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authorNick Clifton <nickc@redhat.com>2015-02-24 17:54:09 +0000
committerNick Clifton <nickc@redhat.com>2015-02-24 17:54:09 +0000
commit685080f2100373d1a45932521f9a24922a68d68f (patch)
tree93614fdc798a099c50fd9e40c3268ccdbc44e737 /include
parent31593e1b96c792abba3c5268d6423975aefa56b2 (diff)
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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/ChangeLog14
-rw-r--r--include/elf/v850.h56
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 */