diff options
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/sparc/sol2.h | 11 | ||||
| -rw-r--r-- | gcc/config/sparc/sparc.h | 26 |
2 files changed, 37 insertions, 0 deletions
diff --git a/gcc/config/sparc/sol2.h b/gcc/config/sparc/sol2.h index 82f7d32ab22..46e80c121cb 100644 --- a/gcc/config/sparc/sol2.h +++ b/gcc/config/sparc/sol2.h @@ -184,6 +184,17 @@ Boston, MA 02111-1307, USA. */ || (CHAR) == 'h' \ || (CHAR) == 'x' \ || (CHAR) == 'z') + +/* Select a format to encode pointers in exception handling data. CODE + is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is + true if the symbol may be affected by dynamic relocations. + + Some Solaris dynamic linkers don't handle unaligned section relative + relocs properly, so force them to be aligned. */ +#ifndef HAVE_AS_SPARC_UA_PCREL +#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ + ((flag_pic || GLOBAL) ? DW_EH_PE_aligned : DW_EH_PE_absptr) +#endif /* ??? This does not work in SunOS 4.x, so it is not enabled in sparc.h. Instead, it is enabled here, because it does work under Solaris. */ diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h index e18fb14bfae..3785bad240b 100644 --- a/gcc/config/sparc/sparc.h +++ b/gcc/config/sparc/sparc.h @@ -1969,6 +1969,32 @@ do { \ #define EH_RETURN_DATA_REGNO(N) ((N) < 4 ? (N) + 24 : INVALID_REGNUM) #define EH_RETURN_STACKADJ_RTX gen_rtx_REG (Pmode, 1) /* %g1 */ #define EH_RETURN_HANDLER_RTX gen_rtx_REG (Pmode, 31) /* %i7 */ + +/* Select a format to encode pointers in exception handling data. CODE + is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is + true if the symbol may be affected by dynamic relocations. + + If assembler and linker properly support .uaword %r_disp32(foo), + then use PC relative 32-bit relocations instead of absolute relocs + for shared libraries. On sparc64, use pc relative 32-bit relocs even + for binaries, to save memory. */ +#ifdef HAVE_AS_SPARC_UA_PCREL +#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ + (flag_pic \ + ? (GLOBAL ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4\ + : ((TARGET_ARCH64 && ! GLOBAL) \ + ? (DW_EH_PE_pcrel | DW_EH_PE_sdata4) \ + : DW_EH_PE_absptr)) + +/* Emit a PC-relative relocation. */ +#define ASM_OUTPUT_DWARF_PCREL(FILE, SIZE, LABEL) \ + do { \ + fputs (integer_asm_op (SIZE, FALSE), FILE); \ + fprintf (FILE, "%%r_disp%d(", SIZE * 8); \ + assemble_name (FILE, LABEL); \ + fputc (')', FILE); \ + } while (0) +#endif /* Addressing modes, and classification of registers for them. */ |