diff options
| -rw-r--r-- | gas/ChangeLog | 9 | ||||
| -rw-r--r-- | gas/config/tc-alpha.c | 51 | ||||
| -rw-r--r-- | gas/doc/c-alpha.texi | 6 |
3 files changed, 44 insertions, 22 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index faabc38..69dd5b6 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,12 @@ +2005-05-31 Richard Henderson <rth@redhat.com> + + * config/tc-alpha.c (O_lituse_jsrdirect): New. + (alpha_reloc_op): Add it. + (debug_exp): Handle it. + (DUMMY_RELOC_LITUSE_JSRDIRECT): New. + (emit_insn): Handle it. + * doc/c-alpha.texi (Alpha-Relocs): Document lituse_jsrdirect. + 2005-05-31 Christian Groessler <chris@groessler.org> * write.c (dump_section_relocs): Convert to ISO-C. diff --git a/gas/config/tc-alpha.c b/gas/config/tc-alpha.c index e141ff9..2559bee 100644 --- a/gas/config/tc-alpha.c +++ b/gas/config/tc-alpha.c @@ -109,28 +109,29 @@ struct alpha_macro #define O_cpregister O_md2 /* + a leading comma. */ /* The alpha_reloc_op table below depends on the ordering of these. */ -#define O_literal O_md3 /* !literal relocation. */ -#define O_lituse_addr O_md4 /* !lituse_addr relocation. */ -#define O_lituse_base O_md5 /* !lituse_base relocation. */ -#define O_lituse_bytoff O_md6 /* !lituse_bytoff relocation. */ -#define O_lituse_jsr O_md7 /* !lituse_jsr relocation. */ -#define O_lituse_tlsgd O_md8 /* !lituse_tlsgd relocation. */ -#define O_lituse_tlsldm O_md9 /* !lituse_tlsldm relocation. */ -#define O_gpdisp O_md10 /* !gpdisp relocation. */ -#define O_gprelhigh O_md11 /* !gprelhigh relocation. */ -#define O_gprellow O_md12 /* !gprellow relocation. */ -#define O_gprel O_md13 /* !gprel relocation. */ -#define O_samegp O_md14 /* !samegp relocation. */ -#define O_tlsgd O_md15 /* !tlsgd relocation. */ -#define O_tlsldm O_md16 /* !tlsldm relocation. */ -#define O_gotdtprel O_md17 /* !gotdtprel relocation. */ -#define O_dtprelhi O_md18 /* !dtprelhi relocation. */ -#define O_dtprello O_md19 /* !dtprello relocation. */ -#define O_dtprel O_md20 /* !dtprel relocation. */ -#define O_gottprel O_md21 /* !gottprel relocation. */ -#define O_tprelhi O_md22 /* !tprelhi relocation. */ -#define O_tprello O_md23 /* !tprello relocation. */ -#define O_tprel O_md24 /* !tprel relocation. */ +#define O_literal O_md3 /* !literal relocation. */ +#define O_lituse_addr O_md4 /* !lituse_addr relocation. */ +#define O_lituse_base O_md5 /* !lituse_base relocation. */ +#define O_lituse_bytoff O_md6 /* !lituse_bytoff relocation. */ +#define O_lituse_jsr O_md7 /* !lituse_jsr relocation. */ +#define O_lituse_tlsgd O_md8 /* !lituse_tlsgd relocation. */ +#define O_lituse_tlsldm O_md9 /* !lituse_tlsldm relocation. */ +#define O_lituse_jsrdirect O_md10 /* !lituse_jsrdirect relocation. */ +#define O_gpdisp O_md11 /* !gpdisp relocation. */ +#define O_gprelhigh O_md12 /* !gprelhigh relocation. */ +#define O_gprellow O_md13 /* !gprellow relocation. */ +#define O_gprel O_md14 /* !gprel relocation. */ +#define O_samegp O_md15 /* !samegp relocation. */ +#define O_tlsgd O_md16 /* !tlsgd relocation. */ +#define O_tlsldm O_md17 /* !tlsldm relocation. */ +#define O_gotdtprel O_md18 /* !gotdtprel relocation. */ +#define O_dtprelhi O_md19 /* !dtprelhi relocation. */ +#define O_dtprello O_md20 /* !dtprello relocation. */ +#define O_dtprel O_md21 /* !dtprel relocation. */ +#define O_gottprel O_md22 /* !gottprel relocation. */ +#define O_tprelhi O_md23 /* !tprelhi relocation. */ +#define O_tprello O_md24 /* !tprello relocation. */ +#define O_tprel O_md25 /* !tprel relocation. */ #define DUMMY_RELOC_LITUSE_ADDR (BFD_RELOC_UNUSED + 1) #define DUMMY_RELOC_LITUSE_BASE (BFD_RELOC_UNUSED + 2) @@ -138,6 +139,7 @@ struct alpha_macro #define DUMMY_RELOC_LITUSE_JSR (BFD_RELOC_UNUSED + 4) #define DUMMY_RELOC_LITUSE_TLSGD (BFD_RELOC_UNUSED + 5) #define DUMMY_RELOC_LITUSE_TLSLDM (BFD_RELOC_UNUSED + 6) +#define DUMMY_RELOC_LITUSE_JSRDIRECT (BFD_RELOC_UNUSED + 7) #define USER_RELOC_P(R) ((R) >= O_literal && (R) <= O_tprel) @@ -418,6 +420,7 @@ alpha_reloc_op[] = DEF (lituse_jsr, DUMMY_RELOC_LITUSE_JSR, 1, 1), DEF (lituse_tlsgd, DUMMY_RELOC_LITUSE_TLSGD, 1, 1), DEF (lituse_tlsldm, DUMMY_RELOC_LITUSE_TLSLDM, 1, 1), + DEF (lituse_jsrdirect, DUMMY_RELOC_LITUSE_JSRDIRECT, 1, 1), DEF (gpdisp, BFD_RELOC_ALPHA_GPDISP, 1, 1), DEF (gprelhigh, BFD_RELOC_ALPHA_GPREL_HI16, 0, 0), DEF (gprellow, BFD_RELOC_ALPHA_GPREL_LO16, 0, 0), @@ -770,6 +773,7 @@ debug_exp (expressionS tok[], int ntok) case O_lituse_jsr: name = "O_lituse_jsr"; break; case O_lituse_tlsgd: name = "O_lituse_tlsgd"; break; case O_lituse_tlsldm: name = "O_lituse_tlsldm"; break; + case O_lituse_jsrdirect: name = "O_lituse_jsrdirect"; break; case O_gpdisp: name = "O_gpdisp"; break; case O_gprelhigh: name = "O_gprelhigh"; break; case O_gprellow: name = "O_gprellow"; break; @@ -1720,6 +1724,9 @@ emit_insn (struct alpha_insn *insn) case DUMMY_RELOC_LITUSE_TLSLDM: fixP->fx_offset = LITUSE_ALPHA_TLSLDM; goto do_lituse; + case DUMMY_RELOC_LITUSE_JSRDIRECT: + fixP->fx_offset = LITUSE_ALPHA_JSRDIRECT; + goto do_lituse; do_lituse: fixP->fx_addsy = section_symbol (now_seg); fixP->fx_r_type = BFD_RELOC_ALPHA_LITUSE; diff --git a/gas/doc/c-alpha.texi b/gas/doc/c-alpha.texi index 215ece2..f426b82 100644 --- a/gas/doc/c-alpha.texi +++ b/gas/doc/c-alpha.texi @@ -203,6 +203,12 @@ Used with a register branch format instruction (e.g.@: @code{jsr}) to indicate that the literal is used for a call. During relaxation, the code may be altered to use a direct branch (e.g.@: @code{bsr}). +@item !lituse_jsrdirect!@var{N} +Similar to @code{lituse_jsr}, but also that this call cannot be vectored +through a PLT entry. This is useful for functions with special calling +conventions which do not allow the normal call-clobbered registers to be +clobbered. + @item !lituse_bytoff!@var{N} Used with a byte mask instruction (e.g.@: @code{extbl}) to indicate that only the low 3 bits of the address are relevant. During relaxation, |