1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
--- gcc/config/i386/freebsd.h.orig Fri Apr 9 13:31:31 1999
+++ gcc/config/i386/freebsd.h Wed Apr 21 17:36:21 1999
@@ -21,6 +21,17 @@
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+
+#include "i386/att.h" /* Use the i386 AT&T assembler syntax */
+
+/* Use stabs instead of DWARF debug format. */
+#undef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+#include "svr4.h"
+
+/* Get generic FreeBSD definitions. */
+#include <freebsd.h>
+
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (i386 FreeBSD/ELF)");
@@ -113,22 +124,19 @@
: ((n) >= FIRST_STACK_REG && (n) <= LAST_STACK_REG) ? (n)+3 \
: (-1))
-/* Output assembler code to FILE to increment profiler label # LABELNO
- for profiling a function entry. */
+/* Tell final.c that we don't need a label passed to mcount. */
+#define NO_PROFILE_DATA
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO) \
{ \
if (flag_pic) \
{ \
- fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%edx\n", \
- LPREFIX, (LABELNO)); \
- fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n"); \
+ fprintf (FILE, "\tcall *.mcount@GOT(%%ebx)\n"); \
} \
else \
{ \
- fprintf (FILE, "\tmovl $%sP%d,%%edx\n", LPREFIX, (LABELNO)); \
- fprintf (FILE, "\tcall mcount\n"); \
+ fprintf (FILE, "\tcall .mcount\n"); \
} \
}
@@ -145,27 +153,31 @@
#define WCHAR_TYPE_SIZE BITS_PER_WORD
#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Di386 -Dunix -D__ELF__ -D__FreeBSD__ -Asystem(unix) -Asystem(FreeBSD) -Acpu(i386) -Amachine(i386)"
+#define CPP_PREDEFINES "-Di386 -Acpu(i386) -Amachine(i386)" CPP_FBSD_PREDEFINES
#undef CPP_SPEC
-#define CPP_SPEC "%(cpp_cpu) %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE}"
-
-#undef LIB_SPEC
-#if 1
-/* We no longer link with libc_p.a or libg.a by default. If you
- * want to profile or debug the C library, please add
- * -lc_p or -ggdb to LDFLAGS at the link time, respectively.
- */
-#define LIB_SPEC \
- "%{!shared: %{mieee-fp:-lieee} %{p:-lgmon} %{pg:-lgmon} \
- %{!ggdb:-lc} %{ggdb:-lg}}"
+#if TARGET_CPU_DEFAULT == 2
+#define CPP_SPEC "\
+%{!maout: -D__ELF__} \
+%{munderscores: -D__UNDERSCORES__} \
+%{maout: %{!mno-underscores: -D__UNDERSCORES__}} \
+%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{!m386:-D__i486__}"
#else
-#define LIB_SPEC \
- "%{!shared: \
- %{mieee-fp:-lieee} %{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} \
- %{!p:%{!pg:%{!g*:-lc} %{g*:-lg}}}}"
+#define CPP_SPEC "\
+%{!maout: -D__ELF__} \
+%{munderscores: -D__UNDERSCORES__} \
+%{maout: %{!mno-underscores: -D__UNDERSCORES__}} \
+%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{m486:-D__i486__}"
#endif
+#undef CC1_SPEC
+#define CC1_SPEC "\
+%{gline:%{!g:%{!g0:%{!g1:%{!g2: -g1}}}}} \
+%{maout: %{!mno-underscores: %{!munderscores: -munderscores }}}"
+
+#undef ASM_SPEC
+#define ASM_SPEC "%{v*: -v} %{maout: %{fpic:-k} %{fPIC:-k}}"
+
/* Provide a LINK_SPEC appropriate for FreeBSD. Here we provide support
for the special GCC options -static and -shared, which allow us to
link things in one of these three modes by applying the appropriate
@@ -181,13 +193,23 @@
done. */
#undef LINK_SPEC
-#define LINK_SPEC "-m elf_i386 %{shared:-shared} \
- %{!shared: \
- %{!ibcs: \
+#define LINK_SPEC "\
+ %{p:%e`-p' not supported; use `-pg' and gprof(1)} \
+ %{maout: %{shared:-Bshareable} \
+ %{!shared:%{!nostdlib:%{!r:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} \
+ %{pg:-Bstatic} %{Z}} \
+ %{assert*} %{R*}} \
+ %{!maout: \
+ -m elf_i386 \
+ %{Wl,*:%*} \
+ %{assert*} %{R*} %{rpath*} %{defsym*} \
+ %{shared:-Bshareable %{h*} %{soname*}} \
+ %{symbolic:-Bsymbolic} \
+ %{!shared: \
%{!static: \
- %{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /usr/libexec/ld-elf.so.1}} \
- %{static:-static}}}"
+ %{rdynamic: -export-dynamic} \
+ %{!dynamic-linker: -dynamic-linker /usr/libexec/ld-elf.so.1}} \
+ %{static:-Bstatic}}}"
/* Get perform_* macros to build libgcc.a. */
@@ -204,3 +226,15 @@
else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
}
#endif
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "\
+ %{maout: %{shared:c++rt0.o%s} \
+ %{!shared:%{pg:gcrt0.o%s}%{!pg:%{static:scrt0.o%s}%{!static:crt0.o%s}}}} \
+ %{!maout: %{!shared: \
+ %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} \
+ crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC \
+ "%{!maout: %{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s}"
|
