| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 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 ($(subdir),gmon) |
| 9 | sysdep_routines += i386-mcount |
| 10 | endif |
| 11 | |
| 12 | ifeq ($(subdir),elf) |
| 13 | CFLAGS-rtld.c += -Wno-uninitialized -Wno-unused |
| 14 | CFLAGS-dl-load.c += -Wno-unused |
| 15 | CFLAGS-dl-reloc.c += -Wno-unused |
| 16 | endif |
| 17 | |
| 18 | ifeq ($(subdir),debug) |
| 19 | CFLAGS-backtrace.c += -fexceptions |
| 20 | endif |
| 21 | |
| 22 | # Most of the glibc routines don't ever call user defined callbacks |
| 23 | # nor use any FPU or SSE* and as such don't need bigger %esp alignment |
| 24 | # than 4 bytes. |
| 25 | # Lots of routines in math will use FPU, so make math subdir an exception |
| 26 | # here. |
| 27 | # In gcc 4.6 (and maybe earlier?) giving -mpreferred-stack-boundary=2 is |
| 28 | # an error, so don't try to reduce it here like we used to. We still |
| 29 | # explicit set -mpreferred-stack-boundary=4 the places where it matters, |
| 30 | # in case an older compiler defaulted to 2. |
| 31 | ifeq ($(subdir),math) |
| 32 | sysdep-CFLAGS += -mpreferred-stack-boundary=4 |
| 33 | else |
| 34 | ifeq ($(subdir),csu) |
| 35 | sysdep-CFLAGS += -mpreferred-stack-boundary=4 |
| 36 | gen-as-const-headers += link-defines.sym |
| 37 | else |
| 38 | # Likewise, any function which calls user callbacks |
| 39 | uses-callbacks += -mpreferred-stack-boundary=4 |
| 40 | # Likewise, any stack alignment tests |
| 41 | stack-align-test-flags += -malign-double -mpreferred-stack-boundary=4 |
| 42 | endif |
| 43 | endif |
| 44 | |
| 45 | # And a couple of other routines |
| 46 | ifeq ($(subdir),stdlib) |
| 47 | CFLAGS-exit.c += -mpreferred-stack-boundary=4 |
| 48 | CFLAGS-cxa_finalize.c += -mpreferred-stack-boundary=4 |
| 49 | endif |
| 50 | ifeq ($(subdir),elf) |
| 51 | CFLAGS-dl-init.c += -mpreferred-stack-boundary=4 |
| 52 | CFLAGS-dl-fini.c += -mpreferred-stack-boundary=4 |
| 53 | CFLAGS-dl-open.c += -mpreferred-stack-boundary=4 |
| 54 | CFLAGS-dl-close.c += -mpreferred-stack-boundary=4 |
| 55 | CFLAGS-dl-error.c += -mpreferred-stack-boundary=4 |
| 56 | endif |
| 57 | ifeq ($(subdir),dlfcn) |
| 58 | CFLAGS-dlopen.c += -mpreferred-stack-boundary=4 |
| 59 | CFLAGS-dlopenold.c += -mpreferred-stack-boundary=4 |
| 60 | CFLAGS-dlclose.c += -mpreferred-stack-boundary=4 |
| 61 | CFLAGS-dlerror.c += -mpreferred-stack-boundary=4 |
| 62 | endif |
| 63 | |
| 64 | ifneq (,$(filter -mno-tls-direct-seg-refs,$(CFLAGS))) |
| 65 | defines += -DNO_TLS_DIRECT_SEG_REFS |
| 66 | endif |
| 67 | |
| 68 | ifeq ($(subdir),elf) |
| 69 | sysdep-dl-routines += tlsdesc dl-tlsdesc |
| 70 | |
| 71 | tests += tst-audit3 |
| 72 | modules-names += tst-auditmod3a tst-auditmod3b |
| 73 | |
| 74 | $(objpfx)tst-audit3: $(objpfx)tst-auditmod3a.so |
| 75 | $(objpfx)tst-audit3.out: $(objpfx)tst-auditmod3b.so |
| 76 | tst-audit3-ENV = LD_AUDIT=$(objpfx)tst-auditmod3b.so |
| 77 | endif |
| 78 | |
| 79 | ifeq ($(subdir),csu) |
| 80 | gen-as-const-headers += tlsdesc.sym |
| 81 | endif |