| # The mpn functions need a #define for asm syntax flavor. |
| # Every i386 port in use uses gas syntax (I think). |
| asm-CPPFLAGS += -DGAS_SYNTAX |
| |
| # The i386 `long double' is a distinct type we support. |
| long-double-fcts = yes |
| |
| ifeq ($(subdir),csu) |
| # On i686 we must avoid generating the trampoline functions generated |
| # to get the GOT pointer. |
| CFLAGS-initfini.s += -march=i386 -mtune=i386 |
| endif |
| |
| ifeq ($(subdir),gmon) |
| sysdep_routines += i386-mcount |
| endif |
| |
| ifeq ($(subdir),elf) |
| CFLAGS-rtld.c += -Wno-uninitialized -Wno-unused |
| CFLAGS-dl-load.c += -Wno-unused |
| CFLAGS-dl-reloc.c += -Wno-unused |
| endif |
| |
| ifeq ($(subdir),debug) |
| CFLAGS-backtrace.c += -fexceptions |
| endif |
| |
| # Most of the glibc routines don't ever call user defined callbacks |
| # nor use any FPU or SSE* and as such don't need bigger %esp alignment |
| # than 4 bytes. |
| # Lots of routines in math will use FPU, so make math subdir an exception |
| # here. |
| ifeq ($(subdir),math) |
| sysdep-CFLAGS += -mpreferred-stack-boundary=4 |
| else |
| ifeq ($(subdir),csu) |
| sysdep-CFLAGS += -mpreferred-stack-boundary=4 |
| else |
| sysdep-CFLAGS += -mpreferred-stack-boundary=2 |
| # Likewise, any function which calls user callbacks |
| uses-callbacks += -mpreferred-stack-boundary=4 |
| # Likewise, any stack alignment tests |
| stack-align-test-flags += -malign-double -mpreferred-stack-boundary=4 |
| endif |
| endif |
| |
| # And a couple of other routines |
| ifeq ($(subdir),stdlib) |
| CFLAGS-exit.c += -mpreferred-stack-boundary=4 |
| CFLAGS-cxa_finalize.c += -mpreferred-stack-boundary=4 |
| endif |
| ifeq ($(subdir),elf) |
| CFLAGS-dl-init.c += -mpreferred-stack-boundary=4 |
| CFLAGS-dl-fini.c += -mpreferred-stack-boundary=4 |
| CFLAGS-dl-open.c += -mpreferred-stack-boundary=4 |
| CFLAGS-dl-close.c += -mpreferred-stack-boundary=4 |
| CFLAGS-dl-error.c += -mpreferred-stack-boundary=4 |
| endif |
| ifeq ($(subdir),dlfcn) |
| CFLAGS-dlopen.c += -mpreferred-stack-boundary=4 |
| CFLAGS-dlopenold.c += -mpreferred-stack-boundary=4 |
| CFLAGS-dlclose.c += -mpreferred-stack-boundary=4 |
| CFLAGS-dlerror.c += -mpreferred-stack-boundary=4 |
| endif |
| |
| ifneq (,$(filter -mno-tls-direct-seg-refs,$(CFLAGS))) |
| defines += -DNO_TLS_DIRECT_SEG_REFS |
| endif |
| |
| ifeq ($(subdir),elf) |
| sysdep-dl-routines += tlsdesc dl-tlsdesc |
| sysdep_routines += tlsdesc dl-tlsdesc |
| sysdep-rtld-routines += tlsdesc dl-tlsdesc |
| endif |
| |
| ifeq ($(subdir),csu) |
| gen-as-const-headers += tlsdesc.sym |
| endif |