diff options
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 13 | ||||
| -rw-r--r-- | gas/config/obj-elf.c | 8 | ||||
| -rw-r--r-- | gas/config/tc-rx.c | 14 | ||||
| -rw-r--r-- | gas/doc/as.texinfo | 6 | ||||
| -rw-r--r-- | gas/doc/c-rx.texi | 13 |
5 files changed, 53 insertions, 1 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index ddf1a1e..ce6c114 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,16 @@ +2012-11-09 Nick Clifton <nickc@redhat.com> + + * config/obj-elf.c (obj_elf_change_section): Allow init array + sections to have the SHF_EXECINSTR attribute for the RX target. + * config/tc-rx.c (elf_flags): Initialise with E_FLAG_RX_ABI. + (enum options): Add OPTION_USES_GCC_ABI and OPTION_USES_RX_ABI. + (md_longopts): Add -mgcc-abi and -mrx-abi. + (md_parse_option): Add support for OPTION_USES_GCC_ABI and + OPTION_USES_RX_ABI. + * doc/as.texinfo (RX Options): Add mention of remaining RX + options. + * doc/c-rx.texi: Document -mgcc-abi and -mrx-abi. + 2012-11-09 David Holsgrove <david.holsgrove@xilinx.com> * gas/microblaze/endian.exp: New file - endian testcase for microblaze / microblazeel. diff --git a/gas/config/obj-elf.c b/gas/config/obj-elf.c index d7c7665..d0fbcfb 100644 --- a/gas/config/obj-elf.c +++ b/gas/config/obj-elf.c @@ -658,6 +658,14 @@ obj_elf_change_section (const char *name, else if ((attr & ~ssect->attr) == SHF_ALPHA_GPREL) override = TRUE; #endif +#ifdef TC_RX + else if (attr == (SHF_EXECINSTR | SHF_WRITE | SHF_ALLOC) + && (ssect->type == SHT_INIT_ARRAY + || ssect->type == SHT_FINI_ARRAY + || ssect->type == SHT_PREINIT_ARRAY)) + /* RX init/fini arrays can and should have the "awx" attributes set. */ + ; +#endif else { if (group_name == NULL) diff --git a/gas/config/tc-rx.c b/gas/config/tc-rx.c index 3db8fe1..b1d0b20 100644 --- a/gas/config/tc-rx.c +++ b/gas/config/tc-rx.c @@ -46,7 +46,7 @@ const char EXP_CHARS[] = "eE"; const char FLT_CHARS[] = "dD"; /* ELF flags to set in the output file header. */ -static int elf_flags = 0; +static int elf_flags = E_FLAG_RX_ABI; bfd_boolean rx_use_conventional_section_names = FALSE; static bfd_boolean rx_use_small_data_limit = FALSE; @@ -70,6 +70,8 @@ enum options OPTION_RELAX, OPTION_PID, OPTION_INT_REGS, + OPTION_USES_GCC_ABI, + OPTION_USES_RX_ABI, }; #define RX_SHORTOPTS "" @@ -94,6 +96,8 @@ struct option md_longopts[] = {"relax", no_argument, NULL, OPTION_RELAX}, {"mpid", no_argument, NULL, OPTION_PID}, {"mint-register", required_argument, NULL, OPTION_INT_REGS}, + {"mgcc-abi", no_argument, NULL, OPTION_USES_GCC_ABI}, + {"mrx-abi", no_argument, NULL, OPTION_USES_RX_ABI}, {NULL, no_argument, NULL, 0} }; size_t md_longopts_size = sizeof (md_longopts); @@ -143,6 +147,14 @@ md_parse_option (int c ATTRIBUTE_UNUSED, char * arg ATTRIBUTE_UNUSED) case OPTION_INT_REGS: rx_num_int_regs = atoi (optarg); return 1; + + case OPTION_USES_GCC_ABI: + elf_flags &= ~ E_FLAG_RX_ABI; + return 1; + + case OPTION_USES_RX_ABI: + elf_flags |= E_FLAG_RX_ABI; + return 1; } return 0; } diff --git a/gas/doc/as.texinfo b/gas/doc/as.texinfo index 67233f0..8c43940 100644 --- a/gas/doc/as.texinfo +++ b/gas/doc/as.texinfo @@ -459,6 +459,12 @@ gcc(1), ld(1), and the Info entries for @file{binutils} and @file{ld}. @emph{Target RX options:} [@b{-mlittle-endian}|@b{-mbig-endian}] [@b{-m32bit-doubles}|@b{-m64bit-doubles}] + [@b{-muse-conventional-section-names}] + [@b{-msmall-data-limit}] + [@b{-mpid}] + [@b{-mrelax}] + [@b{-mint-register=@var{number}}] + [@b{-mgcc-abi}|@b{-mrx-abi}] @end ifset @ifset S390 diff --git a/gas/doc/c-rx.texi b/gas/doc/c-rx.texi index 5f9239b..d6390c8 100644 --- a/gas/doc/c-rx.texi +++ b/gas/doc/c-rx.texi @@ -93,6 +93,19 @@ This option tells the assembler how many registers have been reserved for use by interrupt handlers. This is needed in order to compute the correct values for the @code{%gpreg} and @code{%pidreg} meta registers. +@cindex @samp{-mgcc-abi} +@item -mgcc-abi +This option tells the assembler that the old GCC ABI is being used by +the assembled code. With this version of the ABI function arguments +that are passed on the stack are aligned to a 32-bit boundary. + +@cindex @samp{-mrx-abi} +@item -mrx-abi +This option tells the assembler that the official RX ABI is being used +by the assembled code. With this version of the ABI function +arguments that are passed on the stack are aligned to their natural +alignments. This option is the default. + @end table @node RX-Modifiers |