X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Fcpu-arm.c;h=4a8c340f70e8b8e378895e47b7258ffc14b58fc8;hb=401e101e0274d401e90e50cd8280a9ff36006477;hp=3f56e8f9a62f64ba589048561c83185bc6078cd9;hpb=3e110533652d0f94211681ab718b7471f8bd3493;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/cpu-arm.c b/bfd/cpu-arm.c index 3f56e8f9a6..4a8c340f70 100644 --- a/bfd/cpu-arm.c +++ b/bfd/cpu-arm.c @@ -1,13 +1,12 @@ /* BFD support for the ARM processor - Copyright 1994, 1997, 1999, 2000, 2002, 2003, 2004, 2005 - Free Software Foundation, Inc. + Copyright (C) 1994-2019 Free Software Foundation, Inc. Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org) This file is part of BFD, the Binary File Descriptor library. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -17,12 +16,14 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ -#include "bfd.h" #include "sysdep.h" +#include "bfd.h" #include "libbfd.h" #include "libiberty.h" +#include "cpu-arm.h" /* This routine is provided two arch_infos and works out which ARM machine which would be compatible with both and returns a pointer @@ -65,34 +66,132 @@ static struct } processors[] = { - { bfd_mach_arm_2, "arm2" }, - { bfd_mach_arm_2a, "arm250" }, - { bfd_mach_arm_2a, "arm3" }, - { bfd_mach_arm_3, "arm6" }, - { bfd_mach_arm_3, "arm60" }, - { bfd_mach_arm_3, "arm600" }, - { bfd_mach_arm_3, "arm610" }, - { bfd_mach_arm_3, "arm7" }, - { bfd_mach_arm_3, "arm710" }, - { bfd_mach_arm_3, "arm7500" }, - { bfd_mach_arm_3, "arm7d" }, - { bfd_mach_arm_3, "arm7di" }, - { bfd_mach_arm_3M, "arm7dm" }, - { bfd_mach_arm_3M, "arm7dmi" }, - { bfd_mach_arm_4T, "arm7tdmi" }, - { bfd_mach_arm_4, "arm8" }, - { bfd_mach_arm_4, "arm810" }, - { bfd_mach_arm_4, "arm9" }, - { bfd_mach_arm_4, "arm920" }, - { bfd_mach_arm_4T, "arm920t" }, - { bfd_mach_arm_4T, "arm9tdmi" }, - { bfd_mach_arm_4, "sa1" }, - { bfd_mach_arm_4, "strongarm"}, - { bfd_mach_arm_4, "strongarm110" }, - { bfd_mach_arm_4, "strongarm1100" }, - { bfd_mach_arm_XScale, "xscale" }, - { bfd_mach_arm_ep9312, "ep9312" }, - { bfd_mach_arm_iWMMXt, "iwmmxt" } + { bfd_mach_arm_2, "arm2" }, + { bfd_mach_arm_2a, "arm250" }, + { bfd_mach_arm_2a, "arm3" }, + { bfd_mach_arm_3, "arm6" }, + { bfd_mach_arm_3, "arm60" }, + { bfd_mach_arm_3, "arm600" }, + { bfd_mach_arm_3, "arm610" }, + { bfd_mach_arm_3, "arm620" }, + { bfd_mach_arm_3, "arm7" }, + { bfd_mach_arm_3, "arm70" }, + { bfd_mach_arm_3, "arm700" }, + { bfd_mach_arm_3, "arm700i" }, + { bfd_mach_arm_3, "arm710" }, + { bfd_mach_arm_3, "arm7100" }, + { bfd_mach_arm_3, "arm710c" }, + { bfd_mach_arm_4T, "arm710t" }, + { bfd_mach_arm_3, "arm720" }, + { bfd_mach_arm_4T, "arm720t" }, + { bfd_mach_arm_4T, "arm740t" }, + { bfd_mach_arm_3, "arm7500" }, + { bfd_mach_arm_3, "arm7500fe" }, + { bfd_mach_arm_3, "arm7d" }, + { bfd_mach_arm_3, "arm7di" }, + { bfd_mach_arm_3M, "arm7dm" }, + { bfd_mach_arm_3M, "arm7dmi" }, + { bfd_mach_arm_4T, "arm7t" }, + { bfd_mach_arm_4T, "arm7tdmi" }, + { bfd_mach_arm_4T, "arm7tdmi-s" }, + { bfd_mach_arm_3M, "arm7m" }, + { bfd_mach_arm_4, "