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x86: implement x86_32 stack protector
[net-next-2.6.git] / arch / x86 / kernel / Makefile
1 #
2 # Makefile for the linux kernel.
3 #
4
5 extra-y                := head_$(BITS).o head$(BITS).o head.o init_task.o vmlinux.lds
6
7 CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
8
9 ifdef CONFIG_FUNCTION_TRACER
10 # Do not profile debug and lowlevel utilities
11 CFLAGS_REMOVE_tsc.o = -pg
12 CFLAGS_REMOVE_rtc.o = -pg
13 CFLAGS_REMOVE_paravirt-spinlocks.o = -pg
14 CFLAGS_REMOVE_ftrace.o = -pg
15 CFLAGS_REMOVE_early_printk.o = -pg
16 endif
17
18 #
19 # vsyscalls (which work on the user stack) should have
20 # no stack-protector checks:
21 #
22 nostackp := $(call cc-option, -fno-stack-protector)
23 CFLAGS_vsyscall_64.o    := $(PROFILING) -g0 $(nostackp)
24 CFLAGS_hpet.o           := $(nostackp)
25 CFLAGS_tsc.o            := $(nostackp)
26 CFLAGS_paravirt.o       := $(nostackp)
27 #
28 # On x86_32, register frame is passed verbatim on stack as struct
29 # pt_regs.  gcc considers the parameter to belong to the callee and
30 # with -fstack-protector it copies pt_regs to the callee's stack frame
31 # to put the structure after the stack canary causing changes made by
32 # the exception handlers to be lost.  Turn off stack protector for all
33 # files containing functions which take struct pt_regs from register
34 # frame.
35 #
36 # The proper way to fix this is to teach gcc that the argument belongs
37 # to the caller for these functions, oh well...
38 #
39 ifdef CONFIG_X86_32
40 CFLAGS_process_32.o     := $(nostackp)
41 CFLAGS_vm86_32.o        := $(nostackp)
42 CFLAGS_signal.o         := $(nostackp)
43 CFLAGS_traps.o          := $(nostackp)
44 endif
45
46 obj-y                   := process_$(BITS).o signal.o entry_$(BITS).o
47 obj-y                   += traps.o irq.o irq_$(BITS).o dumpstack_$(BITS).o
48 obj-y                   += time_$(BITS).o ioport.o ldt.o dumpstack.o
49 obj-y                   += setup.o i8259.o irqinit_$(BITS).o
50 obj-$(CONFIG_X86_VISWS) += visws_quirks.o
51 obj-$(CONFIG_X86_32)    += probe_roms_32.o
52 obj-$(CONFIG_X86_32)    += sys_i386_32.o i386_ksyms_32.o
53 obj-$(CONFIG_X86_64)    += sys_x86_64.o x8664_ksyms_64.o
54 obj-$(CONFIG_X86_64)    += syscall_64.o vsyscall_64.o
55 obj-y                   += bootflag.o e820.o
56 obj-y                   += pci-dma.o quirks.o i8237.o topology.o kdebugfs.o
57 obj-y                   += alternative.o i8253.o pci-nommu.o
58 obj-y                   += tsc.o io_delay.o rtc.o
59
60 obj-$(CONFIG_X86_TRAMPOLINE)    += trampoline.o
61 obj-y                           += process.o
62 obj-y                           += i387.o xsave.o
63 obj-y                           += ptrace.o
64 obj-$(CONFIG_X86_DS)            += ds.o
65 obj-$(CONFIG_X86_32)            += tls.o
66 obj-$(CONFIG_IA32_EMULATION)    += tls.o
67 obj-y                           += step.o
68 obj-$(CONFIG_STACKTRACE)        += stacktrace.o
69 obj-y                           += cpu/
70 obj-y                           += acpi/
71 obj-$(CONFIG_X86_BIOS_REBOOT)   += reboot.o
72 obj-$(CONFIG_MCA)               += mca_32.o
73 obj-$(CONFIG_X86_MSR)           += msr.o
74 obj-$(CONFIG_X86_CPUID)         += cpuid.o
75 obj-$(CONFIG_PCI)               += early-quirks.o
76 apm-y                           := apm_32.o
77 obj-$(CONFIG_APM)               += apm.o
