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author | Nick Clifton <nickc@redhat.com> | 2015-02-24 17:54:09 +0000 |
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committer | Nick Clifton <nickc@redhat.com> | 2015-02-24 17:54:09 +0000 |
commit | 685080f2100373d1a45932521f9a24922a68d68f (patch) | |
tree | 93614fdc798a099c50fd9e40c3268ccdbc44e737 /include | |
parent | 31593e1b96c792abba3c5268d6423975aefa56b2 (diff) | |
download | gdb-685080f2100373d1a45932521f9a24922a68d68f.zip gdb-685080f2100373d1a45932521f9a24922a68d68f.tar.gz gdb-685080f2100373d1a45932521f9a24922a68d68f.tar.bz2 |
Adds support for generating notes in V850 binaries.
bfd * elf32-v850.c (v850_set_note): New function. Creates a Renesas
style note entry.
(v850_elf_make_note_section): New function. Creates a note
section.
(v850_elf_create_sections): New function. Create a note section
if one is not already present.
(v850_elf_set_note): New function. Adds a note to a bfd.
(v850_elf_copy_private_bfd_data): New function. Copies V850
notes.
(v850_elf_merge_notes): New function. Merges V850 notes.
(print_v850_note): New function. Displays a V850 note.
(v850_elf_print_notes): New function. Displays all notes attached
to a bfd.
(v850_elf_merge_private_bfd_data): Call v850_elf_merge_notes.
(v850_elf_print_private_bfd_data): Call v850_elf_print_notes.
(v850_elf_fake_sections): Set the type of the V850 note section.
* bfd-in.h (v850_elf_create_sections): Add prototype.
(v850_elf_set_note): Add prototype.
* bfd-in2.h: Regenerate.
binutils* readelf.c (get_machine_flags): Remove deprecated V850 machine
flags.
(get_v850_section_type_name): New function. Handles V850 special
sections.
(get_section_type_name): Add support for V850.
(get_v850_elf_note_type): New function. Returns the name of a
V850 note.
(print_v850_note): New function. Prints a V850 note.
(process_v850_notes): New function. Prints V850 notes.
(process_note_sections): Add support for V850.
binutils/testsute
* binutils-all/objcopy.exp: Skip the strip-10 test for the V850.
gas * config/tc-v850.c (soft_float): New variable.
(v850_data_8): New variable.
(md_show_usage): Add -msoft-float/-mhard-float.
(md_parse_option): Likewise.
(md_begin): Set the default value of soft_float.
(v850_md_end): New function. Creates a note section.
* config/tc-v850.h (md_end): Define.
* doc/c-v850.texi: Document -msoft-float/-mhard-float.
gas/testsuite
* gas/elf/elf.exp: Add special version of the section2 test for
the V850.
* gas/elf/section2.e-v850: New file.
include/elf
* v850.h (EF_RH850_SIMD): Delete deprecated flag.
(EF_RH850_CACHE): Likewise.
(EF_RH850_MMU): Likewise.
(EF_RH850_DATA_ALIGN8): Likewise.
(SHT_RENESAS_IOP): Fix typo in name.
(SHT_RENESAS_INFO): Define.
(V850_NOTE_SECNAME): Define.
(SIZEOF_V850_NOTE): Define.
(V850_NOTE_NAME): Define.
(enum v850_notes): New enum.
(NUM_V850_NOTES): Define.
ld/ChangeLog
2015-02-24 Nick Clifton <nickc@redhat.com>
* Makefile.am (ev850.c): Add dependency upon
$(srcdir)/emultempl/v850elf.em.
(ev850_rh850.c): Likewise.
* Makefile.in: Regenerate.
* emultempl/v850elf.em: New file.
* emulparams/v850.sh (EXTRA_EM_FILE): Define.
* emulparams/v850_rh850.sh (EXTRA_EM_FILE): Define.
* scripttempl/v850.sc: Add .note.renesas section.
* scripttempl/v850_rh850.sc: Likewise.
ld/testsuite
* ld-elf/extract-symbol-1sec.d: Expect to fail on the V850.
