; ; Port of uClibc for TMS320C6000 DSP architecture ; Copyright (C) 2004 Texas Instruments Incorporated ; Author of TMS320C6000 port: Aurelien Jacquiot ; ; This program is free software; you can redistribute it and/or modify it ; under the terms of the GNU Library General Public License as published by ; the Free Software Foundation; either version 2 of the License, or (at your ; option) any later version. ; ; This program 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 Library General Public License ; for more details. ; ; You should have received a copy of the GNU Library General Public License ; along with this program; if not, see <http://www.gnu.org/licenses/>. ; .global setjmp setjmp: #if 0 .if 1 /* was: .if (CONFIG_UCLIBC_SHARED == 0) */ MVKL .S1 ___curr_eh_stack_entry,A6 || SUB .D1X A4,B15,A3 MVKH .S1 ___curr_eh_stack_entry,A6 || CMPGT .L1 A3,4,A0 ; A0 set if C++ exceptions case LDW .D1T1 *A6,A2 .else MVKL .S2 (___curr_eh_stack_entry - $bss)/4,B6 || SUB .D1X A4,B15,A3 MVKH .S2 (___curr_eh_stack_entry - $bss)/4,B6 || CMPGT .L1 A3,4,A0 ; A0 set if C++ exceptions case LDW .D2T1 *+B14[B6],A2 .endif NOP #else MVK .S1 0, A0 #endif MVK .L2 1,B4 ; indicate to ___sigjmp_save to save signal mask || MV .D2X A4,B6 ; jmp_buf address || STW .D1T2 B3,*+A4(48) ; return address ADDAW .D1 A2,2,A2 [A0] CMPEQ .L1 A4,A2,A0 ; A0 set if C++ exceptions case STW .D1T1 A10,*+A4(0) || STW .D2T2 B10,*+B6(4) ||[!A0] B .S1 __sigjmp_save ; branch to ___sigjmp_save in 5 cycles ||[A0] B .S2 B3 STW .D1T1 A11,*+A4(8) || STW .D2T2 B11,*+B6(12) STW .D1T1 A12,*+A4(16) || STW .D2T2 B12,*+B6(20) STW .D1T1 A13,*+A4(24) || STW .D2T2 B13,*+B6(28) STW .D1T1 A14,*+A4(32) || STW .D2T2 B14,*+B6(36) STW .D1T1 A15,*+A4(40) || STW .D2T2 B15,*+B6(44) ||[A0] ZERO .L1 A4 ; returns 0 for the C++ case