From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3695236-1518513129-2-7363471032737121959 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, FREEMAIL_FROM 0.001, RCVD_IN_DNSWL_NONE -0.0001, RCVD_IN_MSPIKE_H3 -0.01, RCVD_IN_MSPIKE_WL -0.01, SPF_PASS -0.001, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='74.125.83.65', Host='mail-pg0-f65.google.com', Country='US', FromHeader='com', MailFrom='com' X-Spam-charsets: X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: green.hu@gmail.com ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1518513128; b=DIjavNQUuawut68Ux/aCkyyhiBfayVS3x5jOluwaH2E0jzO 17DSZgCKeMR5vbmx8bUDiGjXtdATT+ZNHantQkQl8qn9hJBwe9TtwmP7z8U0RKyK RZOx+TcXvot9KprgGKzmf70tq8Ve7FRYs4Mj6hm9n+yvN19y8D8IlPnxwy5UHeZ/ SxIGMVaZ7fTlOlg2XhtHfh631UxBDBDEYtk9DVa1IyVUGfzbLApZB+eagKtpB6E9 2XXdyA7EKgGtwd9xqHk2mlIgOH/ZoQZsLfUF4Kqe/Of6OqLN6eJKudcdWNsKnJDg nMPz5BRaE96e0/HFSAO5DDwb3VIT7JooVbLiMrw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:in-reply-to:references; s=arctest; t= 1518513128; bh=qqvurvrClowxVShKz8LMIXEu+nVWu82SKhjKLsPvssw=; b=h KTq/9rMWqOgcJK/YoyCwM3QBWXyI72QY3etZDalJvTK9mmoGF950uL7za2A8O5vN kyMXcUWzYRUu69xqBHadsQKP1oKw5Op6QOk2wwSc9YsNcrgC/j+DoWtYGHyLFGzu lw2MlbkBeNQWXytXvbfrsPgCQLW5Kx9fq+pglCi+qd9T17YghPCgyMgLuY2VKYKO /9XAIhCVt1yGhDhkJAyBbNrMIGl7IGNXPZlrTBI2rH3WVuqZGzrEm47AhS6ijsG3 7fjnPUHDebElbbO6y3WGy3DxmuozyeoapAUlKe/XXkX2CXnaT4GoZTYAO8g5ixsf RdjtcVvdWwr5zShT9xxAw== ARC-Authentication-Results: i=1; mx6.messagingengine.com; arc=none (no signatures found); dkim=pass (2048-bit rsa key sha256) header.d=gmail.com header.i=@gmail.com header.b=E/VukaxI x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=20161025; dmarc=pass (p=none,d=none) header.from=gmail.com; iprev=pass policy.iprev=74.125.83.65 (mail-pg0-f65.google.com); spf=pass smtp.mailfrom=green.hu@gmail.com smtp.helo=mail-pg0-f65.google.com; x-aligned-from=pass; x-google-dkim=pass (2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=p4rspzQu; x-ptr=pass x-ptr-helo=mail-pg0-f65.google.com x-ptr-lookup=mail-pg0-f65.google.com; x-return-mx=pass smtp.domain=gmail.com smtp.result=pass smtp_is_org_domain=yes header.domain=gmail.com header.result=pass header_is_org_domain=yes; x-tls=pass version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128 Authentication-Results: mx6.messagingengine.com; arc=none (no signatures found); dkim=pass (2048-bit rsa key sha256) header.d=gmail.com header.i=@gmail.com header.b=E/VukaxI x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=20161025; dmarc=pass (p=none,d=none) header.from=gmail.com; iprev=pass policy.iprev=74.125.83.65 (mail-pg0-f65.google.com); spf=pass smtp.mailfrom=green.hu@gmail.com smtp.helo=mail-pg0-f65.google.com; x-aligned-from=pass; x-google-dkim=pass (2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=p4rspzQu; x-ptr=pass x-ptr-helo=mail-pg0-f65.google.com x-ptr-lookup=mail-pg0-f65.google.com; x-return-mx=pass smtp.domain=gmail.com smtp.result=pass smtp_is_org_domain=yes header.domain=gmail.com header.result=pass header_is_org_domain=yes; x-tls=pass version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128 X-Google-Smtp-Source: AH8x227wV0UzclfFT2d7RXF7sPYeR0ueq42g4TeZHisbnrmagIaDFJzn0ctOLBxow/OCfDvhVOQdPQ== From: Greentime Hu X-Google-Original-From: Greentime Hu To: greentime@andestech.com, linux-kernel@vger.kernel.org, arnd@arndb.de, linux-arch@vger.kernel.org, tglx@linutronix.de, jason@lakedaemon.net, marc.zyngier@arm.com, robh+dt@kernel.org, netdev@vger.kernel.org, deanbo422@gmail.com, devicetree@vger.kernel.org, viro@zeniv.linux.org.uk, dhowells@redhat.com, will.deacon@arm.com, daniel.lezcano@linaro.org, linux-serial@vger.kernel.org, geert.uytterhoeven@gmail.com, linus.walleij@linaro.org, mark.rutland@arm.com, greg@kroah.com, ren_guo@c-sky.com, rdunlap@infradead.org, davem@davemloft.net, jonas@southpole.se, stefan.kristiansson@saunalahti.fi, shorne@gmail.com