diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-01 09:31:04 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-01 09:31:04 -0800 |
commit | ca0c836d88dd2705879d24a754343467fc5a5ba6 (patch) | |
tree | 0a6aa38735d9cc74dbf88c00b7d68b79db922a21 /arch/s390/include/asm | |
parent | 255442c93843f52b6891b21d0b485bf2c97f93c3 (diff) | |
parent | 47d67facb057b15d29d65170df06b102a3ddd34e (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
"Bug fixes, small improvements and one notable change: the system call
table and the unistd.h header are now generated automatically with a
shell script from a text file"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/decompressor: discard __ksymtab and .eh_frame sections
s390: fix handling of -1 in set{,fs}[gu]id16 syscalls
s390/tools: generate header files in arch/s390/include/generated/
s390/syscalls: use generated syscall_table.h and unistd.h header files
s390/syscalls: add Makefile to generate system call header files
s390/syscalls: add syscalltbl script
s390/syscalls: add system call table
s390/decompressor: swap .text and .rodata.compressed sections
s390/sclp: fix .data section specification
s390/ipl: avoid usage of __section(.data)
s390/head: replace hard coded values with constants
s390/disassembler: add generated gen_opcode_table tool to .gitignore
s390: remove bogus system call table entries
s390/kprobes: remove duplicate includes
s390/dasd: Remove dead return code checks
s390/dasd: Simplify code
s390/vdso: revise CFI annotations of vDSO functions
s390/kernel: emit CFI data in .debug_frame and discard .eh_frame sections
Diffstat (limited to 'arch/s390/include/asm')
-rw-r--r-- | arch/s390/include/asm/Kbuild | 5 | ||||
-rw-r--r-- | arch/s390/include/asm/dis.h | 2 | ||||
-rw-r--r-- | arch/s390/include/asm/dwarf.h | 37 | ||||
-rw-r--r-- | arch/s390/include/asm/facility.h | 2 | ||||
-rw-r--r-- | arch/s390/include/asm/unistd.h | 1 |
5 files changed, 45 insertions, 2 deletions
diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild index dade72be127b..f6c2ba93b21c 100644 --- a/arch/s390/include/asm/Kbuild +++ b/arch/s390/include/asm/Kbuild @@ -1,4 +1,9 @@ # SPDX-License-Identifier: GPL-2.0 +generated-y += dis-defs.h +generated-y += facility-defs.h +generated-y += syscall_table.h +generated-y += unistd_nr.h + generic-y += asm-offsets.h generic-y += cacheflush.h generic-y += clkdev.h diff --git a/arch/s390/include/asm/dis.h b/arch/s390/include/asm/dis.h index b0480c60a8e1..c18ed6091914 100644 --- a/arch/s390/include/asm/dis.h +++ b/arch/s390/include/asm/dis.h @@ -9,7 +9,7 @@ #ifndef __ASM_S390_DIS_H__ #define __ASM_S390_DIS_H__ -#include <generated/dis.h> +#include <asm/dis-defs.h> static inline int insn_length(unsigned char code) { diff --git a/arch/s390/include/asm/dwarf.h b/arch/s390/include/asm/dwarf.h new file mode 100644 index 000000000000..4f21ae561e4d --- /dev/null +++ b/arch/s390/include/asm/dwarf.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_S390_DWARF_H +#define _ASM_S390_DWARF_H + +#ifdef __ASSEMBLY__ + +#define CFI_STARTPROC .cfi_startproc +#define CFI_ENDPROC .cfi_endproc +#define CFI_DEF_CFA_OFFSET .cfi_def_cfa_offset +#define CFI_ADJUST_CFA_OFFSET .cfi_adjust_cfa_offset +#define CFI_RESTORE .cfi_restore + +#ifdef CONFIG_AS_CFI_VAL_OFFSET +#define CFI_VAL_OFFSET .cfi_val_offset +#else +#define CFI_VAL_OFFSET # +#endif + +#ifndef BUILD_VDSO + /* + * Emit CFI data in .debug_frame sections and not in .eh_frame + * sections. The .eh_frame CFI is used for runtime unwind + * information that is not being used. Hence, vmlinux.lds.S + * can discard the .eh_frame sections. + */ + .cfi_sections .debug_frame +#else + /* + * For vDSO, emit CFI data in both, .eh_frame and .debug_frame + * sections. + */ + .cfi_sections .eh_frame, .debug_frame +#endif + +#endif /* __ASSEMBLY__ */ + +#endif /* _ASM_S390_DWARF_H */ diff --git a/arch/s390/include/asm/facility.h b/arch/s390/include/asm/facility.h index f040644575b7..fbe0c4be3cd8 100644 --- a/arch/s390/include/asm/facility.h +++ b/arch/s390/include/asm/facility.h @@ -8,7 +8,7 @@ #ifndef __ASM_FACILITY_H #define __ASM_FACILITY_H -#include <generated/facilities.h> +#include <asm/facility-defs.h> #include <linux/string.h> #include <linux/preempt.h> #include <asm/lowcore.h> diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h index 7807093b73be..fd79c0d35dc4 100644 --- a/arch/s390/include/asm/unistd.h +++ b/arch/s390/include/asm/unistd.h @@ -8,6 +8,7 @@ #define _ASM_S390_UNISTD_H_ #include <uapi/asm/unistd.h> +#include <asm/unistd_nr.h> #define __IGNORE_time #define __IGNORE_pkey_mprotect |