Add an ARM ELF header file

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5262 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 243 insertions, 0 deletions

diff --git a/nuttx/arch/arm/include/elf.h b/nuttx/arch/arm/include/elf.h
new file mode 100644
index 000000000..d85385380
--- /dev/null
+++ b/nuttx/arch/arm/include/elf.h
@@ -0,0 +1,243 @@
+/****************************************************************************
+ * arch/arm/include/syscall.h
+ *
+ *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Reference: "ELF for the ARMŽ Architecture," ARM IHI 0044D, current through
+ *   ABI release 2.08, October 28, 2009, ARM Limited.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __ARCH_ARM_INCLUDE_ELF_H
+#define __ARCH_ARM_INCLUDE_ELF_H
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* 4.3.1 ELF Identification.  Should have:
+ *
+ * e_machine         = EM_ARM
+ * e_ident[EI_CLASS] = ELFCLASS32
+ * e_ident[EI_DATA]  = ELFDATA2LSB (little endian) or ELFDATA2MSB (big endian)
+ */
+
+#if 0 /* Defined in include/elf.h */
+#define EM_ARM                   40
+#endif
+
+/* Table 4-2, ARM-specific e_flags */
+
+#define EF_ARM_EABI_MASK         0xff000000
+#define EF_ARM_EABI_UNKNOWN      0x00000000
+#define EF_ARM_EABI_VER1         0x01000000
+#define EF_ARM_EABI_VER2         0x02000000
+#define EF_ARM_EABI_VER3         0x03000000
+#define EF_ARM_EABI_VER4         0x04000000
+#define EF_ARM_EABI_VER5         0x05000000
+
+#define EF_ARM_BE8               0x00800000 
+
+/* Table 4-4, Processor specific section types */
+
+#define SHT_ARM_EXIDX            0x70000001 /* Exception Index table */
+#define SHT_ARM_PREEMPTMAP       0x70000002 /* BPABI DLL dynamic linking pre-emption map */
+#define SHT_ARM_ATTRIBUTES       0x70000003 /* Object file compatibility attributes */
+#define SHT_ARM_DEBUGOVERLAY     0x70000004
+#define SHT_ARM_OVERLAYSECTION   0x70000005
+
+/* 4.7.1 Relocation codes
+ *
+ * S (when used on its own) is the address of the symbol.
+ * A is the addend for the relocation.
+ * P is the address of the place being relocated (derived from r_offset).
+ * Pa is the adjusted address of the place being relocated, defined as (P & 0xFFFFFFFC).
+ * T is 1 if the target symbol S has type STT_FUNC and the symbol addresses a Thumb instruction;
+ *   it is 0 otherwise.
+ * B(S) is the addressing origin of the output segment defining the symbol S.
+ * GOT_ORG is the addressing origin of the Global Offset Table
+ * GOT(S) is the address of the GOT entry for the symbol S.
+ */
+
+#define R_ARM_NONE               0             /* No relocation */
+#define R_ARM_PC24               1             /* ARM       ((S + A) | T) - P */
+#define R_ARM_ABS32              2             /* Data      (S + A) | T */
+#define R_ARM_REL32              3             /* Data      ((S + A) | T) - P */
+#define R_ARM_LDR_PC_G0          4             /* ARM       S + A - P */
+#define R_ARM_ABS16              5             /* Data      S + A */
+#define R_ARM_ABS12              6             /* ARM       S + A */
+#define R_ARM_THM_ABS5           7             /* Thumb16   S + A */
+#define R_ARM_ABS8               8             /* Data      S + A */
+#define R_ARM_SBREL32            9             /* Data      ((S + A) | T) - B(S) */
+#define R_ARM_THM_CALL           10            /* Thumb32   ((S + A) | T) - P */
+#define R_ARM_THM_PC8            11            /* Thumb16   S + A - Pa */
+#define R_ARM_BREL_ADJ           12            /* Data      ?B(S) + A */
+#define R_ARM_TLS_DESC           13            /* Data     */
+#define R_ARM_THM_SWI8           14            /* Obsolete */
+#define R_ARM_XPC25              15            /* Obsolete */
+#define R_ARM_THM_XPC22          16            /* Obsolete */
+#define R_ARM_TLS_DTPMOD32       17            /* Data      Module[S] */
+#define R_ARM_TLS_DTPOFF32       18            /* Data      S + A - TLS */
+#define R_ARM_TLS_TPOFF32        19            /* Data      S + A - tp */
+#define R_ARM_COPY               20            /* Miscellaneous */
+#define R_ARM_GLOB_DAT           21            /* Data      (S + A) | T */
+#define R_ARM_JUMP_SLOT          22            /* Data      (S + A) | T */
+#define R_ARM_RELATIVE           23            /* Data      B(S) + A */
+#define R_ARM_GOTOFF32           24            /* Data      ((S + A) | T) - GOT_ORG */
+#define R_ARM_BASE_PREL          25            /* Data      B(S) + A - P */
+#define R_ARM_GOT_BREL           26            /* Data      GOT(S) + A - GOT_ORG */
+#define R_ARM_PLT32              27            /* ARM       ((S + A) | T) - P */
+#define R_ARM_CALL               28            /* ARM       ((S + A) | T) - P */
+#define R_ARM_JUMP24             29            /* ARM       ((S + A) | T) - P */
+#define R_ARM_THM_JUMP24         30            /* Thumb32   ((S + A) | T) - P */
+#define R_ARM_BASE_ABS           31            /* Data      B(S) + A */
+#define R_ARM_ALU_PCREL_7_0      32            /* Obsolete */
+#define R_ARM_ALU_PCREL_15_8     33            /* Obsolete */
+#define R_ARM_ALU_PCREL_23_15    34            /* Obsolete */
+#define R_ARM_LDR_SBREL_11_0_NC  35            /* ARM       S + A - B(S) */
+#define R_ARM_ALU_SBREL_19_12_NC 36            /* ARM       S + A - B(S) */
+#define R_ARM_ALU_SBREL_27_20_CK 37            /* ARM       S + A - B(S) */
+#define R_ARM_TARGET1            38            /* Miscellaneous (S + A) | T or ((S + A) | T) - P */
+#define R_ARM_SBREL31            39            /* Data      ((S + A) | T) - B(S) */
+#define R_ARM_V4BX               40            /* Miscellaneous */
+#define R_ARM_TARGET2            41            /* Miscellaneous */
+#define R_ARM_PREL31             42            /* Data      ((S + A) | T) - P */
+#define R_ARM_MOVW_ABS_NC        43            /* ARM       (S + A) | T */
+#define R_ARM_MOVT_ABS           44            /* ARM       S + A */
