2 Copyright Oliver Kowalke 2009.
3 Distributed under the Boost Software License, Version 1.0.
4 (See accompanying file LICENSE_1_0.txt or copy at
5 http://www.boost.org/LICENSE_1_0.txt)
8 /*******************************************************
10 * ------------------------------------------------- *
11 * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
12 * ------------------------------------------------- *
13 * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
14 * ------------------------------------------------- *
15 * |hiddn| v1 | v2 | v3 | v4 | v5 | v6 | v7 | *
16 * ------------------------------------------------- *
17 * ------------------------------------------------- *
18 * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
19 * ------------------------------------------------- *
20 * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
21 * ------------------------------------------------- *
22 * | v8 | lr | pc | FCTX| DATA| | *
23 * ------------------------------------------------- *
25 *******************************************************/
30 .type jump_fcontext,%function
34 @ save hidden,V1-V8,LR
37 @ store RSP (pointing to context-data) in A1
40 @ restore RSP (pointing to context-data) from A2
43 @ restore hidden,V1-V8,LR
46 @ return transfer_t from jump
49 @ pass transfer_t as first arg in context function
50 @ A1 == FCTX, A2 == DATA
55 .size jump_fcontext,.-jump_fcontext
57 @ Mark that we don't need executable stack.
58 .section .note.GNU-stack,"",%progbits