diff options
Diffstat (limited to 'sysdeps/alpha/dl-trampoline.S')
| -rw-r--r-- | sysdeps/alpha/dl-trampoline.S | 361 |
1 files changed, 0 insertions, 361 deletions
diff --git a/sysdeps/alpha/dl-trampoline.S b/sysdeps/alpha/dl-trampoline.S deleted file mode 100644 index 42350836ef..0000000000 --- a/sysdeps/alpha/dl-trampoline.S +++ /dev/null @@ -1,361 +0,0 @@ -/* PLT trampolines. Alpha version. - Copyright (C) 2005 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdep.h> - - .set noat - - .globl _dl_runtime_resolve - .ent _dl_runtime_resolve - -#undef FRAMESIZE -#define FRAMESIZE 44*8 - -_dl_runtime_resolve: - lda $30, -FRAMESIZE($30) - .frame $30, FRAMESIZE, $26 - /* Preserve all registers that C normally doesn't. */ - stq $26, 0*8($30) - stq $0, 1*8($30) - stq $1, 2*8($30) - stq $2, 3*8($30) - stq $3, 4*8($30) - stq $4, 5*8($30) - stq $5, 6*8($30) - stq $6, 7*8($30) - stq $7, 8*8($30) - stq $8, 9*8($30) - stq $16, 10*8($30) - stq $17, 11*8($30) - stq $18, 12*8($30) - stq $19, 13*8($30) - stq $20, 14*8($30) - stq $21, 15*8($30) - stq $22, 16*8($30) - stq $23, 17*8($30) - stq $24, 18*8($30) - stq $25, 19*8($30) - stq $29, 20*8($30) - stt $f0, 21*8($30) - stt $f1, 22*8($30) - stt $f10, 23*8($30) - stt $f11, 24*8($30) - stt $f12, 25*8($30) - stt $f13, 26*8($30) - stt $f14, 27*8($30) - stt $f15, 28*8($30) - stt $f16, 29*8($30) - stt $f17, 30*8($30) - stt $f18, 31*8($30) - stt $f19, 32*8($30) - stt $f20, 33*8($30) - stt $f21, 34*8($30) - stt $f22, 35*8($30) - stt $f23, 36*8($30) - stt $f24, 37*8($30) - stt $f25, 38*8($30) - stt $f26, 39*8($30) - stt $f27, 40*8($30) - stt $f28, 41*8($30) - stt $f29, 42*8($30) - stt $f30, 43*8($30) - .mask 0x27ff01ff, -FRAMESIZE - .fmask 0xfffffc03, -FRAMESIZE+21*8 - /* Set up our GP. */ - br $29, .+4 - ldgp $29, 0($29) - .prologue 0 - /* Set up the arguments for _dl_fixup: - $16 = link_map out of plt0 - $17 = offset of reloc entry = ($28 - $27 - 20) /12 * 24 - $18 = return address - */ - subq $28, $27, $17 - ldq $16, 8($27) - subq $17, 20, $17 - mov $26, $18 - addq $17, $17, $17 - bsr $26, _dl_fixup !samegp - - /* Move the destination address into position. */ - mov $0, $27 - /* Restore program registers. */ - ldq $26, 0*8($30) - ldq $0, 1*8($30) - ldq $1, 2*8($30) - ldq $2, 3*8($30) - ldq $3, 4*8($30) - ldq $4, 5*8($30) - ldq $5, 6*8($30) - ldq $6, 7*8($30) - ldq $7, 8*8($30) - ldq $8, 9*8($30) - ldq $16, 10*8($30) - ldq $17, 11*8($30) - ldq $18, 12*8($30) - ldq $19, 13*8($30) - ldq $20, 14*8($30) - ldq $21, 15*8($30) - ldq $22, 16*8($30) - ldq $23, 17*8($30) - ldq $24, 18*8($30) - ldq $25, 19*8($30) - ldq $29, 20*8($30) - ldt $f0, 21*8($30) - ldt $f1, 22*8($30) - ldt $f10, 23*8($30) - ldt $f11, 24*8($30) - ldt $f12, 25*8($30) - ldt $f13, 26*8($30) - ldt $f14, 27*8($30) - ldt $f15, 28*8($30) - ldt $f16, 29*8($30) - ldt $f17, 30*8($30) - ldt $f18, 31*8($30) - ldt $f19, 32*8($30) - ldt $f20, 33*8($30) - ldt $f21, 34*8($30) - ldt $f22, 35*8($30) - ldt $f23, 36*8($30) - ldt $f24, 37*8($30) - ldt $f25, 38*8($30) - ldt $f26, 39*8($30) - ldt $f27, 40*8($30) - ldt $f28, 41*8($30) - ldt $f29, 42*8($30) - ldt $f30, 43*8($30) - /* Flush the Icache after having modified the .plt code. */ - imb - /* Clean up and turn control to the destination */ - lda $30, FRAMESIZE($30) - jmp $31, ($27) - - .end _dl_runtime_resolve - - .globl _dl_runtime_profile - .usepv _dl_runtime_profile, no - .type _dl_runtime_profile, @function - - /* We save the registers in a different order than desired by - .mask/.fmask, so we have to use explicit cfi directives. */ - cfi_startproc - -.macro savei regno, offset - stq $\regno, \offset($30) - cfi_rel_offset(\regno, \offset) -.endm - -.macro savef regno, offset - stt $f\regno, \offset($30) - cfi_rel_offset(\regno+32, \offset) -.endm - -#undef FRAMESIZE -#define FRAMESIZE 50*8 - -_dl_runtime_profile: - lda $30, -FRAMESIZE($30) - cfi_adjust_cfa_offset (FRAMESIZE) - - /* Preserve all argument registers. This also constructs the - La_alpha_regs structure. */ - savei 26, 0*8 - savei 16, 2*8 - savei 17, 3*8 - savei 18, 4*8 - savei 19, 5*8 - savei 20, 6*8 - savei 21, 7*8 - lda $16, FRAMESIZE($30) - savef 16, 8*8 - savef 17, 9*8 - savef 18, 10*8 - savef 19, 11*8 - savef 20, 12*8 - savef 21, 13*8 - stq $16, 1*8($30) - - /* Preserve all registers that C normally doesn't. */ - savei 0, 14*8 - savei 1, 15*8 - savei 2, 16*8 - savei 3, 17*8 - savei 4, 18*8 - savei 5, 19*8 - savei 6, 20*8 - savei 7, 21*8 - savei 8, 22*8 - savei 22, 23*8 - savei 23, 24*8 - savei 24, 25*8 - savei 25, 26*8 - savei 29, 27*8 - savef 0, 28*8 - savef 1, 29*8 - savef 10, 30*8 - savef 11, 31*8 - savef 12, 32*8 - savef 13, 33*8 - savef 14, 34*8 - savef 15, 35*8 - savef 22, 36*8 - savef 23, 37*8 - savef 24, 38*8 - savef 25, 39*8 - savef 26, 40*8 - savef 27, 41*8 - savef 28, 42*8 - savef 29, 43*8 - savef 30, 44*8 - - /* Set up our GP. */ - br $29, .+4 - ldgp $29, 0($29) - - /* Set up the arguments for _dl_profile_fixup: - $16 = link_map out of plt0 - $17 = offset of reloc entry = ($28 - $27 - 20) /12 * 24 - $18 = return address - $19 = La_alpha_regs address - $20 = framesize address - */ - subq $28, $27, $17 - ldq $16, 8($27) - subq $17, 20, $17 - mov $26, $18 - addq $17, $17, $17 - lda $19, 0($30) - lda $20, 45*8($30) - stq $16, 48*8($30) - stq $17, 49*8($30) - - bsr $26, _dl_profile_fixup !samegp - - /* Discover if we're wrapping this call. */ - ldq $18, 45*8($30) - bge $18, 1f - - /* Move the destination address into position. */ - mov $0, $27 - /* Restore program registers. */ - ldq $26, 0*8($30) - ldq $16, 2*8($30) - ldq $17, 3*8($30) - ldq $18, 4*8($30) - ldq $19, 5*8($30) - ldq $20, 6*8($30) - ldq $21, 7*8($30) - ldt $f16, 8*8($30) - ldt $f17, 9*8($30) - ldt $f18, 10*8($30) - ldt $f19, 11*8($30) - ldt $f20, 12*8($30) - ldt $f21, 13*8($30) - ldq $0, 14*8($30) - ldq $1, 15*8($30) - ldq $2, 16*8($30) - ldq $3, 17*8($30) - ldq $4, 18*8($30) - ldq $5, 19*8($30) - ldq $6, 20*8($30) - ldq $7, 21*8($30) - ldq $8, 22*8($30) - ldq $22, 23*8($30) - ldq $23, 24*8($30) - ldq $24, 25*8($30) - ldq $25, 26*8($30) - ldq $29, 27*8($30) - ldt $f0, 28*8($30) - ldt $f1, 29*8($30) - ldt $f10, 30*8($30) - ldt $f11, 31*8($30) - ldt $f12, 32*8($30) - ldt $f13, 33*8($30) - ldt $f14, 34*8($30) - ldt $f15, 35*8($30) - ldt $f22, 36*8($30) - ldt $f23, 37*8($30) - ldt $f24, 38*8($30) - ldt $f25, 39*8($30) - ldt $f26, 40*8($30) - ldt $f27, 41*8($30) - ldt $f28, 42*8($30) - ldt $f29, 43*8($30) - ldt $f30, 44*8($30) - - /* Clean up and turn control to the destination. */ - lda $30, FRAMESIZE($30) - jmp $31, ($27) - -1: - /* Create a frame pointer and allocate a new argument frame. */ - savei 15, 45*8 - mov $30, $15 - cfi_def_cfa_register (15) - addq $18, 15, $18 - bic $18, 15, $18 - subq $30, $18, $30 - - /* Save the call destination around memcpy. */ - stq $0, 46*8($30) - - /* Copy the stack arguments into place. */ - lda $16, 0($30) - lda $17, FRAMESIZE($15) - jsr $26, memcpy - ldgp $29, 0($26) - - /* Reload the argument registers. */ - ldq $27, 46*8($30) - ldq $16, 2*8($15) - ldq $17, 3*8($15) - ldq $18, 4*8($15) - ldq $19, 5*8($15) - ldq $20, 6*8($15) - ldq $21, 7*8($15) - ldt $f16, 8*8($15) - ldt $f17, 9*8($15) - ldt $f18, 10*8($15) - ldt $f19, 11*8($15) - ldt $f20, 12*8($15) - ldt $f21, 13*8($15) - - jsr $26, ($27), 0 - ldgp $29, 0($26) - - /* Set up for call to _dl_call_pltexit. */ - ldq $16, 48($15) - ldq $17, 49($15) - stq $0, 46*8($15) - lda $18, 0($15) - stq $1, 47*8($15) - lda $19, 46*8($15) - stt $f0, 48*8($15) - stt $f1, 49*8($15) - bsr $26, _dl_call_pltexit !samegp - - mov $15, $30 - cfi_def_cfa_register (30) - ldq $26, 0($30) - ldq $15, 45*8($30) - lda $30, FRAMESIZE($30) - ret - - cfi_endproc - .size _dl_runtime_profile, .-_dl_runtime_profile |