Diffstat (limited to 'include')
-rw-r--r-- | include/elf/ChangeLog | 14 | ||||
-rw-r--r-- | include/elf/v850.h | 56 |
2 files changed, 65 insertions, 5 deletions
diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog index 1fccebc..69151cb 100644 --- a/include/elf/ChangeLog +++ b/include/elf/ChangeLog @@ -1,3 +1,17 @@ +2015-02-24 Nick Clifton <nickc@redhat.com> + + * v850.h (EF_RH850_SIMD): Delete deprecated flag. + (EF_RH850_CACHE): Likewise. + (EF_RH850_MMU): Likewise. + (EF_RH850_DATA_ALIGN8): Likewise. + (SHT_RENESAS_IOP): Fix typo in name. + (SHT_RENESAS_INFO): Define. + (V850_NOTE_SECNAME): Define. + (SIZEOF_V850_NOTE): Define. + (V850_NOTE_NAME): Define. + (enum v850_notes): New enum. + (NUM_V850_NOTES): Define. + 2015-02-23 Nick Clifton <nickc@redhat.com> PR 17915 diff --git a/include/elf/v850.h b/include/elf/v850.h index 5cc3581..0a2784b 100644 --- a/include/elf/v850.h +++ b/include/elf/v850.h @@ -158,12 +158,8 @@ END_RELOC_NUMBERS (R_V850_max) #define EF_RH850_FPU_DOUBLE 0x00000001 /* sizeof(double) == 8. */ #define EF_RH850_FPU_SINGLE 0x00000002 /* sizeof(double) == 4. */ -#define EF_RH850_SIMD 0x00000004 -#define EF_RH850_CACHE 0x00000008 -#define EF_RH850_MMU 0x00000010 #define EF_RH850_REGMODE22 0x00000020 /* Registers r15-r24 (inclusive) are not used. */ #define EF_RH850_REGMODE32 0x00000040 -#define EF_RH850_DATA_ALIGN8 0x00000080 /* 8-byte alignment supported. */ #define EF_RH850_GP_FIX 0x00000100 /* r4 is fixed. */ #define EF_RH850_GP_NOFIX 0x00000200 /* r4 is callee save. */ #define EF_RH850_EP_FIX 0x00000400 /* r30 is fixed. */ @@ -173,7 +169,7 @@ END_RELOC_NUMBERS (R_V850_max) #define EF_RH850_REG2_RESERVE 0x00004000 /* r2 is fixed. */ #define EF_RH850_REG2_NORESERVE 0x00008000 /* r2 is callee saved. */ -#define SHT_RNESAS_IOP SHT_LOUSER /* Used by Renesas linker. */ +#define SHT_RENESAS_IOP SHT_LOUSER /* Used by Renesas linker. */ #define SHF_RENESAS_ABS 0x80000000 /* Absolute section. */ #define SHF_GHS_ABS 0x00000400 /* Use unknown. */ @@ -280,4 +276,54 @@ START_RELOC_NUMBERS (v800_reloc_type) END_RELOC_NUMBERS (R_V800_max) +/* Type for Renesas note sections. NB/ This is in application space + rather than processor space as it refers to the requirements of the + binary concerned. A given processor may be able to handle multiple + different types of application. */ +#define SHT_RENESAS_INFO 0xa0000000 + +/* Contents of a Renesas note entry: + + namesz +------------------+ + | 4 | "REL\0" + descsz +------------------+ + | 4 | Currently 4byte only + type +------------------+ + | ID | + name +------------------+ + | REL\0 | + desc +------------------+ + | Value | + +------------------+ */ + +#define V850_NOTE_SECNAME ".note.renesas" +#define SIZEOF_V850_NOTE 20 +#define V850_NOTE_NAME "REL" + +enum v850_notes +{ + V850_NOTE_ALIGNMENT = 1, /* Alignment of 8-byte entities. */ +#define EF_RH850_DATA_ALIGN4 0x0001 /* Aligned to 4-byte bounadries. */ +#define EF_RH850_DATA_ALIGN8 0x0002 /* Aligned to 8-byte bounadries. */ + + V850_NOTE_DATA_SIZE = 2, /* Sizeof double and long double. */ +#define EF_RH850_DOUBLE32 0x0001 /* 32-bits in size. */ +#define EF_RH850_DOUBLE64 0x0002 /* 64-bits in size. */ + + V850_NOTE_FPU_INFO = 3, /* Defined if extended floating point insns are used. */ +#define EF_RH850_FPU20 0x0001 /* Set if [N]]M{ADD|SUB}F.S are used. */ +#define EF_RH850_FPU30 0x0002 /* Set if ADSF.D or ADDF.D is used. */ + + V850_NOTE_SIMD_INFO = 4, +#define EF_RH850_SIMD 0x0001 + + V850_NOTE_CACHE_INFO = 5, +#define EF_RH850_CACHE 0x0001 + + V850_NOTE_MMU_INFO = 6 +#define EF_RH850_MMU 0x0001 +}; + +#define NUM_V850_NOTES V850_NOTE_MMU_INFO + #endif /* _ELF_V850_H */ |