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| author | Nick Clifton <nickc@redhat.com> | 2015-07-24 16:44:27 +0100 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2015-07-24 16:44:27 +0100 |
| commit | aff1a65ecb5cfcf1abfb23ea0e0f37f39e75683e (patch) | |
| tree | 06e40b920daf39a9f55075b40106bb2d074ba362 /gas/config | |
| parent | 5826e159863b6cd69953dc01faf7c20414409909 (diff) | |
| download | gdb-aff1a65ecb5cfcf1abfb23ea0e0f37f39e75683e.zip gdb-aff1a65ecb5cfcf1abfb23ea0e0f37f39e75683e.tar.gz gdb-aff1a65ecb5cfcf1abfb23ea0e0f37f39e75683e.tar.bz2 | |
Fix the evaluation of RL78 complex relocs, by making immediate values be computed relative to a new absolute symbol.
gas * config/tc-rl78.c (rl78_abs_sym): New local variable.
(md_begin): Initialise the new symbol.
(OPIMM): Define the value to be relative to the new symbol and not
the absolute section symbol.
ld * emulparams/elf32rl78.sh (OTHER_SECTIONS): Provide a value for
the _-rl78_abs__ symbol.
tests * gas/all/struct.d: Allow for extra symbols in the output.
* gas/macros/test1.d: Likewise.
* gas/elf/elf.exp: Add an rl78 machine.
* gas/elf/sections2e-rl78: New file.
tests * binutils-all/localize-hidden-1.d: Allow for extra symbols in the
output.
* binutils-all/strip-11.d: Skip for the RL78.
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-rl78.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/gas/config/tc-rl78.c b/gas/config/tc-rl78.c index 3a14fc0..c9d5c97 100644 --- a/gas/config/tc-rl78.c +++ b/gas/config/tc-rl78.c @@ -402,9 +402,12 @@ const pseudo_typeS md_pseudo_table[] = { NULL, NULL, 0 } }; +static symbolS * rl78_abs_sym = NULL; + void md_begin (void) { + rl78_abs_sym = symbol_make ("__rl78_abs__"); } void @@ -1240,7 +1243,17 @@ tc_gen_reloc (asection * seg ATTRIBUTE_UNUSED, fixS * fixp) reloc[rp]->address = fixp->fx_frag->fr_address + fixp->fx_where; \ reloc[++rp] = NULL #define OPSYM(SYM) OPX(BFD_RELOC_RL78_SYM, SYM, 0) -#define OPIMM(IMM) OPX(BFD_RELOC_RL78_SYM, abs_symbol.bsym, IMM) + + /* FIXME: We cannot do the normal thing for an immediate value reloc, + ie creating a RL78_SYM reloc in the *ABS* section with an offset + equal to the immediate value we want to store. This fails because + the reloc processing in bfd_perform_relocation and bfd_install_relocation + will short circuit such relocs and never pass them on to the special + reloc processing code. So instead we create a RL78_SYM reloc against + the __rl78_abs__ symbol and arrange for the linker scripts to place + this symbol at address 0. */ +#define OPIMM(IMM) OPX (BFD_RELOC_RL78_SYM, symbol_get_bfdsym (rl78_abs_sym), IMM) + #define OP(OP) OPX(BFD_RELOC_RL78_##OP, *reloc[0]->sym_ptr_ptr, 0) #define SYM0() reloc[0]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RL78_SYM) |