arm8" }, + { bfd_mach_arm_4, "arm810" }, + { bfd_mach_arm_4, "arm9" }, + { bfd_mach_arm_4T, "arm920" }, + { bfd_mach_arm_4T, "arm920t" }, + { bfd_mach_arm_4T, "arm922t" }, + { bfd_mach_arm_5TEJ, "arm926ej" }, + { bfd_mach_arm_5TEJ, "arm926ejs" }, + { bfd_mach_arm_5TEJ, "arm926ej-s" }, + { bfd_mach_arm_4T, "arm940t" }, + { bfd_mach_arm_5TE, "arm946e" }, + { bfd_mach_arm_5TE, "arm946e-r0" }, + { bfd_mach_arm_5TE, "arm946e-s" }, + { bfd_mach_arm_5TE, "arm966e" }, + { bfd_mach_arm_5TE, "arm966e-r0" }, + { bfd_mach_arm_5TE, "arm966e-s" }, + { bfd_mach_arm_5TE, "arm968e-s" }, + { bfd_mach_arm_5TE, "arm9e" }, + { bfd_mach_arm_5TE, "arm9e-r0" }, + { bfd_mach_arm_4T, "arm9tdmi" }, + { bfd_mach_arm_5TE, "arm1020" }, + { bfd_mach_arm_5T, "arm1020t" }, + { bfd_mach_arm_5TE, "arm1020e" }, + { bfd_mach_arm_5TE, "arm1022e" }, + { bfd_mach_arm_5TEJ, "arm1026ejs" }, + { bfd_mach_arm_5TEJ, "arm1026ej-s" }, + { bfd_mach_arm_5TE, "arm10e" }, + { bfd_mach_arm_5T, "arm10t" }, + { bfd_mach_arm_5T, "arm10tdmi" }, + { bfd_mach_arm_6, "arm1136j-s" }, + { bfd_mach_arm_6, "arm1136js" }, + { bfd_mach_arm_6, "arm1136jf-s" }, + { bfd_mach_arm_6, "arm1136jfs" }, + { bfd_mach_arm_6KZ, "arm1176jz-s" }, + { bfd_mach_arm_6KZ, "arm1176jzf-s" }, + { bfd_mach_arm_6T2, "arm1156t2-s" }, + { bfd_mach_arm_6T2, "arm1156t2f-s" }, + { bfd_mach_arm_7, "cortex-a5" }, + { bfd_mach_arm_7, "cortex-a7" }, + { bfd_mach_arm_7, "cortex-a8" }, + { bfd_mach_arm_7, "cortex-a9" }, + { bfd_mach_arm_7, "cortex-a12" }, + { bfd_mach_arm_7, "cortex-a15" }, + { bfd_mach_arm_7, "cortex-a17" }, + { bfd_mach_arm_8, "cortex-a32" }, + { bfd_mach_arm_8, "cortex-a35" }, + { bfd_mach_arm_8, "cortex-a53" }, + { bfd_mach_arm_8, "cortex-a55" }, + { bfd_mach_arm_8, "cortex-a57" }, + { bfd_mach_arm_8, "cortex-a72" }, + { bfd_mach_arm_8, "cortex-a73" }, + { bfd_mach_arm_8, "cortex-a75" }, + { bfd_mach_arm_8, "cortex-a76" }, + { bfd_mach_arm_8, "cortex-a76ae" }, + { bfd_mach_arm_8, "cortex-a77" }, + { bfd_mach_arm_6SM, "cortex-m0" }, + { bfd_mach_arm_6SM, "cortex-m0plus" }, + { bfd_mach_arm_6SM, "cortex-m1" }, + { bfd_mach_arm_8M_BASE, "cortex-m23" }, + { bfd_mach_arm_7, "cortex-m3" }, + { bfd_mach_arm_8M_MAIN, "cortex-m33" }, + { bfd_mach_arm_8M_MAIN, "cortex-m35p" }, + { bfd_mach_arm_7EM, "cortex-m4" }, + { bfd_mach_arm_7EM, "cortex-m7" }, + { bfd_mach_arm_7, "cortex-r4" }, + { bfd_mach_arm_7, "cortex-r4f" }, + { bfd_mach_arm_7, "cortex-r5" }, + { bfd_mach_arm_8R, "cortex-r52" }, + { bfd_mach_arm_7, "cortex-r7" }, + { bfd_mach_arm_7, "cortex-r8" }, + { bfd_mach_arm_4T, "ep9312" }, + { bfd_mach_arm_8, "exynos-m1" }, + { bfd_mach_arm_4, "fa526" }, + { bfd_mach_arm_5TE, "fa606te" }, + { bfd_mach_arm_5TE, "fa616te" }, + { bfd_mach_arm_4, "fa626" }, + { bfd_mach_arm_5TE, "fa626te" }, + { bfd_mach_arm_5TE, "fa726te" }, + { bfd_mach_arm_5TE, "fmp626" }, + { bfd_mach_arm_XScale, "i80200" }, + { bfd_mach_arm_7, "marvell-pj4" }, + { bfd_mach_arm_7, "marvell-whitney" }, + { bfd_mach_arm_6K, "mpcore" }, + { bfd_mach_arm_6K, "mpcorenovfp" }, + { bfd_mach_arm_4, "sa1" }, + { bfd_mach_arm_4, "strongarm" }, + { bfd_mach_arm_4, "strongarm1" }, + { bfd_mach_arm_4, "strongarm110" }, + { bfd_mach_arm_4, "strongarm1100" }, + { bfd_mach_arm_4, "strongarm1110" }, + { bfd_mach_arm_XScale, "xscale" }, + { bfd_mach_arm_8, "xgene1" }, + { bfd_mach_arm_8, "xgene2" }, + { bfd_mach_arm_ep9312, "ep9312" }, + { bfd_mach_arm_iWMMXt, "iwmmxt" }, + { bfd_mach_arm_iWMMXt2, "iwmmxt2" }, + { bfd_mach_arm_unknown, "arm_any" } }; static