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-rw-r--r--libc/sysdeps/linux/bfin/setjmp.S105
1 files changed, 105 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/bfin/setjmp.S b/libc/sysdeps/linux/bfin/setjmp.S
new file mode 100644
index 000000000..9bb3ddc8b
--- /dev/null
+++ b/libc/sysdeps/linux/bfin/setjmp.S
@@ -0,0 +1,105 @@
+
+/* Cetjmp for the Blackfin project
+ *
+ * Copyright (C) 2003, Metrowerks
+ * Based on code from Analog Devices.
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License. See the file COPYING.LIB in the main
+ * directory of this archive for more details.
+ *
+ */
+#define _ASM
+#define _SETJMP_H
+#include <bits/setjmp.h>
+
+.globl ___sigsetjmp;
+.align 4;
+
+___sigsetjmp:
+ [--SP] = P0; /* Save P0 */
+ P0 = R0;
+ R0 = [SP++];
+ [P0 + 0x00] = R0; /* Save saved P0 */
+ [P0 + 0x04] = P1;
+ [P0 + 0x08] = P2;
+ [P0 + 0x0C] = P3;
+ [P0 + 0x10] = P4;
+ [P0 + 0x14] = P5;
+
+ [P0 + 0x18] = FP; /* Frame Pointer */
+ [P0 + 0x1C] = SP; /* Stack Pointer */
+
+ [P0 + 0x20] = P0; /* Data Registers */
+ [P0 + 0x24] = R1;
+ [P0 + 0x28] = R2;
+ [P0 + 0x2C] = R3;
+ [P0 + 0x30] = R4;
+ [P0 + 0x34] = R5;
+ [P0 + 0x38] = R6;
+ [P0 + 0x3C] = R7;
+
+ R0 = ASTAT;
+ [P0 + 0x40] = R0;
+
+ R0 = LC0; /* Loop Counters */
+ [P0 + 0x44] = R0;
+ R0 = LC1;
+ [P0 + 0x48] = R0;
+
+ R0 = A0.W; /* Accumulators */
+ [P0 + 0x4C] = R0;
+ R0 = A0.X;
+ [P0 + 0x50] = R0;
+ R0 = A1.W;
+ [P0 + 0x54] = R0;
+ R0 = A1.X;
+ [P0 + 0x58] = R0;
+
+ R0 = I0; /* Index Registers */
+ [P0 + 0x5C] = R0;
+ R0 = I1;
+ [P0 + 0x60] = R0;
+ R0 = I2;
+ [P0 + 0x64] = R0;
+ R0 = I3;
+ [P0 + 0x68] = R0;
+
+ R0 = M0; /* Modifier Registers */
+ [P0 + 0x6C] = R0;
+ R0 = M1;
+ [P0 + 0x70] = R0;
+ R0 = M2;
+ [P0 + 0x74] = R0;
+ R0 = M3;
+ [P0 + 0x78] = R0;
+
+ R0 = L0; /* Length Registers */
+ [P0 + 0x7c] = R0;
+ R0 = L1;
+ [P0 + 0x80] = R0;
+ R0 = L2;
+ [P0 + 0x84] = R0;
+ R0 = L3;
+ [P0 + 0x88] = R0;
+
+ R0 = B0; /* Base Registers */
+ [P0 + 0x8C] = R0;
+ R0 = B1;
+ [P0 + 0x90] = R0;
+ R0 = B2;
+ [P0 + 0x94] = R0;
+ R0 = B3;
+ [P0 + 0x98] = R0;
+
+ R0 = RETS;
+ [P0 + 0x9C] = R0;
+
+ R0 = [P0 + 0x20];
+ CC = R1 == 1;
+ IF CC JUMP finished;
+ CALL ___sigjmp_save;
+finished:
+ R0 = 0;
+ RTS;
+___sigsetjmp.end: