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63550530d9
We used to use .cfi_adjust_cfa_offset around %esp manipulation asm instructions to fix unwinding, but when building glibc with -fno-omit-frame-pointer this is bogus since in that case %ebp is the CFA and does not move. Instead, let's force -fno-omit-frame-pointer when building intr-msg.c so that %ebp can always be used and no .cfi_adjust_cfa_offset is needed.
113 lines
3.9 KiB
Makefile
113 lines
3.9 KiB
Makefile
# Copyright (C) 1991-2023 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <https://www.gnu.org/licenses/>.
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subdir := hurd
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include ../Makeconfig
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headers = hurd.h $(interface-headers) \
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$(addprefix hurd/,fd.h id.h port.h signal.h sigpreempt.h ioctl.h\
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userlink.h resource.h lookup.h)
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inline-headers = hurd.h $(addprefix hurd/,fd.h signal.h \
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userlink.h port.h)
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# The RPC interfaces go in a separate library.
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interface-library := libhurduser
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user-interfaces := $(addprefix hurd/,\
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auth startup \
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process process_request \
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msg msg_reply msg_request \
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exec exec_startup crash interrupt \
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fs fsys io io_reply io_request \
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term tioctl socket ifsock \
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login password pfinet pci \
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)
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server-interfaces := hurd/msg faultexc
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routines = hurdstartup hurdinit \
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hurdid hurdpid hurdrlimit hurdprio hurdexec hurdselect \
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hurdlookup lookup-retry lookup-at \
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get-host set-host \
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path-lookup \
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setauth \
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pid2task task2pid \
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geteuids seteuids getumask fchroot \
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hurdsock hurdauth \
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hurdchdir hurdfchdir \
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privports \
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msgportdemux \
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fopenport \
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vpprintf \
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ports-get ports-set hurdports hurdmsg \
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errno-loc \
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hurdlock \
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$(sig) $(dtable) $(inlines) \
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fd-cleanup port-cleanup report-wait xattr
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sig = hurdsig hurdfault siginfo hurd-raise preempt-sig \
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trampoline longjmp-ts catch-exc exc2signal hurdkill sigunwind \
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thread-self thread-cancel intr-msg catch-signal
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dtable = dtable port2fd new-fd alloc-fd intern-fd \
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getdport openport \
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fd-close fd-read fd-write hurdioctl ctty-input ctty-output
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inlines = $(inline-headers:%.h=%-inlines)
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# XXX this is a temporary hack; see hurdmalloc.h
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routines += hurdmalloc
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# Binary compatibility for libc.so.0.2[GLIBC_2.0].
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ifeq ($(build-shared),yes)
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routines += compat-20
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endif
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shared-only-routines = compat-20
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# For each of the $(inline-headers), generate a trivial source
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# file that will #include it to define its inline functions as real functions.
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$(inlines:%=$(objpfx)%.c): $(objpfx)%-inlines.c: %.h
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(h="`echo $(subst /,_,$*) | tr '[a-z]' '[A-Z]'`"; \
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echo "#define _$${h}_H_EXTERN_INLINE /* Define real function. */"; \
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echo "#define _$${h}_H_HIDDEN_DEF /* Declare hidden definition. */"; \
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echo '#include "$<"') > $@-new
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mv -f $@-new $@
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generated += $(inlines:=.c)
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# Avoid ssp before TLS is initialized.
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CFLAGS-hurdstartup.o = $(no-stack-protector)
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CFLAGS-RPC_exec_startup_get_info.o = $(no-stack-protector)
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# Make it simpler to unwind over INTR_MSG_TRAP
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CFLAGS-intr-msg.o = -fno-omit-frame-pointer
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# Make generated headers compatible with all support standards
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migheaderpipe := | sed -e 's/\<ino64_t\>/__ino64_t/' -e 's/\<loff_t\>/__loff_t/'
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include ../mach/Machrules
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libhurduser-routines += RPC_gsync_wait_intr
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include ../Rules
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# intr-rpc.defs defines the INTR_INTERFACE macro to make the generated RPC
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# stubs import <hurd/signal.h> and #define __mach_msg to
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# _hurd_intr_rpc_mach_msg.
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user-MIGFLAGS += -imacros intr-rpc.defs
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# The special exc server for sigthread faults uses a special prefix.
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MIGFLAGS-faultexc = -prefix _hurdsig_fault_
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# We need this static dependency to get faultexc.h generated the first time.
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$(objpfx)hurdfault.o $(objpfx)hurdfault.d: \
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$(objpfx)faultexc_server.h $(objpfx)faultexc_server.c
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