bfd_boolean @@ -122,22 +221,39 @@ scan (const struct bfd_arch_info *info, const char *string) } #define N(number, print, default, next) \ -{ 32, 32, 8, bfd_arch_arm, number, "arm", print, 4, default, compatible, scan, next } +{ 32, 32, 8, bfd_arch_arm, number, "arm", print, 4, default, compatible, \ + scan, bfd_arch_default_fill, next, 0 } static const bfd_arch_info_type arch_info_struct[] = { - N (bfd_mach_arm_2, "armv2", FALSE, & arch_info_struct[1]), - N (bfd_mach_arm_2a, "armv2a", FALSE, & arch_info_struct[2]), - N (bfd_mach_arm_3, "armv3", FALSE, & arch_info_struct[3]), - N (bfd_mach_arm_3M, "armv3m", FALSE, & arch_info_struct[4]), - N (bfd_mach_arm_4, "armv4", FALSE, & arch_info_struct[5]), - N (bfd_mach_arm_4T, "armv4t", FALSE, & arch_info_struct[6]), - N (bfd_mach_arm_5, "armv5", FALSE, & arch_info_struct[7]), - N (bfd_mach_arm_5T, "armv5t", FALSE, & arch_info_struct[8]), - N (bfd_mach_arm_5TE, "armv5te", FALSE, & arch_info_struct[9]), - N (bfd_mach_arm_XScale, "xscale", FALSE, & arch_info_struct[10]), - N (bfd_mach_arm_ep9312, "ep9312", FALSE, & arch_info_struct[11]), - N (bfd_mach_arm_iWMMXt,"iwmmxt", FALSE, NULL) + N (bfd_mach_arm_2, "armv2", FALSE, & arch_info_struct[1]), + N (bfd_mach_arm_2a, "armv2a", FALSE, & arch_info_struct[2]), + N (bfd_mach_arm_3, "armv3", FALSE, & arch_info_struct[3]), + N (bfd_mach_arm_3M, "armv3m", FALSE, & arch_info_struct[4]), + N (bfd_mach_arm_4, "armv4", FALSE, & arch_info_struct[5]), + N (bfd_mach_arm_4T, "armv4t", FALSE, & arch_info_struct[6]), + N (bfd_mach_arm_5, "armv5", FALSE, & arch_info_struct[7]), + N (bfd_mach_arm_5T, "armv5t", FALSE, & arch_info_struct[8]), + N (bfd_mach_arm_5TE, "armv5te", FALSE, & arch_info_struct[9]), + N (bfd_mach_arm_XScale, "xscale", FALSE, & arch_info_struct[10]), + N (bfd_mach_arm_ep9312, "ep9312", FALSE, & arch_info_struct[11]), + N (bfd_mach_arm_iWMMXt, "iwmmxt", FALSE, & arch_info_struct[12]), + N (bfd_mach_arm_iWMMXt2, "iwmmxt2", FALSE, & arch_info_struct[13]), + N (bfd_mach_arm_5TEJ, "armv5tej", FALSE, & arch_info_struct[14]), + N (bfd_mach_arm_6, "armv6", FALSE, & arch_info_struct[15]), + N (bfd_mach_arm_6KZ, "armv6kz", FALSE, & arch_info_struct[16]), + N (bfd_mach_arm_6T2, "armv6t2", FALSE, & arch_info_struct[17]), + N (bfd_mach_arm_6K, "armv6k", FALSE, & arch_info_struct[18]), + N (bfd_mach_arm_7, "armv7", FALSE, & arch_info_struct[19]), + N (bfd_mach_arm_6M, "armv6-m", FALSE, & arch_info_struct[20]), + N (bfd_mach_arm_6SM, "armv6s-m", FALSE, & arch_info_struct[21]), + N (bfd_mach_arm_7EM, "armv7e-m", FALSE, & arch_info_struct[22]), + N (bfd_mach_arm_8, "armv8-a", FALSE, & arch_info_struct[23]), + N (bfd_mach_arm_8R, "armv8-r", FALSE, & arch_info_struct[24]), + N (bfd_mach_arm_8M_BASE, "armv8-m.base", FALSE, & arch_info_struct[25]), + N (bfd_mach_arm_8M_MAIN, "armv8-m.main", FALSE, & arch_info_struct[26]), + N (bfd_mach_arm_8_1M_MAIN, "armv8.1-m.main", FALSE, & arch_info_struct[27]), + N (bfd_mach_arm_unknown, "arm_any", FALSE, NULL) }; const bfd_arch_info_type bfd_arm_arch = @@ -179,19 +295,25 @@ bfd_arm_merge_machines (bfd *ibfd, bfd *obfd) Intel XScale binary, since these architecture have co-processors which will not both be present on the same physical hardware. */ else if (in == bfd_mach_arm_ep9312 - && (out == bfd_mach_arm_XScale || out == bfd_mach_arm_iWMMXt)) + && (out == bfd_mach_arm_XScale + || out == bfd_mach_arm_iWMMXt + || out == bfd_mach_arm_iWMMXt2)) { + /* xgettext: c-format */ _bfd_error_handler (_("\ -ERROR: %B is compiled for the EP9312, whereas %B is compiled for XScale"), +error: %pB is compiled for the EP9312, whereas %pB is compiled for XScale"), ibfd, obfd); bfd_set_error (bfd_error_wrong_format); return FALSE; } else if (out == bfd_mach_arm_ep9312 - && (in == bfd_mach_arm_XScale || in == bfd_mach_arm_iWMMXt)) + && (in == bfd_mach_arm_XScale + || in == bfd_mach_arm_iWMMXt + || in == bfd_mach_arm_iWMMXt2)) { + /* xgettext: c-format */ _bfd_error_handler (_("\ -ERROR: %B is compiled for the EP9312, whereas %B is compiled for XScale"), +error: %pB is compiled for the EP9312, whereas %pB is compiled for XScale"), obfd, ibfd); bfd_set_error (bfd_error_wrong_format); return FALSE; @@ -222,7 +344,7 @@ arm_check_note (bfd *abfd, unsigned long namesz; unsigned long descsz; unsigned long type; - char * descr; + char * descr; if (buffer_size < offsetof (arm_Note, name)) return FALSE; @@ -244,10 +366,10 @@ arm_check_note (bfd *abfd, return FALSE; } else - { + { if (namesz != ((strlen (expected_name) + 1 + 3) & ~3)) return FALSE; - + if (strcmp (descr, expected_name) != 0) return FALSE; @@ -255,6 +377,7 @@ arm_check_note (bfd *abfd, } /* FIXME: We should probably check the type as well. */ + (void) type; if (description_return != NULL) * description_return = descr; @@ -262,16 +385,16 @@ arm_check_note (bfd *abfd, return TRUE; } -#define NOTE_ARCH_STRING "arch: " +#define NOTE_ARCH_STRING "arch: " bfd_boolean bfd_arm_update_notes (bfd *abfd, const char *note_section) { - asection * arm_arch_section; - bfd_size_type buffer_size; - bfd_byte * buffer; - char * arch_string; - char * expected; + asection * arm_arch_section; + bfd_size_type buffer_size; + bfd_byte * buffer; + char * arch_string; + char * expected; /* Look for a note section. If one is present check the architecture string encoded in it, and set it to the current architecture if it is @@ -292,7 +415,9 @@ bfd_arm_update_notes (bfd *abfd, const char *note_section) if (! arm_check_note (abfd, buffer, buffer_size, NOTE_ARCH_STRING, & arch_string)) goto FAIL; - /* Check the architecture in the note against the architecture of the bfd. */ + /* Check the architecture