diff options
Diffstat (limited to 'gas/config/tc-tic6x.c')
| -rw-r--r-- | gas/config/tc-tic6x.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/gas/config/tc-tic6x.c b/gas/config/tc-tic6x.c index 2f51466..c5095eb 100644 --- a/gas/config/tc-tic6x.c +++ b/gas/config/tc-tic6x.c @@ -52,6 +52,9 @@ enum OPTION_MLITTLE_ENDIAN, OPTION_MDSBT, OPTION_MNO_DSBT, + OPTION_MPID, + OPTION_MPIC, + OPTION_MNO_PIC, OPTION_MGENERATE_REL }; @@ -64,6 +67,9 @@ struct option md_longopts[] = { "mlittle-endian", no_argument, NULL, OPTION_MLITTLE_ENDIAN }, { "mdsbt", no_argument, NULL, OPTION_MDSBT }, { "mno-dsbt", no_argument, NULL, OPTION_MNO_DSBT }, + { "mpid", required_argument, NULL, OPTION_MPID }, + { "mpic", no_argument, NULL, OPTION_MPIC }, + { "mno-pic", no_argument, NULL, OPTION_MNO_PIC }, { "mgenerate-rel", no_argument, NULL, OPTION_MGENERATE_REL }, { NULL, no_argument, NULL, 0 } }; @@ -120,6 +126,21 @@ static bfd_boolean tic6x_generate_rela = TRUE; /* Whether the code uses DSBT addressing. */ static bfd_boolean tic6x_dsbt; +/* Types of position-independent data (attribute values for + Tag_ABI_PID). */ +typedef enum + { + tic6x_pid_no = 0, + tic6x_pid_near = 1, + tic6x_pid_far = 2 + } tic6x_pid_type; + +/* The type of data addressing used in this code. */ +static tic6x_pid_type tic6x_pid; + +/* Whether the code uses position-independent code. */ +static bfd_boolean tic6x_pic; + /* Table of supported architecture variants. */ typedef struct { @@ -171,6 +192,36 @@ tic6x_use_arch (const char *arch) as_bad (_("unknown architecture '%s'"), arch); } +/* Table of supported -mpid arguments. */ +typedef struct +{ + const char *arg; + tic6x_pid_type attr; +} tic6x_pid_type_table; +static const tic6x_pid_type_table tic6x_pid_types[] = + { + { "no", tic6x_pid_no }, + { "near", tic6x_pid_near }, + { "far", tic6x_pid_far } + }; + +/* Handle -mpid=ARG. */ + +static void +tic6x_use_pid (const char *arg) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE (tic6x_pid_types); i++) + if (strcmp (arg, tic6x_pid_types[i].arg) == 0) + { + tic6x_pid = tic6x_pid_types[i].attr; + return; + } + + as_bad (_("unknown -mpid= argument '%s'"), arg); +} + /* Parse a target-specific option. */ int @@ -206,6 +257,18 @@ md_parse_option (int c, char *arg) tic6x_dsbt = 0; break; + case OPTION_MPID: + tic6x_use_pid (arg); + break; + + case OPTION_MPIC: + tic6x_pic = 1; + break; + + case OPTION_MNO_PIC: + tic6x_pic = 0; + break; + case OPTION_MGENERATE_REL: tic6x_generate_rela = FALSE; break; @@ -230,6 +293,13 @@ md_show_usage (FILE *stream ATTRIBUTE_UNUSED) fprintf (stream, _(" -mlittle-endian generate little-endian code\n")); fprintf (stream, _(" -mdsbt code uses DSBT addressing\n")); fprintf (stream, _(" -mno-dsbt code does not use DSBT addressing\n")); + fprintf (stream, _(" -mpid=no code uses position-dependent data addressing\n")); + fprintf (stream, _(" -mpid=near code uses position-independent data addressing,\n" + " GOT accesses use near DP addressing\n")); + fprintf (stream, _(" -mpid=far code uses position-independent data addressing,\n" + " GOT accesses use far DP addressing\n")); + fprintf (stream, _(" -mpic code addressing is position-independent\n")); + fprintf (stream, _(" -mno-pic code addressing is position-dependent\n")); /* -mgenerate-rel is only for testsuite use and is deliberately undocumented. */ @@ -3915,6 +3985,8 @@ tic6x_set_attributes (void) tic6x_set_attribute_int (Tag_ISA, tic6x_arch_attribute); tic6x_set_attribute_int (Tag_ABI_DSBT, tic6x_dsbt); + tic6x_set_attribute_int (Tag_ABI_PID, tic6x_pid); + tic6x_set_attribute_int (Tag_ABI_PIC, tic6x_pic); } /* Do machine-dependent manipulations of the frag chains after all |