![Kees Cook](/assets/img/avatar_default.png)
Since the EXCEPTION_TABLE is read-only, collapse it into RO_DATA. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Aurelien Jacquiot <jacquiot.aurelien@gmail.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux-alpha@vger.kernel.org Cc: linux-arch@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-c6x-dev@linux-c6x.org Cc: linux-ia64@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-s390@vger.kernel.org Cc: Mark Salter <msalter@redhat.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Rick Edgecombe <rick.p.edgecombe@intel.com> Cc: Segher Boessenkool <segher@kernel.crashing.org> Cc: Will Deacon <will@kernel.org> Cc: x86-ml <x86@kernel.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: https://lkml.kernel.org/r/20191029211351.13243-20-keescook@chromium.org
152 lines
2.2 KiB
ArmAsm
152 lines
2.2 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* ld script for the c6x kernel
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*
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* Copyright (C) 2010, 2011 Texas Instruments Incorporated
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* Mark Salter <msalter@redhat.com>
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*/
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#define RO_EXCEPTION_TABLE_ALIGN 16
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#include <asm-generic/vmlinux.lds.h>
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#include <asm/thread_info.h>
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#include <asm/page.h>
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ENTRY(_c_int00)
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#if defined(CONFIG_CPU_BIG_ENDIAN)
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jiffies = jiffies_64 + 4;
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#else
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jiffies = jiffies_64;
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#endif
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#define READONLY_SEGMENT_START \
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. = PAGE_OFFSET;
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#define READWRITE_SEGMENT_START \
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. = ALIGN(128); \
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_data_lma = .;
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SECTIONS
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{
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/*
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* Start kernel read only segment
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*/
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READONLY_SEGMENT_START
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.vectors :
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{
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_vectors_start = .;
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*(.vectors)
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. = ALIGN(0x400);
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_vectors_end = .;
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}
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/*
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* This section contains data which may be shared with other
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* cores. It needs to be a fixed offset from PAGE_OFFSET
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* regardless of kernel configuration.
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*/
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.virtio_ipc_dev :
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{
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*(.virtio_ipc_dev)
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}
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. = ALIGN(PAGE_SIZE);
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__init_begin = .;
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.init :
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{
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_sinittext = .;
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HEAD_TEXT
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INIT_TEXT
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_einittext = .;
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}
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INIT_DATA_SECTION(16)
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PERCPU_SECTION(128)
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. = ALIGN(PAGE_SIZE);
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__init_end = .;
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.text :
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{
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_text = .;
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_stext = .;
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TEXT_TEXT
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SCHED_TEXT
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CPUIDLE_TEXT
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LOCK_TEXT
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IRQENTRY_TEXT
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SOFTIRQENTRY_TEXT
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KPROBES_TEXT
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*(.fixup)
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*(.gnu.warning)
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}
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RO_DATA(PAGE_SIZE)
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.const :
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{
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*(.const .const.* .gnu.linkonce.r.*)
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*(.switch)
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}
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_etext = .;
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/*
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* Start kernel read-write segment.
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*/
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READWRITE_SEGMENT_START
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_sdata = .;
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.fardata : AT(ADDR(.fardata) - LOAD_OFFSET)
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{
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INIT_TASK_DATA(THREAD_SIZE)
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NOSAVE_DATA
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PAGE_ALIGNED_DATA(PAGE_SIZE)
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CACHELINE_ALIGNED_DATA(128)
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READ_MOSTLY_DATA(128)
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DATA_DATA
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CONSTRUCTORS
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*(.data1)
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*(.fardata .fardata.*)
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*(.data.debug_bpt)
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}
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.neardata ALIGN(8) : AT(ADDR(.neardata) - LOAD_OFFSET)
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{
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*(.neardata2 .neardata2.* .gnu.linkonce.s2.*)
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*(.neardata .neardata.* .gnu.linkonce.s.*)
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. = ALIGN(8);
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}
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BUG_TABLE
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_edata = .;
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__bss_start = .;
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SBSS(8)
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BSS(8)
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.far :
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{
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. = ALIGN(8);
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*(.dynfar)
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*(.far .far.* .gnu.linkonce.b.*)
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. = ALIGN(8);
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}
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__bss_stop = .;
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_end = .;
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DWARF_DEBUG
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/DISCARD/ :
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{
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EXIT_TEXT
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EXIT_DATA
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EXIT_CALL
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*(.discard)
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*(.discard.*)
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*(.interp)
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}
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}
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