| 1 | # The mpn functions need a #define for asm syntax flavor.
|
|---|
| 2 | # Every i386 port in use uses gas syntax (I think).
|
|---|
| 3 | asm-CPPFLAGS += -DGAS_SYNTAX
|
|---|
| 4 |
|
|---|
| 5 | # The i386 `long double' is a distinct type we support.
|
|---|
| 6 | long-double-fcts = yes
|
|---|
| 7 |
|
|---|
| 8 | ifeq ($(subdir),csu)
|
|---|
| 9 | # On i686 we must avoid generating the trampoline functions generated
|
|---|
| 10 | # to get the GOT pointer.
|
|---|
| 11 | CFLAGS-initfini.s += -march=i386 -mtune=i386
|
|---|
| 12 | endif
|
|---|
| 13 |
|
|---|
| 14 | ifeq ($(subdir),gmon)
|
|---|
| 15 | sysdep_routines += i386-mcount
|
|---|
| 16 | endif
|
|---|
| 17 |
|
|---|
| 18 | ifeq ($(subdir),elf)
|
|---|
| 19 | CFLAGS-rtld.c += -Wno-uninitialized -Wno-unused
|
|---|
| 20 | CFLAGS-dl-load.c += -Wno-unused
|
|---|
| 21 | CFLAGS-dl-reloc.c += -Wno-unused
|
|---|
| 22 | endif
|
|---|
| 23 |
|
|---|
| 24 | ifeq ($(subdir),debug)
|
|---|
| 25 | CFLAGS-backtrace.c += -fexceptions
|
|---|
| 26 | endif
|
|---|
| 27 |
|
|---|
| 28 | # Most of the glibc routines don't ever call user defined callbacks
|
|---|
| 29 | # nor use any FPU or SSE* and as such don't need bigger %esp alignment
|
|---|
| 30 | # than 4 bytes.
|
|---|
| 31 | # Lots of routines in math will use FPU, so make math subdir an exception
|
|---|
| 32 | # here.
|
|---|
| 33 | ifeq ($(subdir),math)
|
|---|
| 34 | sysdep-CFLAGS += -mpreferred-stack-boundary=4
|
|---|
| 35 | else
|
|---|
| 36 | ifeq ($(subdir),csu)
|
|---|
| 37 | sysdep-CFLAGS += -mpreferred-stack-boundary=4
|
|---|
| 38 | else
|
|---|
| 39 | sysdep-CFLAGS += -mpreferred-stack-boundary=2
|
|---|
| 40 | # Likewise, any function which calls user callbacks
|
|---|
| 41 | uses-callbacks += -mpreferred-stack-boundary=4
|
|---|
| 42 | # Likewise, any stack alignment tests
|
|---|
| 43 | stack-align-test-flags += -malign-double -mpreferred-stack-boundary=4
|
|---|
| 44 | endif
|
|---|
| 45 | endif
|
|---|
| 46 |
|
|---|
| 47 | # And a couple of other routines
|
|---|
| 48 | ifeq ($(subdir),stdlib)
|
|---|
| 49 | CFLAGS-exit.c += -mpreferred-stack-boundary=4
|
|---|
| 50 | endif
|
|---|
| 51 | ifeq ($(subdir),elf)
|
|---|
| 52 | CFLAGS-dl-init.c += -mpreferred-stack-boundary=4
|
|---|
| 53 | CFLAGS-dl-fini.c += -mpreferred-stack-boundary=4
|
|---|
| 54 | CFLAGS-dl-open.c += -mpreferred-stack-boundary=4
|
|---|
| 55 | CFLAGS-dl-close.c += -mpreferred-stack-boundary=4
|
|---|
| 56 | CFLAGS-dl-error.c += -mpreferred-stack-boundary=4
|
|---|
| 57 | endif
|
|---|
| 58 | ifeq ($(subdir),dlfcn)
|
|---|
| 59 | CFLAGS-dlopen.c += -mpreferred-stack-boundary=4
|
|---|
| 60 | CFLAGS-dlopenold.c += -mpreferred-stack-boundary=4
|
|---|
| 61 | CFLAGS-dlclose.c += -mpreferred-stack-boundary=4
|
|---|
| 62 | CFLAGS-dlerror.c += -mpreferred-stack-boundary=4
|
|---|
| 63 | endif
|
|---|
| 64 |
|
|---|
| 65 | ifneq (,$(filter -mno-tls-direct-seg-refs,$(CFLAGS)))
|
|---|
| 66 | defines += -DNO_TLS_DIRECT_SEG_REFS
|
|---|
| 67 | endif
|
|---|
