zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/c6x/bsd-setjmp.S b/ap/build/uClibc/libc/sysdeps/linux/c6x/bsd-setjmp.S
new file mode 100644
index 0000000..3ab597d
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/c6x/bsd-setjmp.S
@@ -0,0 +1,67 @@
+ ;
+ ; 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, write to the Free Software Foundation,
+ ; Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ ;
+
+ .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