+#define R_ARM_MOVW_PREL_NC       45            /* ARM       ((S + A) | T) - P */
+#define R_ARM_MOVT_PREL          46            /* ARM       S + A - P */
+#define R_ARM_THM_MOVW_ABS_NC    47            /* Thumb32   (S + A) | T */
+#define R_ARM_THM_MOVT_ABS       48            /* Thumb32   S + A */
+#define R_ARM_THM_MOVW_PREL_NC   49            /* Thumb32   ((S + A) | T) - P */
+#define R_ARM_THM_MOVT_PREL      50            /* Thumb32   S + A - P */
+#define R_ARM_THM_JUMP19         51            /* Thumb32   ((S + A) | T) - P */
+#define R_ARM_THM_JUMP6          52            /* Thumb16   S + A - P */
+#define R_ARM_THM_ALU_PREL_11_0  53            /* Thumb32   ((S + A) | T) - Pa */
+#define R_ARM_THM_PC12           54            /* Thumb32   S + A - Pa */
+#define R_ARM_ABS32_NOI          55            /* Data      S + A */
+#define R_ARM_REL32_NOI          56            /* Data      S + A - P */
+#define R_ARM_ALU_PC_G0_NC       57            /* ARM       ((S + A) | T) - P */
+#define R_ARM_ALU_PC_G0          58            /* ARM       ((S + A) | T) - P */
+#define R_ARM_ALU_PC_G1_NC       59            /* ARM       ((S + A) | T) - P */
+#define R_ARM_ALU_PC_G1          60            /* ARM       ((S + A) | T) - P */
+#define R_ARM_ALU_PC_G2          61            /* ARM       ((S + A) | T) - P */
+#define R_ARM_LDR_PC_G1          62            /* ARM       S + A - P */
+#define R_ARM_LDR_PC_G2          63            /* ARM       S + A - P */
+#define R_ARM_LDRS_PC_G0         64            /* ARM       S + A - P */
+#define R_ARM_LDRS_PC_G1         65            /* ARM       S + A - P */
+#define R_ARM_LDRS_PC_G2         66            /* ARM       S + A - P */
+#define R_ARM_LDC_PC_G0          67            /* ARM       S + A - P */
+#define R_ARM_LDC_PC_G1          68            /* ARM       S + A - P */
+#define R_ARM_LDC_PC_G2          69            /* ARM       S + A - P */
+#define R_ARM_ALU_SB_G0_NC       70            /* ARM       ((S + A) | T) - B(S) */
+#define R_ARM_ALU_SB_G0          71            /* ARM       ((S + A) | T) - B(S) */
+#define R_ARM_ALU_SB_G1_NC       72            /* ARM       ((S + A) | T) - B(S) */
+#define R_ARM_ALU_SB_G1          73            /* ARM       ((S + A) | T) - B(S) */
+#define R_ARM_ALU_SB_G2          74            /* ARM       ((S + A) | T) - B(S) */
+#define R_ARM_LDR_SB_G0          75            /* ARM       S + A - B(S) */
+#define R_ARM_LDR_SB_G1          76            /* ARM       S + A - B(S) */
+#define R_ARM_LDR_SB_G2          77            /* ARM       S + A - B(S) */
+#define R_ARM_LDRS_SB_G0         78            /* ARM       S + A - B(S) */
+#define R_ARM_LDRS_SB_G1         79            /* ARM       S + A - B(S) */
+#define R_ARM_LDRS_SB_G2         80            /* ARM       S + A - B(S) */
+#define R_ARM_LDC_SB_G0          81            /* ARM       S + A - B(S) */
+#define R_ARM_LDC_SB_G1          82            /* ARM       S + A - B(S) */
+#define R_ARM_LDC_SB_G2          83            /* ARM       S + A - B(S) */
+#define R_ARM_MOVW_BREL_NC       84            /* ARM       ((S + A) | T) - B(S) */
+#define R_ARM_MOVT_BREL          85            /* ARM       S + A - B(S) */
+#define R_ARM_MOVW_BREL          86            /* ARM       ((S + A) | T) - B(S) */
+#define R_ARM_THM_MOVW_BREL_NC   87            /* Thumb32   ((S + A) | T) - B(S) */
