan fld QWORD PTR [esp+closure_CF] 457*1fd5a2e1SPrashanth Swaminathan mov esp, ecx 458*1fd5a2e1SPrashanth Swaminathan ret 459*1fd5a2e1SPrashanth SwaminathanE(L(load_table3), X86_RET_SINT8) 460*1fd5a2e1SPrashanth Swaminathan movsx eax, al 461*1fd5a2e1SPrashanth Swaminathan mov esp, ecx 462*1fd5a2e1SPrashanth Swaminathan ret 463*1fd5a2e1SPrashanth SwaminathanE(L(load_table3), X86_RET_SINT16) 464*1fd5a2e1SPrashanth Swaminathan movsx eax, ax 465*1fd5a2e1SPrashanth Swaminathan mov esp, ecx 466*1fd5a2e1SPrashanth Swaminathan ret 467*1fd5a2e1SPrashanth SwaminathanE(L(load_table3), X86_RET_UINT8) 468*1fd5a2e1SPrashanth Swaminathan movzx eax, al 469*1fd5a2e1SPrashanth Swaminathan mov esp, ecx 470*1fd5a2e1SPrashanth Swaminathan ret 471*1fd5a2e1SPrashanth SwaminathanE(L(load_table3), X86_RET_UINT16) 472*1fd5a2e1SPrashanth Swaminathan movzx eax, ax 473*1fd5a2e1SPrashanth Swaminathan mov esp, ecx 474*1fd5a2e1SPrashanth Swaminathan ret 475*1fd5a2e1SPrashanth SwaminathanE(L(load_table3), X86_RET_INT64) 476*1fd5a2e1SPrashanth Swaminathan mov edx, [esp+closure_CF+4] 477*1fd5a2e1SPrashanth Swaminathan mov esp, ecx 478*1fd5a2e1SPrashanth Swaminathan ret 479*1fd5a2e1SPrashanth SwaminathanE(L(load_table3), X86_RET_int 32) 480*1fd5a2e1SPrashanth Swaminathan mov esp, ecx 481*1fd5a2e1SPrashanth Swaminathan ret 482*1fd5a2e1SPrashanth SwaminathanE(L(load_table3), X86_RET_VOID) 483*1fd5a2e1SPrashanth Swaminathan mov esp, ecx 484*1fd5a2e1SPrashanth Swaminathan ret 485*1fd5a2e1SPrashanth SwaminathanE(L(load_table3), X86_RET_STRUCTPOP) 486*1fd5a2e1SPrashanth Swaminathan mov esp, ecx 487*1fd5a2e1SPrashanth Swaminathan ret 488*1fd5a2e1SPrashanth SwaminathanE(L(load_table3), X86_RET_STRUCTARG) 489*1fd5a2e1SPrashanth Swaminathan mov esp, ecx 490*1fd5a2e1SPrashanth Swaminathan ret 491*1fd5a2e1SPrashanth SwaminathanE(L(load_table3), X86_RET_STRUCT_1B) 492*1fd5a2e1SPrashanth Swaminathan movzx eax, al 493*1fd5a2e1SPrashanth Swaminathan mov esp, ecx 494*1fd5a2e1SPrashanth Swaminathan ret 495*1fd5a2e1SPrashanth SwaminathanE(L(load_table3), X86_RET_STRUCT_2B) 496*1fd5a2e1SPrashanth Swaminathan movzx eax, ax 497*1fd5a2e1SPrashanth Swaminathan mov esp, ecx 498*1fd5a2e1SPrashanth Swaminathan ret 499*1fd5a2e1SPrashanth Swaminathan 500*1fd5a2e1SPrashanth Swaminathan /* Fill out the table so that bad values are predictable. */ 501*1fd5a2e1SPrashanth SwaminathanE(L(load_table3), X86_RET_UNUSED14) 502*1fd5a2e1SPrashanth Swaminathan int 3 503*1fd5a2e1SPrashanth SwaminathanE(L(load_table3), X86_RET_UNUSED15) 504*1fd5a2e1SPrashanth Swaminathan int 3 505*1fd5a2e1SPrashanth Swaminathan 506*1fd5a2e1SPrashanth SwaminathanL(UW31): 507*1fd5a2e1SPrashanth Swaminathan // cfi_endproc 508*1fd5a2e1SPrashanth SwaminathanENDF(ffi_closure_STDCALL) 509*1fd5a2e1SPrashanth Swaminathan 510*1fd5a2e1SPrashanth Swaminathan#if !FFI_NO_RAW_API 511*1fd5a2e1SPrashanth Swaminathan 512*1fd5a2e1SPrashanth Swaminathan#define raw_closure_S_FS (16+16+12) 513*1fd5a2e1SPrashanth Swaminathan 514*1fd5a2e1SPrashanth SwaminathanALIGN 16 515*1fd5a2e1SPrashanth SwaminathanPUBLIC ffi_closure_raw_SYSV 516*1fd5a2e1SPrashanth Swaminathanffi_closure_raw_SYSV PROC C 517*1fd5a2e1SPrashanth SwaminathanL(UW32): 518*1fd5a2e1SPrashanth Swaminathan // cfi_startproc 519*1fd5a2e1SPrashanth Swaminathan sub esp, raw_closure_S_FS 520*1fd5a2e1SPrashanth SwaminathanL(UW33): 521*1fd5a2e1SPrashanth Swaminathan // cfi_def_cfa_offset(raw_closure_S_FS + 4) 522*1fd5a2e1SPrashanth Swaminathan mov [esp+raw_closure_S_FS-4], ebx 523*1fd5a2e1SPrashanth SwaminathanL(UW34): 524*1fd5a2e1SPrashanth Swaminathan // cfi_rel_offset(%ebx, raw_closure_S_FS-4) 525*1fd5a2e1SPrashanth Swaminathan 526*1fd5a2e1SPrashanth Swaminathan mov edx, [eax+FFI_TRAMPOLINE_SIZE+8] /* load cl->user_data */ 527*1fd5a2e1SPrashanth Swaminathan mov [esp+12], edx 528*1fd5a2e1SPrashanth Swaminathan lea edx, [esp+raw_closure_S_FS+4] /* load raw_args */ 529*1fd5a2e1SPrashanth Swaminathan mov [esp+8], edx 530*1fd5a2e1SPrashanth