diff options
| -rw-r--r-- | gas/ChangeLog | 11 | ||||
| -rw-r--r-- | gas/config/tc-sparc.c | 58 |
2 files changed, 66 insertions, 3 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index e1137bd..9cacf87 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,14 @@ +Fri Oct 24 11:19:22 1997 Jakub Jelinek <jj@sunsite.mff.cuni.cz> + + * config/tc-sparc.c (sparc_memory_model): New variable. + (md_longopts): Add -TSO/-PSO/-RMO options. + (md_parse_options): Handle them. + (sparc_elf_final_processing): For 64 ELF, set required + memory ordering in e_flags. Default to RMO and let the user + override it through command line. + + * config/tc-sparc.h (elf_tc_final_processing): Add. + Wed Oct 22 17:42:12 1997 Richard Henderson <rth@cygnus.com> * config/tc-sparc.c (v9a_asr_table): New variable. diff --git a/gas/config/tc-sparc.c b/gas/config/tc-sparc.c index 9eee6ac..cfefdb6 100644 --- a/gas/config/tc-sparc.c +++ b/gas/config/tc-sparc.c @@ -26,6 +26,8 @@ #include "opcode/sparc.h" +#include "elf/sparc.h" + static struct sparc_arch *lookup_arch PARAMS ((char *)); static void init_default_arch PARAMS ((void)); static void sparc_ip PARAMS ((char *, const struct sparc_opcode **)); @@ -64,6 +66,7 @@ static enum sparc_opcode_arch_val max_architecture; /* Either 32 or 64, selects file format. */ static int sparc_arch_size; +static enum { MM_TSO, MM_PSO, MM_RMO } sparc_memory_model = MM_RMO; /* Initial (default) value, recorded separately in case a user option changes the value before md_show_usage is called. */ static int default_arch_size; @@ -353,14 +356,20 @@ struct option md_longopts[] = { {"32", no_argument, NULL, OPTION_32}, #define OPTION_64 (OPTION_MD_BASE + 4) {"64", no_argument, NULL, OPTION_64}, +#define OPTION_TSO (OPTION_MD_BASE + 5) + {"TSO", no_argument, NULL, OPTION_TSO}, +#define OPTION_PSO (OPTION_MD_BASE + 6) + {"PSO", no_argument, NULL, OPTION_PSO}, +#define OPTION_RMO (OPTION_MD_BASE + 7) + {"RMO", no_argument, NULL, OPTION_RMO}, #endif #ifdef SPARC_BIENDIAN -#define OPTION_LITTLE_ENDIAN (OPTION_MD_BASE + 5) +#define OPTION_LITTLE_ENDIAN (OPTION_MD_BASE + 8) {"EL", no_argument, NULL, OPTION_LITTLE_ENDIAN}, -#define OPTION_BIG_ENDIAN (OPTION_MD_BASE + 6) +#define OPTION_BIG_ENDIAN (OPTION_MD_BASE + 9) {"EB", no_argument, NULL, OPTION_BIG_ENDIAN}, #endif -#define OPTION_ENFORCE_ALIGNED_DATA (OPTION_MD_BASE + 7) +#define OPTION_ENFORCE_ALIGNED_DATA (OPTION_MD_BASE + 10) {"enforce-aligned-data", no_argument, NULL, OPTION_ENFORCE_ALIGNED_DATA}, {NULL, no_argument, NULL, 0} }; @@ -467,6 +476,18 @@ md_parse_option (c, arg) } break; + case OPTION_TSO: + sparc_memory_model = MM_TSO; + break; + + case OPTION_PSO: + sparc_memory_model = MM_PSO; + break; + + case OPTION_RMO: + sparc_memory_model = MM_RMO; + break; + case 'V': print_version_id (); break; @@ -535,6 +556,12 @@ md_show_usage (stream) fprintf (stream, "\ [default is %d]\n", default_arch_size); fprintf (stream, "\ +-TSO use Total Store Ordering\n\ +-PSO use Partial Store Ordering\n\ +-RMO use Relaxed Memory Ordering\n"); + fprintf (stream, "\ + [default is %s]\n", (default_arch_size == 64) ? "RMO" : "TSO"); + fprintf (stream, "\ -KPIC generate PIC\n\ -V print assembler version number\n\ -q ignored\n\ @@ -3301,3 +3328,28 @@ sparc_handle_align (fragp) } } } + +#ifdef OBJ_ELF +/* Some special processing for a Sparc ELF file. */ + +void +sparc_elf_final_processing () +{ + /* Set the Sparc ELF flag bits. FIXME: There should probably be some + sort of BFD interface for this. */ + if (sparc_arch_size == 64) + switch (sparc_memory_model) + { + case MM_RMO: + elf_elfheader (stdoutput)->e_flags |= EF_SPARCV9_RMO; + break; + case MM_PSO: + elf_elfheader (stdoutput)->e_flags |= EF_SPARCV9_PSO; + break; + } + else if (current_architecture >= SPARC_OPCODE_ARCH_V9) + elf_elfheader (stdoutput)->e_flags |= EF_SPARC_32PLUS; + if (current_architecture == SPARC_OPCODE_ARCH_V9A) + elf_elfheader (stdoutput)->e_flags |= EF_SPARC_SUN_US1; +} +#endif |