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
|
# Powerpc32 specific build options.
ifeq ($(with-fp),no)
+cflags += -msoft-float
sysdep-LDFLAGS += -msoft-float
endif
ifeq ($(subdir),gmon)
sysdep_routines += ppc-mcount
static-only-routines += ppc-mcount
endif
ifeq ($(subdir),misc)
sysdep_routines += gprsave0 gprrest0 gprsave1 gprrest1
endif
# On PPC, -fpic works until the GOT contains 32768 bytes, and possibly
# more depending on how clever the linker is. Each GOT entry takes 4 bytes,
# so that's at least 8192 entries. Since libc only uses about 2000 entries,
# we want to use -fpic, because this generates fewer relocs.
ifeq (yes,$(build-shared))
pic-ccflag = -fpic
endif
ifeq ($(subdir),csu)
# The initfini generation code doesn't work in the presence of -fPIC, so
# we use -fpic instead which is much better.
CFLAGS-initfini.s += -fpic -O1
# There is no benefit to using sdata for these objects, and the user
# of the library should be able to control what goes into sdata.
CFLAGS-init.o = -G0
CFLAGS-gmon-start.o = -G0
ifeq (yes,$(build-shared))
# Compatibility
ifeq (yes,$(have-protected))
CPPFLAGS-libgcc-compat.S = -DHAVE_DOT_HIDDEN
endif
sysdep_routines += libgcc-compat
shared-only-routines += libgcc-compat
endif
endif
ifeq ($(subdir),elf)
# extra shared linker files to link only into dl-allobjs.so
sysdep-rtld-routines += dl-start
endif
|