Swaminathan lea edx, [esp+16] /* load &res */ 531*1fd5a2e1SPrashanth Swaminathan mov [esp+4], edx 532*1fd5a2e1SPrashanth Swaminathan mov ebx, [eax+FFI_TRAMPOLINE_SIZE] /* load cl->cif */ 533*1fd5a2e1SPrashanth Swaminathan mov [esp], ebx 534*1fd5a2e1SPrashanth Swaminathan call DWORD PTR [eax+FFI_TRAMPOLINE_SIZE+4] /* call cl->fun */ 535*1fd5a2e1SPrashanth Swaminathan 536*1fd5a2e1SPrashanth Swaminathan mov eax, [ebx+20] /* load cif->flags */ 537*1fd5a2e1SPrashanth Swaminathan and eax, X86_RET_TYPE_MASK 538*1fd5a2e1SPrashanth Swaminathan// #ifdef __PIC__ 539*1fd5a2e1SPrashanth Swaminathan// call __x86.get_pc_thunk.bx 540*1fd5a2e1SPrashanth Swaminathan// L(pc4): 541*1fd5a2e1SPrashanth Swaminathan// lea ecx, L(load_table4)-L(pc4)(%ebx, %eax, 8), %ecx 542*1fd5a2e1SPrashanth Swaminathan// #else 543*1fd5a2e1SPrashanth Swaminathan lea ecx, [L(load_table4)+eax+8] 544*1fd5a2e1SPrashanth Swaminathan// #endif 545*1fd5a2e1SPrashanth Swaminathan mov ebx, [esp+raw_closure_S_FS-4] 546*1fd5a2e1SPrashanth SwaminathanL(UW35): 547*1fd5a2e1SPrashanth Swaminathan // cfi_restore(%ebx) 548*1fd5a2e1SPrashanth Swaminathan mov eax, [esp+16] /* Optimistic load */ 549*1fd5a2e1SPrashanth Swaminathan jmp dword ptr [ecx] 550*1fd5a2e1SPrashanth Swaminathan 551*1fd5a2e1SPrashanth Swaminathan ALIGN 8 552*1fd5a2e1SPrashanth SwaminathanL(load_table4): 553*1fd5a2e1SPrashanth SwaminathanE(L(load_table4), X86_RET_FLOAT) 554*1fd5a2e1SPrashanth Swaminathan fld DWORD PTR [esp +16] 555*1fd5a2e1SPrashanth Swaminathan jmp L(e4) 556*1fd5a2e1SPrashanth SwaminathanE(L(load_table4), X86_RET_DOUBLE) 557*1fd5a2e1SPrashanth Swaminathan fld QWORD PTR [esp +16] 558*1fd5a2e1SPrashanth Swaminathan jmp L(e4) 559*1fd5a2e1SPrashanth SwaminathanE(L(load_table4), X86_RET_LDOUBLE) 560*1fd5a2e1SPrashanth Swaminathan fld QWORD PTR [esp +16] 561*1fd5a2e1SPrashanth Swaminathan jmp L(e4) 562*1fd5a2e1SPrashanth SwaminathanE(L(load_table4), X86_RET_SINT8) 563*1fd5a2e1SPrashanth Swaminathan movsx eax, al 564*1fd5a2e1SPrashanth Swaminathan jmp L(e4) 565*1fd5a2e1SPrashanth SwaminathanE(L(load_table4), X86_RET_SINT16) 566*1fd5a2e1SPrashanth Swaminathan movsx eax, ax 567*1fd5a2e1SPrashanth Swaminathan jmp L(e4) 568*1fd5a2e1SPrashanth SwaminathanE(L(load_table4), X86_RET_UINT8) 569*1fd5a2e1SPrashanth Swaminathan movzx eax, al 570*1fd5a2e1SPrashanth Swaminathan jmp L(e4) 571*1fd5a2e1SPrashanth SwaminathanE(L(load_table4), X86_RET_UINT16) 572*1fd5a2e1SPrashanth Swaminathan movzx eax, ax 573*1fd5a2e1SPrashanth Swaminathan jmp L(e4) 574*1fd5a2e1SPrashanth SwaminathanE(L(load_table4), X86_RET_INT64) 575*1fd5a2e1SPrashanth Swaminathan mov edx, [esp+16+4] 576*1fd5a2e1SPrashanth Swaminathan jmp L(e4) 577*1fd5a2e1SPrashanth SwaminathanE(L(load_table4), X86_RET_int 32) 578*1fd5a2e1SPrashanth Swaminathan nop 579*1fd5a2e1SPrashanth Swaminathan /* fallthru */ 580*1fd5a2e1SPrashanth SwaminathanE(L(load_table4), X86_RET_VOID) 581*1fd5a2e1SPrashanth SwaminathanL(e4): 582*1fd5a2e1SPrashanth Swaminathan add esp, raw_closure_S_FS 583*1fd5a2e1SPrashanth SwaminathanL(UW36): 584*1fd5a2e1SPrashanth Swaminathan // cfi_adjust_cfa_offset(-raw_closure_S_FS) 585*1fd5a2e1SPrashanth Swaminathan ret 586*1fd5a2e1SPrashanth SwaminathanL(UW37): 587*1fd5a2e1SPrashanth Swaminathan // cfi_adjust_cfa_offset(raw_closure_S_FS) 588*1fd5a2e1SPrashanth SwaminathanE(L(load_table4), X86_RET_STRUCTPOP) 589*1fd5a2e1SPrashanth Swaminathan add esp, raw_closure_S_FS 590*1fd5a2e1SPrashanth SwaminathanL(UW38): 591*1fd5a2e1SPrashanth Swaminathan // cfi_adjust_cfa_offset(-raw_closure_S_FS) 592*1fd5a2e1SPrashanth Swaminathan ret 4 593*1fd5a2e1SPrashanth SwaminathanL(UW39): 594*1fd5a2e1SPrashanth Swaminathan // cfi_adjust_cfa_offset(raw_closure_S_FS) 595*1fd5a2e1SPrashanth SwaminathanE(L(load_table4), X86_RET_STRUCTARG) 596*1fd5a2e1SPrashanth Swaminathan jmp L(e4) 597*1fd5a2e1SPrashanth SwaminathanE(L(load_table4), X86_RET_STRUCT_1B) 598*1fd5a2e1SPrashanth Swaminathan movzx eax, al 599*1fd5a2e1SPrashanth