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authorCarmelo Amoroso <carmelo.amoroso@st.com>2011-04-06 15:13:59 +0200
committerCarmelo Amoroso <carmelo.amoroso@st.com>2011-04-06 15:13:59 +0200
commit3b3285b1b7c02d36c74a6ae265fdb02ca991c96b (patch)
tree0f3bf060794323ff690f6f4a86dc903c4570f540 /libc/sysdeps/linux/c6x/bsd-setjmp.S
parent289d19f45d7f8af9a4079938a3426aafdd2674ba (diff)
parent85f4b028d767fc390a7b866d2f58d58be489242d (diff)
Merge remote-tracking branch 'origin/master' into prelink
* origin/master: (137 commits) utils/ldd: Check for returned pointer from strrchr not the value it holds cris: add provide arch-specific vfork implementation lutimes.c, stubs.c: fix compiling lutimes, if __NR_utimensat is not defined bump version to 0.9.32-rc3-git release 0.9.32-rc3 memalign: include sys/param.h for MAX arm/bits/atomic.h: Include common/bit/atomic.h for thumb1 wctype.h: fix libc_hidden_proto for iswupper and add it for iswspace add libc_hidden_proto for wcs[n]casecmp_l really fix missing __libc_drand48_data Revert "missing prototype of __libc_drand48_data fixed" missing prototype of __libc_drand48_data fixed time.c, time.h: remove unused hidden strftime/strptime nanosleep.c: remove duplicated libc_hidden_proto ctype.c, ctype.h: remove commented parts that were banned for removal after 0.9.31 _wctype.c, wctype.h: remove unused isw* and wctype_l hidden functions time.c, wchar.h: remove unused hidden wcsftime str[n]casecmp.c: fix hidden usage remove unused hidden functions frv/memset.S: add missing libc_hidden_def ... Conflicts: ldso/ldso/ldso.c Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
Diffstat (limited to 'libc/sysdeps/linux/c6x/bsd-setjmp.S')
-rw-r--r--libc/sysdeps/linux/c6x/bsd-setjmp.S67
1 files changed, 67 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/c6x/bsd-setjmp.S b/libc/sysdeps/linux/c6x/bsd-setjmp.S
new file mode 100644
index 000000000..3ab597d8e
--- /dev/null
+++ b/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