+#define R_ARM_THM_MOVT_BREL      88            /* Thumb32   S + A - B(S) */
+#define R_ARM_THM_MOVW_BREL      89            /* Thumb32   ((S + A) | T) - B(S) */
+#define R_ARM_TLS_GOTDESC        90            /* Data */
+#define R_ARM_TLS_CALL           91            /* ARM */
+#define R_ARM_TLS_DESCSEQ        92            /* ARM       TLS relaxation */
+#define R_ARM_THM_TLS_CALL       93            /* Thumb32 */
+#define R_ARM_PLT32_ABS          94            /* Data      PLT(S) + A */
+#define R_ARM_GOT_ABS            95            /* Data      GOT(S) + A */
+#define R_ARM_GOT_PREL           96            /* Data      GOT(S) + A - P */
+#define R_ARM_GOT_BREL12         97            /* ARM       GOT(S) + A - GOT_ORG */
+#define R_ARM_GOTOFF12           98            /* ARM       S + A - GOT_ORG */
+#define R_ARM_GOTRELAX           99            /* Miscellaneous */
+#define R_ARM_GNU_VTENTRY        100           /* Data */
+#define R_ARM_GNU_VTINHERIT      101           /* Data */
+#define R_ARM_THM_JUMP11         102           /* Thumb16   S + A - P */
+#define R_ARM_THM_JUMP8          103           /* Thumb16   S + A - P */
+#define R_ARM_TLS_GD32           104           /* Data      GOT(S) + A - P */
+#define R_ARM_TLS_LDM32          105           /* Data      GOT(S) + A - P */
+#define R_ARM_TLS_LDO32          106           /* Data      S + A - TLS */
+#define R_ARM_TLS_IE32           107           /* Data      GOT(S) + A - P */
+#define R_ARM_TLS_LE32           108           /* Data      S + A - tp */
+#define R_ARM_TLS_LDO12          109           /* ARM       S + A - TLS */
+#define R_ARM_TLS_LE12           110           /* ARM       S + A - tp */
+#define R_ARM_TLS_IE12GP         111           /* ARM       GOT(S) + A - GOT_ORG */
+#define R_ARM_ME_TOO             128           /* Obsolete */
+#define R_ARM_THM_TLS_DESCSEQ16  129           /* Thumb16 */
+#define R_ARM_THM_TLS_DESCSEQ32  130           /* Thumb32 */
+
+/* 5.2.1 Platform architecture compatibility data */
+
+#define PT_ARM_ARCHEXT_FMTMSK       0xff000000
+#define PT_ARM_ARCHEXT_PROFMSK      0x00ff0000
+#define PT_ARM_ARCHEXT_ARCHMSK      0x000000ff
+
+#define PT_ARM_ARCHEXT_FMT_OS       0x00000000
+#define PT_ARM_ARCHEXT_FMT_ABI      0x01000000
+
+#define PT_ARM_ARCHEXT_PROF_NONE    0x00000000
+#define PT_ARM_ARCHEXT_PROF_ARM     0x00410000
+#define PT_ARM_ARCHEXT_PROF_RT      0x00520000
+#define PT_ARM_ARCHEXT_PROF_MC      0x004d0000
+#define PT_ARM_ARCHEXT_PROF_CLASSIC 0x00530000
+
+#define PT_ARM_ARCHEXT_ARCH_UNKNOWN 0x00
+#define PT_ARM_ARCHEXT_ARCHv4       0x01
+#define PT_ARM_ARCHEXT_ARCHv4T      0x02
+#define PT_ARM_ARCHEXT_ARCHv5T      0x03
+#define PT_ARM_ARCHEXT_ARCHv5TE     0x04
+#define PT_ARM_ARCHEXT_ARCHv5TEJ    0x05
+#define PT_ARM_ARCHEXT_ARCHv6       0x06
+#define PT_ARM_ARCHEXT_ARCHv6KZ     0x07
+#define PT_ARM_ARCHEXT_ARCHv6T2     0x08
+#define PT_ARM_ARCHEXT_ARCHv6K      0x09
+#define PT_ARM_ARCHEXT_ARCHv7       0x0a
+#define PT_ARM_ARCHEXT_ARCHv6M      0x0b
+#define PT_ARM_ARCHEXT_ARCHv6SM     0x0c
+#define PT_ARM_ARCHEXT_ARCHv7EM     0x0d
+
+/* Table 5-6, ARM-specific dynamic array tags */
+
+#define DT_ARM_RESERVED1         0x70000000
+#define DT_ARM_SYMTABSZ          0x70000001
+#define DT_ARM_PREEMPTMAP        0x70000002
+#define DT_ARM_RESERVED2         0x70000003
+
+#endif /* __ARCH_ARM_INCLUDE_ELF_H */