Swaminathan jmp L(e4) 600*1fd5a2e1SPrashanth SwaminathanE(L(load_table4), X86_RET_STRUCT_2B) 601*1fd5a2e1SPrashanth Swaminathan movzx eax, ax 602*1fd5a2e1SPrashanth Swaminathan jmp L(e4) 603*1fd5a2e1SPrashanth Swaminathan 604*1fd5a2e1SPrashanth Swaminathan /* Fill out the table so that bad values are predictable. */ 605*1fd5a2e1SPrashanth SwaminathanE(L(load_table4), X86_RET_UNUSED14) 606*1fd5a2e1SPrashanth Swaminathan int 3 607*1fd5a2e1SPrashanth SwaminathanE(L(load_table4), X86_RET_UNUSED15) 608*1fd5a2e1SPrashanth Swaminathan int 3 609*1fd5a2e1SPrashanth Swaminathan 610*1fd5a2e1SPrashanth SwaminathanL(UW40): 611*1fd5a2e1SPrashanth Swaminathan // cfi_endproc 612*1fd5a2e1SPrashanth SwaminathanENDF(ffi_closure_raw_SYSV) 613*1fd5a2e1SPrashanth Swaminathan 614*1fd5a2e1SPrashanth Swaminathan#define raw_closure_T_FS (16+16+8) 615*1fd5a2e1SPrashanth Swaminathan 616*1fd5a2e1SPrashanth SwaminathanALIGN 16 617*1fd5a2e1SPrashanth SwaminathanPUBLIC ffi_closure_raw_THISCALL 618*1fd5a2e1SPrashanth Swaminathanffi_closure_raw_THISCALL PROC C 619*1fd5a2e1SPrashanth SwaminathanL(UW41): 620*1fd5a2e1SPrashanth Swaminathan // cfi_startproc 621*1fd5a2e1SPrashanth Swaminathan /* Rearrange the stack such that %ecx is the first argument. 622*1fd5a2e1SPrashanth Swaminathan This means moving the return address. */ 623*1fd5a2e1SPrashanth Swaminathan pop edx 624*1fd5a2e1SPrashanth SwaminathanL(UW42): 625*1fd5a2e1SPrashanth Swaminathan // cfi_def_cfa_offset(0) 626*1fd5a2e1SPrashanth Swaminathan // cfi_register(%eip, %edx) 627*1fd5a2e1SPrashanth Swaminathan push ecx 628*1fd5a2e1SPrashanth SwaminathanL(UW43): 629*1fd5a2e1SPrashanth Swaminathan // cfi_adjust_cfa_offset(4) 630*1fd5a2e1SPrashanth Swaminathan push edx 631*1fd5a2e1SPrashanth SwaminathanL(UW44): 632*1fd5a2e1SPrashanth Swaminathan // cfi_adjust_cfa_offset(4) 633*1fd5a2e1SPrashanth Swaminathan // cfi_rel_offset(%eip, 0) 634*1fd5a2e1SPrashanth Swaminathan sub esp, raw_closure_T_FS 635*1fd5a2e1SPrashanth SwaminathanL(UW45): 636*1fd5a2e1SPrashanth Swaminathan // cfi_adjust_cfa_offset(raw_closure_T_FS) 637*1fd5a2e1SPrashanth Swaminathan mov [esp+raw_closure_T_FS-4], ebx 638*1fd5a2e1SPrashanth SwaminathanL(UW46): 639*1fd5a2e1SPrashanth Swaminathan // cfi_rel_offset(%ebx, raw_closure_T_FS-4) 640*1fd5a2e1SPrashanth Swaminathan 641*1fd5a2e1SPrashanth Swaminathan mov edx, [eax+FFI_TRAMPOLINE_SIZE+8] /* load cl->user_data */ 642*1fd5a2e1SPrashanth Swaminathan mov [esp+12], edx 643*1fd5a2e1SPrashanth Swaminathan lea edx, [esp+raw_closure_T_FS+4] /* load raw_args */ 644*1fd5a2e1SPrashanth Swaminathan mov [esp+8], edx 645*1fd5a2e1SPrashanth Swaminathan lea edx, [esp+16] /* load &res */ 646*1fd5a2e1SPrashanth Swaminathan mov [esp+4], edx 647*1fd5a2e1SPrashanth Swaminathan mov ebx, [eax+FFI_TRAMPOLINE_SIZE] /* load cl->cif */ 648*1fd5a2e1SPrashanth Swaminathan mov [esp], ebx 649*1fd5a2e1SPrashanth Swaminathan call DWORD PTR [eax+FFI_TRAMPOLINE_SIZE+4] /* call cl->fun */ 650*1fd5a2e1SPrashanth Swaminathan 651*1fd5a2e1SPrashanth Swaminathan mov eax, [ebx+20] /* load cif->flags */ 652*1fd5a2e1SPrashanth Swaminathan and eax, X86_RET_TYPE_MASK 653*1fd5a2e1SPrashanth Swaminathan// #ifdef __PIC__ 654*1fd5a2e1SPrashanth Swaminathan// call __x86.get_pc_thunk.bx 655*1fd5a2e1SPrashanth Swaminathan// L(pc5): 656*1fd5a2e1SPrashanth Swaminathan// leal L(load_table5)-L(pc5)(%ebx, %eax, 8), %ecx 657*1fd5a2e1SPrashanth Swaminathan// #else 658*1fd5a2e1SPrashanth Swaminathan lea ecx, [L(load_table5)+eax*8] 659*1fd5a2e1SPrashanth Swaminathan//#endif 660*1fd5a2e1SPrashanth Swaminathan mov ebx, [esp+raw_closure_T_FS-4] 661*1fd5a2e1SPrashanth SwaminathanL(UW47): 662*1fd5a2e1SPrashanth Swaminathan // cfi_restore(%ebx) 663*1fd5a2e1SPrashanth Swaminathan mov eax, [esp+16] /* Optimistic load */ 664*1fd5a2e1SPrashanth Swaminathan jmp DWORD PTR [ecx] 665*1fd5a2e1SPrashanth Swaminathan 666*1fd5a2e1SPrashanth Swaminathan AlIGN 4 667*1fd5a2e1SPrashanth SwaminathanL(load_table5): 668*1fd5a2e1SPrashanth