diff options
Diffstat (limited to 'gas/config/tc-mips.c')
| -rw-r--r-- | gas/config/tc-mips.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c index e03a4bc..31af840 100644 --- a/gas/config/tc-mips.c +++ b/gas/config/tc-mips.c @@ -42,6 +42,12 @@ #include "opcode/mips.h" +#ifdef OBJ_ELF +#include "elf/mips.h" + +static char *mips_regmask_frag; +#endif + #define AT 1 #define GP 28 #define RA 31 @@ -389,6 +395,28 @@ md_begin () bfd_set_gp_size (stdoutput, g_switch_value); #endif +#ifdef OBJ_ELF + /* Create a .reginfo section for register masks. */ + { + segT seg; + subsegT subseg; + segT regsec; + + seg = now_seg; + subseg = now_subseg; + regsec = subseg_new (".reginfo", (subsegT) 0); + + /* I don't know why this section should be loaded, but the ABI + says that SHF_ALLOC should be set. */ + bfd_set_section_flags (stdoutput, regsec, + SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA); + + mips_regmask_frag = frag_more (sizeof (Elf32_External_RegInfo)); + + subseg_set (seg, subseg); + } +#endif /* OBJ_ELF */ + #ifndef OBJ_ECOFF md_obj_begin (); #endif @@ -4441,6 +4469,29 @@ mips_define_label (sym) insn_label = sym; } +#ifdef OBJ_ELF + +/* Write out the .reginfo section for a MIPS ELF file. */ + +void +mips_elf_final_processing () +{ + Elf32_RegInfo s; + + s.ri_gprmask = mips_gprmask; + s.ri_cprmask[0] = mips_cprmask[0]; + s.ri_cprmask[1] = mips_cprmask[1]; + s.ri_cprmask[2] = mips_cprmask[2]; + s.ri_cprmask[3] = mips_cprmask[3]; + /* The gp_value field is set by the MIPS ELF backend. */ + + bfd_mips_elf32_swap_reginfo_out (stdoutput, &s, + ((Elf32_External_RegInfo *) + mips_regmask_frag)); +} + +#endif /* OBJ_ELF */ + #ifndef OBJ_ECOFF /* These functions should really be defined by the object file format, |