78 obj-$(CONFIG_X86_SMP)           += smp.o
79 obj-$(CONFIG_X86_SMP)           += smpboot.o tsc_sync.o ipi.o
80 obj-$(CONFIG_SMP)               += setup_percpu.o
81 obj-$(CONFIG_X86_64_SMP)        += tsc_sync.o
82 obj-$(CONFIG_X86_TRAMPOLINE)    += trampoline_$(BITS).o
83 obj-$(CONFIG_X86_MPPARSE)       += mpparse.o
84 obj-$(CONFIG_X86_LOCAL_APIC)    += apic.o nmi.o
85 obj-$(CONFIG_X86_IO_APIC)       += io_apic.o
86 obj-$(CONFIG_X86_REBOOTFIXUPS)  += reboot_fixups_32.o
87 obj-$(CONFIG_DYNAMIC_FTRACE)    += ftrace.o
88 obj-$(CONFIG_FUNCTION_GRAPH_TRACER)     += ftrace.o
89 obj-$(CONFIG_KEXEC)             += machine_kexec_$(BITS).o
90 obj-$(CONFIG_KEXEC)             += relocate_kernel_$(BITS).o crash.o
91 obj-$(CONFIG_CRASH_DUMP)        += crash_dump_$(BITS).o
92 obj-$(CONFIG_X86_NUMAQ)         += numaq_32.o
93 obj-$(CONFIG_X86_ES7000)        += es7000_32.o
94 obj-$(CONFIG_X86_SUMMIT_NUMA)   += summit_32.o
95 obj-y                           += vsmp_64.o
96 obj-$(CONFIG_KPROBES)           += kprobes.o
97 obj-$(CONFIG_MODULES)           += module_$(BITS).o
98 obj-$(CONFIG_EFI)               += efi.o efi_$(BITS).o efi_stub_$(BITS).o
99 obj-$(CONFIG_DOUBLEFAULT)       += doublefault_32.o
100 obj-$(CONFIG_KGDB)              += kgdb.o
101 obj-$(CONFIG_VM86)              += vm86_32.o
102 obj-$(CONFIG_EARLY_PRINTK)      += early_printk.o
103
104 obj-$(CONFIG_HPET_TIMER)        += hpet.o
105
106 obj-$(CONFIG_K8_NB)             += k8.o
107 obj-$(CONFIG_MGEODE_LX)         += geode_32.o mfgpt_32.o
108 obj-$(CONFIG_DEBUG_RODATA_TEST) += test_rodata.o
109 obj-$(CONFIG_DEBUG_NX_TEST)     += test_nx.o
110
111 obj-$(CONFIG_VMI)               += vmi_32.o vmiclock_32.o
112 obj-$(CONFIG_KVM_GUEST)         += kvm.o
113 obj-$(CONFIG_KVM_CLOCK)         += kvmclock.o
114 obj-$(CONFIG_PARAVIRT)          += paravirt.o paravirt_patch_$(BITS).o paravirt-spinlocks.o
115 obj-$(CONFIG_PARAVIRT_CLOCK)    += pvclock.o
116
117 obj-$(CONFIG_PCSPKR_PLATFORM)   += pcspeaker.o
118
119 obj-$(CONFIG_SCx200)            += scx200.o
120 scx200-y                        += scx200_32.o
121
122 obj-$(CONFIG_OLPC)              += olpc.o
123
124 microcode-y                             := microcode_core.o
125 microcode-$(CONFIG_MICROCODE_INTEL)     += microcode_intel.o
126 microcode-$(CONFIG_MICROCODE_AMD)       += microcode_amd.o
127 obj-$(CONFIG_MICROCODE)                 += microcode.o
128
129 obj-$(CONFIG_X86_CHECK_BIOS_CORRUPTION) += check.o
130
131 obj-$(CONFIG_SWIOTLB)                   += pci-swiotlb_64.o # NB rename without _64
132
133 ###
134 # 64 bit specific files
135 ifeq ($(CONFIG_X86_64),y)
136         obj-y                           += genapic_64.o genapic_flat_64.o
137         obj-y                           += genx2apic_cluster.o
138         obj-y                           += genx2apic_phys.o
139         obj-$(CONFIG_X86_UV)            += genx2apic_uv_x.o tlb_uv.o
140         obj-$(CONFIG_X86_UV)            += bios_uv.o uv_irq.o uv_sysfs.o
141         obj-$(CONFIG_X86_PM_TIMER)      += pmtimer_64.o
142         obj-$(CONFIG_AUDIT)             += audit_64.o
143
144         obj-$(CONFIG_GART_IOMMU)        += pci-gart_64.o aperture_64.o
145         obj-$(CONFIG_CALGARY_IOMMU)     += pci-calgary_64.o tce_64.o
146         obj-$(CONFIG_AMD_IOMMU)         += amd_iommu_init.o amd_iommu.o
147
148         obj-$(CONFIG_PCI_MMCONFIG)      += mmconf-fam10h_64.o
149 endif