SwaminathanE(L(load_table5), X86_RET_FLOAT) 669*1fd5a2e1SPrashanth Swaminathan fld DWORD PTR [esp +16] 670*1fd5a2e1SPrashanth Swaminathan jmp L(e5) 671*1fd5a2e1SPrashanth SwaminathanE(L(load_table5), X86_RET_DOUBLE) 672*1fd5a2e1SPrashanth Swaminathan fld QWORD PTR [esp +16] 673*1fd5a2e1SPrashanth Swaminathan jmp L(e5) 674*1fd5a2e1SPrashanth SwaminathanE(L(load_table5), X86_RET_LDOUBLE) 675*1fd5a2e1SPrashanth Swaminathan fld QWORD PTR [esp+16] 676*1fd5a2e1SPrashanth Swaminathan jmp L(e5) 677*1fd5a2e1SPrashanth SwaminathanE(L(load_table5), X86_RET_SINT8) 678*1fd5a2e1SPrashanth Swaminathan movsx eax, al 679*1fd5a2e1SPrashanth Swaminathan jmp L(e5) 680*1fd5a2e1SPrashanth SwaminathanE(L(load_table5), X86_RET_SINT16) 681*1fd5a2e1SPrashanth Swaminathan movsx eax, ax 682*1fd5a2e1SPrashanth Swaminathan jmp L(e5) 683*1fd5a2e1SPrashanth SwaminathanE(L(load_table5), X86_RET_UINT8) 684*1fd5a2e1SPrashanth Swaminathan movzx eax, al 685*1fd5a2e1SPrashanth Swaminathan jmp L(e5) 686*1fd5a2e1SPrashanth SwaminathanE(L(load_table5), X86_RET_UINT16) 687*1fd5a2e1SPrashanth Swaminathan movzx eax, ax 688*1fd5a2e1SPrashanth Swaminathan jmp L(e5) 689*1fd5a2e1SPrashanth SwaminathanE(L(load_table5), X86_RET_INT64) 690*1fd5a2e1SPrashanth Swaminathan mov edx, [esp+16+4] 691*1fd5a2e1SPrashanth Swaminathan jmp L(e5) 692*1fd5a2e1SPrashanth SwaminathanE(L(load_table5), X86_RET_int 32) 693*1fd5a2e1SPrashanth Swaminathan nop 694*1fd5a2e1SPrashanth Swaminathan /* fallthru */ 695*1fd5a2e1SPrashanth SwaminathanE(L(load_table5), X86_RET_VOID) 696*1fd5a2e1SPrashanth SwaminathanL(e5): 697*1fd5a2e1SPrashanth Swaminathan add esp, raw_closure_T_FS 698*1fd5a2e1SPrashanth SwaminathanL(UW48): 699*1fd5a2e1SPrashanth Swaminathan // cfi_adjust_cfa_offset(-raw_closure_T_FS) 700*1fd5a2e1SPrashanth Swaminathan /* Remove the extra %ecx argument we pushed. */ 701*1fd5a2e1SPrashanth Swaminathan ret 4 702*1fd5a2e1SPrashanth SwaminathanL(UW49): 703*1fd5a2e1SPrashanth Swaminathan // cfi_adjust_cfa_offset(raw_closure_T_FS) 704*1fd5a2e1SPrashanth SwaminathanE(L(load_table5), X86_RET_STRUCTPOP) 705*1fd5a2e1SPrashanth Swaminathan add esp, raw_closure_T_FS 706*1fd5a2e1SPrashanth SwaminathanL(UW50): 707*1fd5a2e1SPrashanth Swaminathan // cfi_adjust_cfa_offset(-raw_closure_T_FS) 708*1fd5a2e1SPrashanth Swaminathan ret 8 709*1fd5a2e1SPrashanth SwaminathanL(UW51): 710*1fd5a2e1SPrashanth Swaminathan // cfi_adjust_cfa_offset(raw_closure_T_FS) 711*1fd5a2e1SPrashanth SwaminathanE(L(load_table5), X86_RET_STRUCTARG) 712*1fd5a2e1SPrashanth Swaminathan jmp L(e5) 713*1fd5a2e1SPrashanth SwaminathanE(L(load_table5), X86_RET_STRUCT_1B) 714*1fd5a2e1SPrashanth Swaminathan movzx eax, al 715*1fd5a2e1SPrashanth Swaminathan jmp L(e5) 716*1fd5a2e1SPrashanth SwaminathanE(L(load_table5), X86_RET_STRUCT_2B) 717*1fd5a2e1SPrashanth Swaminathan movzx eax, ax 718*1fd5a2e1SPrashanth Swaminathan jmp L(e5) 719*1fd5a2e1SPrashanth Swaminathan 720*1fd5a2e1SPrashanth Swaminathan /* Fill out the table so that bad values are predictable. */ 721*1fd5a2e1SPrashanth SwaminathanE(L(load_table5), X86_RET_UNUSED14) 722*1fd5a2e1SPrashanth Swaminathan int 3 723*1fd5a2e1SPrashanth SwaminathanE(L(load_table5), X86_RET_UNUSED15) 724*1fd5a2e1SPrashanth Swaminathan int 3 725*1fd5a2e1SPrashanth Swaminathan 726*1fd5a2e1SPrashanth SwaminathanL(UW52): 727*1fd5a2e1SPrashanth Swaminathan // cfi_endproc 728*1fd5a2e1SPrashanth SwaminathanENDF(ffi_closure_raw_THISCALL) 729*1fd5a2e1SPrashanth Swaminathan 730*1fd5a2e1SPrashanth Swaminathan#endif /* !FFI_NO_RAW_API */ 731*1fd5a2e1SPrashanth Swaminathan 732*1fd5a2e1SPrashanth Swaminathan#ifdef X86_DARWIN 733*1fd5a2e1SPrashanth Swaminathan# define COMDAT(X) \ 734*1fd5a2e1SPrashanth Swaminathan .section __TEXT,__text,coalesced,pure_instructions; \ 735*1fd5a2e1SPrashanth Swaminathan .weak_definition X; \ 736*1fd5a2e1SPrashanth Swaminathan FFI_HIDDEN(X) 737*1fd5a2e1SPrashanth Swaminathan#elif defined __ELF__ && !