diff options
Diffstat (limited to 'gcc/config/nios2')
| -rw-r--r-- | gcc/config/nios2/nios2.c | 25 | ||||
| -rw-r--r-- | gcc/config/nios2/nios2.opt | 4 |
2 files changed, 28 insertions, 1 deletions
diff --git a/gcc/config/nios2/nios2.c b/gcc/config/nios2/nios2.c index f5963d4..3aade7b 100644 --- a/gcc/config/nios2/nios2.c +++ b/gcc/config/nios2/nios2.c @@ -49,6 +49,7 @@ #include "stor-layout.h" #include "builtins.h" #include "tree-pass.h" +#include "xregex.h" /* This file should be included last. */ #include "target-def.h" @@ -103,6 +104,9 @@ static int custom_code_index[256]; /* Set to true if any conflicts (re-use of a code between 0-255) are found. */ static bool custom_code_conflict = false; +/* State for command-line options. */ +regex_t nios2_gprel_sec_regex; + /* Definition of builtin function types for nios2. */ @@ -1371,6 +1375,23 @@ nios2_option_override (void) nios2_gpopt_option = gpopt_local; } + /* GP-relative addressing doesn't make sense for PIC. */ + if (flag_pic) + { + if (nios2_gpopt_option != gpopt_none) + error ("-mgpopt not supported with PIC."); + if (nios2_gprel_sec) + error ("-mgprel-sec= not supported with PIC."); + } + + /* Process -mgprel-sec=. */ + if (nios2_gprel_sec) + { + if (regcomp (&nios2_gprel_sec_regex, nios2_gprel_sec, + REG_EXTENDED | REG_NOSUB)) + error ("-mgprel-sec= argument is not a valid regular expression."); + } + /* If we don't have mul, we don't have mulx either! */ if (!TARGET_HAS_MUL && TARGET_HAS_MULX) target_flags &= ~MASK_HAS_MULX; @@ -2268,7 +2289,9 @@ nios2_small_section_name_p (const char *section) return (strcmp (section, ".sbss") == 0 || strncmp (section, ".sbss.", 6) == 0 || strcmp (section, ".sdata") == 0 - || strncmp (section, ".sdata.", 7) == 0); + || strncmp (section, ".sdata.", 7) == 0 + || (nios2_gprel_sec + && regexec (&nios2_gprel_sec_regex, section, 0, NULL, 0) == 0)); } /* Return true if EXP should be placed in the small data section. */ diff --git a/gcc/config/nios2/nios2.opt b/gcc/config/nios2/nios2.opt index 08cb935..d08405e 100644 --- a/gcc/config/nios2/nios2.opt +++ b/gcc/config/nios2/nios2.opt @@ -586,3 +586,7 @@ Enable generation of R2 BMX instructions. mcdx Target Report Mask(HAS_CDX) Enable generation of R2 CDX instructions. + +mgprel-sec= +Target RejectNegative Joined Var(nios2_gprel_sec) Init(NULL) +Regular expression matching additional GP-addressible small-data section names. |