debug: Add fortify dprintf tests
[glibc.git] / sysdeps / m68k / sysdep.h
blobdfc8aebc3ae4bb0fe2498dc8abd695dc1777e644
1 /* Assembler macros for m68k.
2 Copyright (C) 1998-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library. If not, see
17 <https://www.gnu.org/licenses/>. */
19 #include <sysdeps/generic/sysdep.h>
21 #ifdef __ASSEMBLER__
23 /* Define an entry point visible from C.
25 There is currently a bug in gdb which prevents us from specifying
26 incomplete stabs information. Fake some entries here which specify
27 the current source file. */
28 # define ENTRY(name) \
29 .globl C_SYMBOL_NAME(name); \
30 .type C_SYMBOL_NAME(name),@function; \
31 .p2align 2; \
32 C_LABEL(name) \
33 cfi_startproc; \
34 CALL_MCOUNT
36 # undef END
37 # define END(name) \
38 cfi_endproc; \
39 .size name,.-name
42 /* If compiled for profiling, call `_mcount' at the start of each function. */
43 # ifdef PROF
44 /* The mcount code relies on a normal frame pointer being on the stack
45 to locate our caller, so push one just for its benefit. */
46 # define CALL_MCOUNT \
47 move.l %fp, -(%sp); \
48 cfi_adjust_cfa_offset (4); cfi_rel_offset (%a6, 0); \
49 move.l %sp, %fp; \
50 jbsr JUMPTARGET (_mcount); \
51 move.l (%sp)+, %fp; \
52 cfi_adjust_cfa_offset (-4); cfi_restore (%a6);
53 # else
54 # define CALL_MCOUNT /* Do nothing. */
55 # endif
57 # define PSEUDO(name, syscall_name, args) \
58 .globl __syscall_error; \
59 ENTRY (name) \
60 DO_CALL (syscall_name, args); \
61 jcc JUMPTARGET(__syscall_error)
63 # undef PSEUDO_END
64 # define PSEUDO_END(name) \
65 END (name)
67 # undef JUMPTARGET
68 # ifdef PIC
69 # define JUMPTARGET(name) name##@PLTPC
70 # else
71 # define JUMPTARGET(name) name
72 # endif
74 #endif /* __ASSEMBLER__ */