(defined(__sun__) && defined(__svr4__)) 738*1fd5a2e1SPrashanth Swaminathan# define COMDAT(X) \ 739*1fd5a2e1SPrashanth Swaminathan .section .text.X,"axG",@progbits,X,comdat; \ 740*1fd5a2e1SPrashanth Swaminathan PUBLIC X; \ 741*1fd5a2e1SPrashanth Swaminathan FFI_HIDDEN(X) 742*1fd5a2e1SPrashanth Swaminathan#else 743*1fd5a2e1SPrashanth Swaminathan# define COMDAT(X) 744*1fd5a2e1SPrashanth Swaminathan#endif 745*1fd5a2e1SPrashanth Swaminathan 746*1fd5a2e1SPrashanth Swaminathan// #if defined(__PIC__) 747*1fd5a2e1SPrashanth Swaminathan// COMDAT(C(__x86.get_pc_thunk.bx)) 748*1fd5a2e1SPrashanth Swaminathan// C(__x86.get_pc_thunk.bx): 749*1fd5a2e1SPrashanth Swaminathan// movl (%esp), %ebx 750*1fd5a2e1SPrashanth Swaminathan// ret 751*1fd5a2e1SPrashanth Swaminathan// ENDF(C(__x86.get_pc_thunk.bx)) 752*1fd5a2e1SPrashanth Swaminathan// # if defined X86_DARWIN || defined HAVE_HIDDEN_VISIBILITY_ATTRIBUTE 753*1fd5a2e1SPrashanth Swaminathan// COMDAT(C(__x86.get_pc_thunk.dx)) 754*1fd5a2e1SPrashanth Swaminathan// C(__x86.get_pc_thunk.dx): 755*1fd5a2e1SPrashanth Swaminathan// movl (%esp), %edx 756*1fd5a2e1SPrashanth Swaminathan// ret 757*1fd5a2e1SPrashanth Swaminathan// ENDF(C(__x86.get_pc_thunk.dx)) 758*1fd5a2e1SPrashanth Swaminathan// #endif /* DARWIN || HIDDEN */ 759*1fd5a2e1SPrashanth Swaminathan// #endif /* __PIC__ */ 760*1fd5a2e1SPrashanth Swaminathan 761*1fd5a2e1SPrashanth Swaminathan#if 0 762*1fd5a2e1SPrashanth Swaminathan/* Sadly, OSX cctools-as doesn't understand .cfi directives at all. */ 763*1fd5a2e1SPrashanth Swaminathan 764*1fd5a2e1SPrashanth Swaminathan#ifdef __APPLE__ 765*1fd5a2e1SPrashanth Swaminathan.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support 766*1fd5a2e1SPrashanth SwaminathanEHFrame0: 767*1fd5a2e1SPrashanth Swaminathan#elif defined(X86_WIN32) 768*1fd5a2e1SPrashanth Swaminathan.section .eh_frame,"r" 769*1fd5a2e1SPrashanth Swaminathan#elif defined(HAVE_AS_X86_64_UNWIND_SECTION_TYPE) 770*1fd5a2e1SPrashanth Swaminathan.section .eh_frame,EH_FRAME_FLAGS,@unwind 771*1fd5a2e1SPrashanth Swaminathan#else 772*1fd5a2e1SPrashanth Swaminathan.section .eh_frame,EH_FRAME_FLAGS,@progbits 773*1fd5a2e1SPrashanth Swaminathan#endif 774*1fd5a2e1SPrashanth Swaminathan 775*1fd5a2e1SPrashanth Swaminathan#ifdef HAVE_AS_X86_PCREL 776*1fd5a2e1SPrashanth Swaminathan# define PCREL(X) X - . 777*1fd5a2e1SPrashanth Swaminathan#else 778*1fd5a2e1SPrashanth Swaminathan# define PCREL(X) X@rel 779*1fd5a2e1SPrashanth Swaminathan#endif 780*1fd5a2e1SPrashanth Swaminathan 781*1fd5a2e1SPrashanth Swaminathan/* Simplify advancing between labels. Assume DW_CFA_advance_loc1 fits. */ 782*1fd5a2e1SPrashanth Swaminathan#define ADV(N, P) .byte 2, L(N)-L(P) 783*1fd5a2e1SPrashanth Swaminathan 784*1fd5a2e1SPrashanth Swaminathan .balign 4 785*1fd5a2e1SPrashanth SwaminathanL(CIE): 786*1fd5a2e1SPrashanth Swaminathan .set L(set0),L(ECIE)-L(SCIE) 787*1fd5a2e1SPrashanth Swaminathan .long L(set0) /* CIE Length */ 788*1fd5a2e1SPrashanth SwaminathanL(SCIE): 789*1fd5a2e1SPrashanth Swaminathan .long 0 /* CIE Identifier Tag */ 790*1fd5a2e1SPrashanth Swaminathan .byte 1 /* CIE Version */ 791*1fd5a2e1SPrashanth Swaminathan .ascii "zR\0" /* CIE Augmentation */ 792*1fd5a2e1SPrashanth Swaminathan .byte 1 /* CIE Code Alignment Factor */ 793*1fd5a2e1SPrashanth Swaminathan .byte 0x7c /* CIE Data Alignment Factor */ 794*1fd5a2e1SPrashanth Swaminathan .byte 0x8 /* CIE RA Column */ 795*1fd5a2e1SPrashanth Swaminathan .byte 1 /* Augmentation size */ 796*1fd5a2e1SPrashanth Swaminathan .byte 0x1b /* FDE Encoding (pcrel sdata4) */ 797*1fd5a2e1SPrashanth Swaminathan .byte 0xc, 4, 4 /* DW_CFA_def_cfa, %esp offset 4 */ 798*1fd5a2e1SPrashanth Swaminathan .byte 0x80+8, 1 /* DW_CFA_offset, %eip offset 1*-4 */ 799*1fd5a2e1SPrashanth Swaminathan .balign 4 800*1fd5a2e1SPrashanth SwaminathanL(ECIE): 801*1fd5a2e1SPrashanth Swaminathan 802*1fd5a2e1SPrashanth Swaminathan .set L(set1),L(EFDE1)-L(SFDE1) 803*1fd5a2e1SPrashanth Swaminathan .long L(set1) /* FDE Length */ 804*1fd5a2e1SPrashanth