1 |
38 |
julius |
/* Definitions for ELF assembler support.
|
2 |
|
|
Copyright (C) 1999, 2003, 2005, 2007 Free Software Foundation, Inc.
|
3 |
|
|
|
4 |
|
|
This file is part of GCC.
|
5 |
|
|
|
6 |
|
|
GCC is free software; you can redistribute it and/or modify
|
7 |
|
|
it under the terms of the GNU General Public License as published by
|
8 |
|
|
the Free Software Foundation; either version 3, or (at your option)
|
9 |
|
|
any later version.
|
10 |
|
|
|
11 |
|
|
GCC is distributed in the hope that it will be useful,
|
12 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
|
|
GNU General Public License for more details.
|
15 |
|
|
|
16 |
|
|
You should have received a copy of the GNU General Public License
|
17 |
|
|
along with GCC; see the file COPYING3. If not see
|
18 |
|
|
<http://www.gnu.org/licenses/>. */
|
19 |
|
|
|
20 |
|
|
/* So we can conditionalize small amounts of code in pa.c or pa.md. */
|
21 |
|
|
#define OBJ_ELF
|
22 |
|
|
|
23 |
|
|
#define ENDFILE_SPEC "crtend.o%s"
|
24 |
|
|
|
25 |
|
|
#define STARTFILE_SPEC "%{!shared: \
|
26 |
|
|
%{!symbolic: \
|
27 |
|
|
%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}}\
|
28 |
|
|
crtbegin.o%s"
|
29 |
|
|
|
30 |
|
|
#define TEXT_SECTION_ASM_OP "\t.text"
|
31 |
|
|
#define DATA_SECTION_ASM_OP "\t.data"
|
32 |
|
|
#define BSS_SECTION_ASM_OP "\t.section\t.bss"
|
33 |
|
|
|
34 |
|
|
#define TARGET_ASM_FILE_START pa_elf_file_start
|
35 |
|
|
|
36 |
|
|
#undef ASM_DECLARE_FUNCTION_NAME
|
37 |
|
|
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
|
38 |
|
|
do { \
|
39 |
|
|
if (TREE_PUBLIC (DECL)) \
|
40 |
|
|
{ \
|
41 |
|
|
fputs ("\t.EXPORT ", FILE); \
|
42 |
|
|
assemble_name (FILE, NAME); \
|
43 |
|
|
fputs (",ENTRY\n", FILE); \
|
44 |
|
|
} \
|
45 |
|
|
} while (0)
|
46 |
|
|
|
47 |
|
|
/* This is how to output a command to make the user-level label
|
48 |
|
|
named NAME defined for reference from other files. We use
|
49 |
|
|
assemble_name_raw instead of assemble_name since a symbol in
|
50 |
|
|
a .IMPORT directive that isn't otherwise referenced is not
|
51 |
|
|
placed in the symbol table of the assembled object.
|
52 |
|
|
|
53 |
|
|
Failure to import a function reference can cause the HP linker
|
54 |
|
|
to segmentation fault!
|
55 |
|
|
|
56 |
|
|
Note that the SOM based tools need the symbol imported as a
|
57 |
|
|
CODE symbol, while the ELF based tools require the symbol to
|
58 |
|
|
be imported as an ENTRY symbol. */
|
59 |
|
|
|
60 |
|
|
#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
|
61 |
|
|
pa_hpux_asm_output_external ((FILE), (DECL), (NAME))
|
62 |
|
|
#define ASM_OUTPUT_EXTERNAL_REAL(FILE, DECL, NAME) \
|
63 |
|
|
do { fputs ("\t.IMPORT ", FILE); \
|
64 |
|
|
assemble_name_raw (FILE, NAME); \
|
65 |
|
|
if (FUNCTION_NAME_P (NAME)) \
|
66 |
|
|
fputs (",ENTRY\n", FILE); \
|
67 |
|
|
else \
|
68 |
|
|
fputs (",DATA\n", FILE); \
|
69 |
|
|
} while (0)
|
70 |
|
|
|
71 |
|
|
/* The bogus HP assembler requires ALL external references to be
|
72 |
|
|
"imported", even library calls. They look a bit different, so
|
73 |
|
|
here's this macro.
|
74 |
|
|
|
75 |
|
|
Also note not all libcall names are passed to
|
76 |
|
|
targetm.encode_section_info (__main for example). To make sure all
|
77 |
|
|
libcall names have section info recorded in them, we do it here. */
|
78 |
|
|
|
79 |
|
|
#undef ASM_OUTPUT_EXTERNAL_LIBCALL
|
80 |
|
|
#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, RTL) \
|
81 |
|
|
do { fputs ("\t.IMPORT ", FILE); \
|
82 |
|
|
if (!function_label_operand (RTL, VOIDmode)) \
|
83 |
|
|
hppa_encode_label (RTL); \
|
84 |
|
|
assemble_name (FILE, XSTR ((RTL), 0)); \
|
85 |
|
|
fputs (",ENTRY\n", FILE); \
|
86 |
|
|
} while (0)
|
87 |
|
|
|
88 |
|
|
/* Biggest alignment supported by the object file format of this
|
89 |
|
|
machine. Use this macro to limit the alignment which can be
|
90 |
|
|
specified using the `__attribute__ ((aligned (N)))' construct. If
|
91 |
|
|
not defined, the default value is `BIGGEST_ALIGNMENT'. */
|
92 |
|
|
#define MAX_OFILE_ALIGNMENT (32768 * 8)
|