in the note against the architecture of the bfd. + Newer architectures versions should not be added here as build attribute + are a better mechanism to convey ISA used. */ switch (bfd_get_mach (abfd)) { default: @@ -309,6 +434,7 @@ bfd_arm_update_notes (bfd *abfd, const char *note_section) case bfd_mach_arm_XScale: expected = "XScale"; break; case bfd_mach_arm_ep9312: expected = "ep9312"; break; case bfd_mach_arm_iWMMXt: expected = "iWMMXt"; break; + case bfd_mach_arm_iWMMXt2: expected = "iWMMXt2"; break; } if (strcmp (arch_string, expected) != 0) @@ -320,9 +446,10 @@ bfd_arm_update_notes (bfd *abfd, const char *note_section) if (! bfd_set_section_contents (abfd, arm_arch_section, buffer, (file_ptr) 0, buffer_size)) { - (*_bfd_error_handler) - (_("warning: unable to update contents of %s section in %s"), - note_section, bfd_get_filename (abfd)); + _bfd_error_handler + /* xgettext: c-format */ + (_("warning: unable to update contents of %s section in %pB"), + note_section, abfd); goto FAIL; } } @@ -342,6 +469,9 @@ static struct const char * string; unsigned int mach; } + +/* Newer architectures versions should not be added here as build attribute are + a better mechanism to convey ISA used. */ architectures[] = { { "armv2", bfd_mach_arm_2 }, @@ -355,18 +485,20 @@ architectures[] = { "armv5te", bfd_mach_arm_5TE }, { "XScale", bfd_mach_arm_XScale }, { "ep9312", bfd_mach_arm_ep9312 }, - { "iWMMXt", bfd_mach_arm_iWMMXt } + { "iWMMXt", bfd_mach_arm_iWMMXt }, + { "iWMMXt2", bfd_mach_arm_iWMMXt2 }, + { "arm_any", bfd_mach_arm_unknown } }; /* Extract the machine number stored in a note section. */ unsigned int bfd_arm_get_mach_from_notes (bfd *abfd, const char *note_section) { - asection * arm_arch_section; - bfd_size_type buffer_size; - bfd_byte * buffer; - char * arch_string; - int i; + asection * arm_arch_section; + bfd_size_type buffer_size; + bfd_byte * buffer; + char * arch_string; + int i; /* Look for a note section. If one is present check the architecture string encoded in it, and set it to the current architecture if it is @@ -402,11 +534,22 @@ bfd_arm_get_mach_from_notes (bfd *abfd, const char *note_section) } bfd_boolean -bfd_is_arm_mapping_symbol_name (const char * name) +bfd_is_arm_special_symbol_name (const char * name, int type) { - return (name != NULL) - && (name[0] == '$') - && ((name[1] == 'a') || (name[1] == 't') || (name[1] == 'd')) - && (name[2] == 0); + /* The ARM compiler outputs several obsolete forms. Recognize them + in addition to the standard $a, $t and $d. We are somewhat loose + in what we accept here, since the full set is not documented. */ + if (!name || name[0] != '$') + return FALSE; + if (name[1] == 'a' || name[1] == 't' || name[1] == 'd') + type &= BFD_ARM_SPECIAL_SYM_TYPE_MAP; + else if (name[1] == 'm' || name[1] == 'f' || name[1] == 'p') + type &= BFD_ARM_SPECIAL_SYM_TYPE_TAG; + else if (name[1] >= 'a' && name[1] <= 'z') + type &= BFD_ARM_SPECIAL_SYM_TYPE_OTHER; + else + return FALSE; + + return (type != 0 && (name[2] == 0 || name[2] == '.')); }