SwaminathanL(SFDE1): 805*1fd5a2e1SPrashanth Swaminathan .long L(SFDE1)-L(CIE) /* FDE CIE offset */ 806*1fd5a2e1SPrashanth Swaminathan .long PCREL(L(UW0)) /* Initial location */ 807*1fd5a2e1SPrashanth Swaminathan .long L(UW5)-L(UW0) /* Address range */ 808*1fd5a2e1SPrashanth Swaminathan .byte 0 /* Augmentation size */ 809*1fd5a2e1SPrashanth Swaminathan ADV(UW1, UW0) 810*1fd5a2e1SPrashanth Swaminathan .byte 0xc, 5, 8 /* DW_CFA_def_cfa, %ebp 8 */ 811*1fd5a2e1SPrashanth Swaminathan .byte 0x80+5, 2 /* DW_CFA_offset, %ebp 2*-4 */ 812*1fd5a2e1SPrashanth Swaminathan ADV(UW2, UW1) 813*1fd5a2e1SPrashanth Swaminathan .byte 0x80+3, 0 /* DW_CFA_offset, %ebx 0*-4 */ 814*1fd5a2e1SPrashanth Swaminathan ADV(UW3, UW2) 815*1fd5a2e1SPrashanth Swaminathan .byte 0xa /* DW_CFA_remember_state */ 816*1fd5a2e1SPrashanth Swaminathan .byte 0xc, 4, 4 /* DW_CFA_def_cfa, %esp 4 */ 817*1fd5a2e1SPrashanth Swaminathan .byte 0xc0+3 /* DW_CFA_restore, %ebx */ 818*1fd5a2e1SPrashanth Swaminathan .byte 0xc0+5 /* DW_CFA_restore, %ebp */ 819*1fd5a2e1SPrashanth Swaminathan ADV(UW4, UW3) 820*1fd5a2e1SPrashanth Swaminathan .byte 0xb /* DW_CFA_restore_state */ 821*1fd5a2e1SPrashanth Swaminathan .balign 4 822*1fd5a2e1SPrashanth SwaminathanL(EFDE1): 823*1fd5a2e1SPrashanth Swaminathan 824*1fd5a2e1SPrashanth Swaminathan .set L(set2),L(EFDE2)-L(SFDE2) 825*1fd5a2e1SPrashanth Swaminathan .long L(set2) /* FDE Length */ 826*1fd5a2e1SPrashanth SwaminathanL(SFDE2): 827*1fd5a2e1SPrashanth Swaminathan .long L(SFDE2)-L(CIE) /* FDE CIE offset */ 828*1fd5a2e1SPrashanth Swaminathan .long PCREL(L(UW6)) /* Initial location */ 829*1fd5a2e1SPrashanth Swaminathan .long L(UW8)-L(UW6) /* Address range */ 830*1fd5a2e1SPrashanth Swaminathan .byte 0 /* Augmentation size */ 831*1fd5a2e1SPrashanth Swaminathan ADV(UW7, UW6) 832*1fd5a2e1SPrashanth Swaminathan .byte 0xe, closure_FS+4 /* DW_CFA_def_cfa_offset */ 833*1fd5a2e1SPrashanth Swaminathan .balign 4 834*1fd5a2e1SPrashanth SwaminathanL(EFDE2): 835*1fd5a2e1SPrashanth Swaminathan 836*1fd5a2e1SPrashanth Swaminathan .set L(set3),L(EFDE3)-L(SFDE3) 837*1fd5a2e1SPrashanth Swaminathan .long L(set3) /* FDE Length */ 838*1fd5a2e1SPrashanth SwaminathanL(SFDE3): 839*1fd5a2e1SPrashanth Swaminathan .long L(SFDE3)-L(CIE) /* FDE CIE offset */ 840*1fd5a2e1SPrashanth Swaminathan .long PCREL(L(UW9)) /* Initial location */ 841*1fd5a2e1SPrashanth Swaminathan .long L(UW11)-L(UW9) /* Address range */ 842*1fd5a2e1SPrashanth Swaminathan .byte 0 /* Augmentation size */ 843*1fd5a2e1SPrashanth Swaminathan ADV(UW10, UW9) 844*1fd5a2e1SPrashanth Swaminathan .byte 0xe, closure_FS+4 /* DW_CFA_def_cfa_offset */ 845*1fd5a2e1SPrashanth Swaminathan .balign 4 846*1fd5a2e1SPrashanth SwaminathanL(EFDE3): 847*1fd5a2e1SPrashanth Swaminathan 848*1fd5a2e1SPrashanth Swaminathan .set L(set4),L(EFDE4)-L(SFDE4) 849*1fd5a2e1SPrashanth Swaminathan .long L(set4) /* FDE Length */ 850*1fd5a2e1SPrashanth SwaminathanL(SFDE4): 851*1fd5a2e1SPrashanth Swaminathan .long L(SFDE4)-L(CIE) /* FDE CIE offset */ 852*1fd5a2e1SPrashanth Swaminathan .long PCREL(L(UW12)) /* Initial location */ 853*1fd5a2e1SPrashanth Swaminathan .long L(UW20)-L(UW12) /* Address range */ 854*1fd5a2e1SPrashanth Swaminathan .byte 0 /* Augmentation size */ 855*1fd5a2e1SPrashanth Swaminathan ADV(UW13, UW12) 856*1fd5a2e1SPrashanth Swaminathan .byte 0xe, closure_FS+4 /* DW_CFA_def_cfa_offset */ 857*1fd5a2e1SPrashanth Swaminathan#ifdef FFI_CLOSURE_CALL_INNER_SAVE_EBX 858*1fd5a2e1SPrashanth Swaminathan ADV(UW14, UW13) 859*1fd5a2e1SPrashanth Swaminathan .byte 0x80+3, (40-(closure_FS+4))/-4 /* DW_CFA_offset %ebx */ 860*1fd5a2e1SPrashanth Swaminathan ADV(UW15, UW14) 861*1fd5a2e1SPrashanth Swaminathan .byte 0xc0+3 /* DW_CFA_restore %ebx */ 862*1fd5a2e1SPrashanth Swaminathan ADV(UW16, UW15) 863*1fd5a2e1SPrashanth Swaminathan#else 864*1fd5a2e1SPrashanth Swaminathan ADV(UW16, UW13) 865*1fd5a2e1SPrashanth Swaminathan#endif 866*1fd5a2e1SPrashanth Swaminathan .byte 0xe, 4 /* DW_CFA_def_cfa_offset */ 