Cc: green.hu@gmail.com, Vincent Chen Subject: [PATCH v7 18/37] nds32: ELF definitions Date: Tue, 13 Feb 2018 17:09:22 +0800 Message-Id: <24b075d1b99f22b0920ebb0186b5f5af8256f31c.1518505384.git.greentime@andestech.com> X-Mailer: git-send-email 2.16.1 In-Reply-To: References: In-Reply-To: References: X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: This patch adds definitions for the ELF format, relocation types, vdso locations and EXEC_PAGESIZE. Signed-off-by: Vincent Chen Signed-off-by: Greentime Hu Acked-by: Arnd Bergmann --- arch/nds32/include/asm/elf.h | 171 +++++++++++++++++++++++++++++++++++ arch/nds32/include/uapi/asm/auxvec.h | 12 +++ arch/nds32/include/uapi/asm/param.h | 11 +++ 3 files changed, 194 insertions(+) create mode 100644 arch/nds32/include/asm/elf.h create mode 100644 arch/nds32/include/uapi/asm/auxvec.h create mode 100644 arch/nds32/include/uapi/asm/param.h diff --git a/arch/nds32/include/asm/elf.h b/arch/nds32/include/asm/elf.h new file mode 100644 index 000000000000..56c479058802 --- /dev/null +++ b/arch/nds32/include/asm/elf.h @@ -0,0 +1,171 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2005-2017 Andes Technology Corporation + +#ifndef __ASMNDS32_ELF_H +#define __ASMNDS32_ELF_H + +/* + * ELF register definitions.. + */ + +#include + +typedef unsigned long elf_greg_t; +typedef unsigned long elf_freg_t[3]; + +extern unsigned int elf_hwcap; + +#define EM_NDS32 167 + +#define R_NDS32_NONE 0 +#define R_NDS32_16_RELA 19 +#define R_NDS32_32_RELA 20 +#define R_NDS32_9_PCREL_RELA 22 +#define R_NDS32_15_PCREL_RELA 23 +#define R_NDS32_17_PCREL_RELA 24 +#define R_NDS32_25_PCREL_RELA 25 +#define R_NDS32_HI20_RELA 26 +#define R_NDS32_LO12S3_RELA 27 +#define R_NDS32_LO12S2_RELA 28 +#define R_NDS32_LO12S1_RELA 29 +#define R_NDS32_LO12S0_RELA 30 +#define R_NDS32_SDA15S3_RELA 31 +#define R_NDS32_SDA15S2_RELA 32 +#define R_NDS32_SDA15S1_RELA 33 +#define R_NDS32_SDA15S0_RELA 34 +#define R_NDS32_GOT20 37 +#define R_NDS32_25_PLTREL 38 +#define R_NDS32_COPY 39 +#define R_NDS32_GLOB_DAT 40 +#define R_NDS32_JMP_SLOT 41 +#define R_NDS32_RELATIVE 42 +#define R_NDS32_GOTOFF 43 +#define R_NDS32_GOTPC20 44 +#define R_NDS32_GOT_HI20 45 +#define R_NDS32_GOT_LO12 46 +#define R_NDS32_GOTPC_HI20 47 +#define R_NDS32_GOTPC_LO12 48 +#define R_NDS32_GOTOFF_HI20 49 +#define R_NDS32_GOTOFF_LO12 50 +#define R_NDS32_INSN16 51 +#define R_NDS32_LABEL 52 +#define R_NDS32_LONGCALL1 53 +#define R_NDS32_LONGCALL2 54 +#define R_NDS32_LONGCALL3 55 +#define R_NDS32_LONGJUMP1 56 +#define R_NDS32_LONGJUMP2 57 +#define R_NDS32_LONGJUMP3 58 +#define R_NDS32_LOADSTORE 59 +#define R_NDS32_9_FIXED_RELA 60 +#define R_NDS32_15_FIXED_RELA 61 +#define R_NDS32_17_FIXED_RELA 62 +#define R_NDS32_25_FIXED_RELA 63 +#define R_NDS32_PLTREL_HI20 64 +#define R_NDS32_PLTREL_LO12 65 +#define R_NDS32_PLT_GOTREL_HI20 66 +#define R_NDS32_PLT_GOTREL_LO12 67 +#define R_NDS32_LO12S0_ORI_RELA 72 +#define R_NDS32_DWARF2_OP1_RELA 77 +#define R_NDS32_DWARF2_OP2_RELA 78 +#define R_NDS32_DWARF2_LEB_RELA 79 +#define R_NDS32_WORD_9_PCREL_RELA 94 +#define R_NDS32_LONGCALL4 107 +#define R_NDS32_RELA_NOP_MIX 192 +#define R_NDS32_RELA_NOP_MAX 255 + +#define ELF_NGREG (sizeof (struct user_pt_regs) / sizeof(elf_greg_t)) +#define ELF_CORE_COPY_REGS(dest, regs) \ + *(struct user_pt_regs *)&(dest) = (regs)->user_regs; + +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; + +/* Core file format: The core file is written in such a way that gdb + can understand it and provide useful information to the user (under + linux we use the 'trad-core' bfd). There are quite a number of + obstacles to being able to view the contents of the floating point + registers, and until these are solved you will not be able to view the + contents of them. Actually, you can read in the core file and look at + the contents of the user struct to find out what the floating point + registers contain. + The actual file contents are as follows: + UPAGE: 1 page consisting of a user struct that tells gdb what is present + in the file. Directly after this is a copy of the task_struct, which + is currently not used by gdb, but it may come in useful at some point. + All of the registers are stored as part of the upage. The upage should + always be only one page. + DATA: The data area is stored. We use current->end_text to + current->brk to pick up all of the user variables, plus any memory + that may have been malloced. No attempt is made to determine if a page + is demand-zero or if a page is totally unused, we just cover the entire + range. All of the addresses are rounded in such a way that an integral + number of pages is written. + STACK: We need the stack information in order to get a meaningful + backtrace. We need to write the data from (esp) to + current->start_stack, so we round each of these off in order to be able + to write an integer number of pages. + The minimum core file size is 3 pages, or 12288 bytes. +*/ + +struct user_fp { + unsigned long long fd_regs[32]; + unsigned long fpcsr; +}; + +typedef struct user_fp elf_fpregset_t; + +struct elf32_hdr; +#define elf_check_arch(x) ((x)->e_machine == EM_NDS32) + +/* + * These are used to set parameters in the core dumps. + */ +#define ELF_CLASS ELFCLASS32 +#ifdef __NDS32_EB__ +#define ELF_DATA ELFDATA2MSB; +#else +#define ELF_DATA ELFDATA2LSB; +#endif +#define ELF_ARCH EM_NDS32 +#define USE_ELF_CORE_DUMP +#define ELF_EXEC_PAGESIZE PAGE_SIZE + +/* This is the location that an ET_DYN program is loaded if exec'ed. Typical + use of this is to invoke "./ld.so someprog" to test out a new version of + the loader. We need to make sure that it is out of the way of the program + that it will "exec", and that there is sufficient room for the brk. */ + +#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) + +/* When the program starts, a1 contains a pointer to a function to be + registered with atexit, as per the SVR4 ABI. A value of 0 means we + have no such handler. */ +#define ELF_PLAT_INIT(_r, load_addr) (_r)->uregs[0] = 0 + +/* This yields a mask that user programs can use to figure out what + instruction set this cpu supports. */ + +#define ELF_HWCAP (elf_hwcap) + +#ifdef __KERNEL__ + +#define ELF_PLATFORM (NULL) + +/* Old NetWinder binaries were compiled in such a way that the iBCS + heuristic always trips on them. Until these binaries become uncommon + enough not to care, don't trust the `ibcs' flag here. In any case + there is no other ELF system currently supported by iBCS. + @@ Could print a warning message to encourage users to upgrade. */ +#define SET_PERSONALITY(ex) set_personality(PER_LINUX) + +#endif + +#define ARCH_DLINFO \ +do { \ + NEW_AUX_ENT(AT_SYSINFO_EHDR, \ + (elf_addr_t)current->mm->context.vdso); \ +} while (0) +#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 +struct linux_binprm; +int arch_setup_additional_pages(struct linux_binprm *, int); + +#endif diff --git a/arch/nds32/include/uapi/asm/auxvec.h b/arch/nds32/include/uapi/asm/auxvec.h new file mode 100644 index 000000000000..56043ce4972f --- /dev/null +++ b/arch/nds32/include/uapi/asm/auxvec.h @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2005-2017 Andes Technology Corporation + +#ifndef __ASM_AUXVEC_H +#define __ASM_AUXVEC_H + +/* VDSO location */ +#define AT_SYSINFO_EHDR 33 + +#define AT_VECTOR_SIZE_ARCH 1 + +#endif diff --git a/arch/nds32/include/uapi/asm/param.h b/arch/nds32/include/uapi/asm/param.h new file mode 100644 index 000000000000..e3fb723ee362 --- /dev/null +++ b/arch/nds32/include/uapi/asm/param.h @@ -0,0 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2005-2017 Andes Technology Corporation + +#ifndef __ASM_NDS32_PARAM_H +#define __ASM_NDS32_PARAM_H + +#define EXEC_PAGESIZE 8192 + +#include + +#endif /* __ASM_NDS32_PARAM_H */ -- 2.16.1