867*1fd5a2e1SPrashanth Swaminathan ADV(UW17, UW16) 868*1fd5a2e1SPrashanth Swaminathan .byte 0xe, closure_FS+4 /* DW_CFA_def_cfa_offset */ 869*1fd5a2e1SPrashanth Swaminathan ADV(UW18, UW17) 870*1fd5a2e1SPrashanth Swaminathan .byte 0xe, 4 /* DW_CFA_def_cfa_offset */ 871*1fd5a2e1SPrashanth Swaminathan ADV(UW19, UW18) 872*1fd5a2e1SPrashanth Swaminathan .byte 0xe, closure_FS+4 /* DW_CFA_def_cfa_offset */ 873*1fd5a2e1SPrashanth Swaminathan .balign 4 874*1fd5a2e1SPrashanth SwaminathanL(EFDE4): 875*1fd5a2e1SPrashanth Swaminathan 876*1fd5a2e1SPrashanth Swaminathan .set L(set5),L(EFDE5)-L(SFDE5) 877*1fd5a2e1SPrashanth Swaminathan .long L(set5) /* FDE Length */ 878*1fd5a2e1SPrashanth SwaminathanL(SFDE5): 879*1fd5a2e1SPrashanth Swaminathan .long L(SFDE5)-L(CIE) /* FDE CIE offset */ 880*1fd5a2e1SPrashanth Swaminathan .long PCREL(L(UW21)) /* Initial location */ 881*1fd5a2e1SPrashanth Swaminathan .long L(UW23)-L(UW21) /* Address range */ 882*1fd5a2e1SPrashanth Swaminathan .byte 0 /* Augmentation size */ 883*1fd5a2e1SPrashanth Swaminathan ADV(UW22, UW21) 884*1fd5a2e1SPrashanth Swaminathan .byte 0xe, closure_FS+4 /* DW_CFA_def_cfa_offset */ 885*1fd5a2e1SPrashanth Swaminathan .balign 4 886*1fd5a2e1SPrashanth SwaminathanL(EFDE5): 887*1fd5a2e1SPrashanth Swaminathan 888*1fd5a2e1SPrashanth Swaminathan .set L(set6),L(EFDE6)-L(SFDE6) 889*1fd5a2e1SPrashanth Swaminathan .long L(set6) /* FDE Length */ 890*1fd5a2e1SPrashanth SwaminathanL(SFDE6): 891*1fd5a2e1SPrashanth Swaminathan .long L(SFDE6)-L(CIE) /* FDE CIE offset */ 892*1fd5a2e1SPrashanth Swaminathan .long PCREL(L(UW24)) /* Initial location */ 893*1fd5a2e1SPrashanth Swaminathan .long L(UW26)-L(UW24) /* Address range */ 894*1fd5a2e1SPrashanth Swaminathan .byte 0 /* Augmentation size */ 895*1fd5a2e1SPrashanth Swaminathan .byte 0xe, 8 /* DW_CFA_def_cfa_offset */ 896*1fd5a2e1SPrashanth Swaminathan .byte 0x80+8, 2 /* DW_CFA_offset %eip, 2*-4 */ 897*1fd5a2e1SPrashanth Swaminathan ADV(UW25, UW24) 898*1fd5a2e1SPrashanth Swaminathan .byte 0xe, closure_FS+4 /* DW_CFA_def_cfa_offset */ 899*1fd5a2e1SPrashanth Swaminathan .balign 4 900*1fd5a2e1SPrashanth SwaminathanL(EFDE6): 901*1fd5a2e1SPrashanth Swaminathan 902*1fd5a2e1SPrashanth Swaminathan .set L(set7),L(EFDE7)-L(SFDE7) 903*1fd5a2e1SPrashanth Swaminathan .long L(set7) /* FDE Length */ 904*1fd5a2e1SPrashanth SwaminathanL(SFDE7): 905*1fd5a2e1SPrashanth Swaminathan .long L(SFDE7)-L(CIE) /* FDE CIE offset */ 906*1fd5a2e1SPrashanth Swaminathan .long PCREL(L(UW27)) /* Initial location */ 907*1fd5a2e1SPrashanth Swaminathan .long L(UW31)-L(UW27) /* Address range */ 908*1fd5a2e1SPrashanth Swaminathan .byte 0 /* Augmentation size */ 909*1fd5a2e1SPrashanth Swaminathan ADV(UW28, UW27) 910*1fd5a2e1SPrashanth Swaminathan .byte 0xe, closure_FS+4 /* DW_CFA_def_cfa_offset */ 911*1fd5a2e1SPrashanth Swaminathan#ifdef FFI_CLOSURE_CALL_INNER_SAVE_EBX 912*1fd5a2e1SPrashanth Swaminathan ADV(UW29, UW28) 913*1fd5a2e1SPrashanth Swaminathan .byte 0x80+3, (40-(closure_FS+4))/-4 /* DW_CFA_offset %ebx */ 914*1fd5a2e1SPrashanth Swaminathan ADV(UW30, UW29) 915*1fd5a2e1SPrashanth Swaminathan .byte 0xc0+3 /* DW_CFA_restore %ebx */ 916*1fd5a2e1SPrashanth Swaminathan#endif 917*1fd5a2e1SPrashanth Swaminathan .balign 4 918*1fd5a2e1SPrashanth SwaminathanL(EFDE7): 919*1fd5a2e1SPrashanth Swaminathan 920*1fd5a2e1SPrashanth Swaminathan#if !FFI_NO_RAW_API 921*1fd5a2e1SPrashanth Swaminathan .set L(set8),L(EFDE8)-L(SFDE8) 922*1fd5a2e1SPrashanth Swaminathan .long L(set8) /* FDE Length */ 923*1fd5a2e1SPrashanth SwaminathanL(SFDE8): 924*1fd5a2e1SPrashanth Swaminathan .long L(SFDE8)-L(CIE) /* FDE CIE offset */ 925*1fd5a2e1SPrashanth Swaminathan .long PCREL(L(UW32)) /* Initial location */ 926*1fd5a2e1SPrashanth Swaminathan .long L(UW40)-L(UW32) /* Address range */ 927*1fd5a2e1SPrashanth Swaminathan .byte 0 /* Augmentation size */ 928*1fd5a2e1SPrashanth Swaminathan ADV(UW33, UW32) 929*1fd5a2e1SPrashanth Swaminathan .byte 0xe, raw_closure_S_FS+4 /* DW_CFA_def_cfa_offset */ 930*1fd5a2e1SPrashanth Swaminathan ADV(UW34, UW33) 931*1fd5a2e1SPrashanth Swaminathan .byte 0x80+3, 2 /* DW_CFA_offset %ebx 2*-4 */ 932*1fd5a2e1SPrashanth Swaminathan ADV(UW35, UW34) 933*1fd5a2e1SPrashanth Swaminathan .byte 0xc0+3 /* DW_CFA_restore %ebx */ 934*1fd5a2e1SPrashanth Swaminathan ADV(UW36, UW35) 935*1fd5a2e1SPrashanth Swaminathan .byte 0xe, 4 /* DW_CFA_def_cfa_offset */ 936*1fd5a2e1SPrashanth Swaminathan ADV(UW37, UW36) 937*1fd5a2e1SPrashanth Swaminathan .byte 0xe, raw_closure_S_FS+4 /* DW_CFA_def_cfa_offset */ 938*1fd5a2e1SPrashanth Swaminathan ADV(UW38, UW37) 939*1fd5a2e1SPrashanth Swaminathan .byte 0xe, 4 /* DW_CFA_def_cfa_offset */ 940*1fd5a2e1SPrashanth Swaminathan ADV(UW39, UW38) 941*1fd5a2e1SPrashanth Swaminathan .byte 0xe, raw_closure_S_FS+4 /* DW_CFA_def_cfa_offset */ 942*1fd5a2e1SPrashanth Swaminathan .balign 4 943*1fd5a2e1SPrashanth SwaminathanL(EFDE8): 944*1fd5a2e1SPrashanth Swaminathan 945*1fd5a2e1SPrashanth Swaminathan .set L(set9),L(EFDE9)-L(SFDE9) 946*1fd5a2e1SPrashanth Swaminathan .long L(set9) /* FDE Length */ 947*1fd5a2e1SPrashanth SwaminathanL(SFDE9): 948*1fd5a2e1SPrashanth Swaminathan .long L(SFDE9)-L(CIE) /* FDE CIE offset */ 949*1fd5a2e1SPrashanth Swaminathan .long PCREL(L(UW41)) /* Initial location */ 950*1fd5a2e1SPrashanth Swaminathan .long L(UW52)-L(UW41) /* Address range */ 951*1fd5a2e1SPrashanth Swaminathan .byte 0 /* Augmentation size */ 952*1fd5a2e1SPrashanth Swaminathan ADV(UW42, UW41) 953*1fd5a2e1SPrashanth Swaminathan .byte 0xe, 0 /* DW_CFA_def_cfa_offset */ 954*1fd5a2e1SPrashanth Swaminathan .byte 0x9, 8, 2 /* DW_CFA_register %eip, %edx */ 955*1fd5a2e1SPrashanth Swaminathan ADV(UW43, UW42) 956*1fd5a2e1SPrashanth Swaminathan .byte 0xe, 4 /* DW_CFA_def_cfa_offset */ 957*1fd5a2e1SPrashanth Swaminathan ADV(UW44, UW43) 958*1fd5a2e1SPrashanth Swaminathan .byte 0xe, 8 /* DW_CFA_def_cfa_offset */ 959*1fd5a2e1SPrashanth Swaminathan .byte 0x80+8, 2 /* DW_CFA_offset %eip 2*-4 */ 960*1fd5a2e1SPrashanth Swaminathan ADV(UW45, UW44) 961*1fd5a2e1SPrashanth Swaminathan .byte 0xe, raw_closure_T_FS+8 /* DW_CFA_def_cfa_offset */ 962*1fd5a2e1SPrashanth Swaminathan ADV(UW46, UW45) 963*1fd5a2e1SPrashanth Swaminathan .byte 0x80+3, 3 /* DW_CFA_offset %ebx 3*-4 */ 964*1fd5a2e1SPrashanth Swaminathan ADV(UW47, UW46) 965*1fd5a2e1SPrashanth Swaminathan .byte 0xc0+3 /* DW_CFA_restore %ebx */ 966*1fd5a2e1SPrashanth Swaminathan ADV(UW48, UW47) 967*1fd5a2e1SPrashanth Swaminathan .byte 0xe, 8 /* DW_CFA_def_cfa_offset */ 968*1fd5a2e1SPrashanth Swaminathan ADV(UW49, UW48) 969*1fd5a2e1SPrashanth Swaminathan .byte 0xe, raw_closure_T_FS+8 /* DW_CFA_def_cfa_offset */ 970*1fd5a2e1SPrashanth Swaminathan ADV(UW50, UW49) 971*1fd5a2e1SPrashanth Swaminathan .byte 0xe, 8 /* DW_CFA_def_cfa_offset */ 972*1fd5a2e1SPrashanth Swaminathan ADV(UW51, UW50) 973*1fd5a2e1SPrashanth Swaminathan .byte 0xe, raw_closure_T_FS+8 /* DW_CFA_def_cfa_offset */ 974*1fd5a2e1SPrashanth Swaminathan .balign 4 975*1fd5a2e1SPrashanth SwaminathanL(EFDE9): 976*1fd5a2e1SPrashanth Swaminathan#endif /* !FFI_NO_RAW_API */ 977*1fd5a2e1SPrashanth Swaminathan 978*1fd5a2e1SPrashanth Swaminathan#ifdef _WIN32 979*1fd5a2e1SPrashanth Swaminathan .def @feat.00; 980*1fd5a2e1SPrashanth Swaminathan .scl 3; 981*1fd5a2e1SPrashanth Swaminathan .type 0; 982*1fd5a2e1SPrashanth Swaminathan .endef 983*1fd5a2e1SPrashanth Swaminathan PUBLIC @feat.00 984*1fd5a2e1SPrashanth Swaminathan@feat.00 = 1 985*1fd5a2e1SPrashanth Swaminathan#endif 986*1fd5a2e1SPrashanth Swaminathan 987*1fd5a2e1SPrashanth Swaminathan#endif /* ifndef _MSC_VER */ 988*1fd5a2e1SPrashanth Swaminathan#endif /* ifndef __x86_64__ */ 989*1fd5a2e1SPrashanth Swaminathan 990*1fd5a2e1SPrashanth Swaminathan#if defined __ELF__ && defined __linux__ 991*1fd5a2e1SPrashanth Swaminathan .section .note.GNU-stack,"",@progbits 992*1fd5a2e1SPrashanth Swaminathan#endif 993*1fd5a2e1SPrashanth Swaminathan#endif 994*1fd5a2e1SPrashanth Swaminathan 995*1fd5a2e1SPrashanth SwaminathanEND