diff options
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 7 | ||||
| -rw-r--r-- | gas/config/tc-arm.c | 35 |
2 files changed, 42 insertions, 0 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 10aa757..2602aa3 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,12 @@ 2019-04-15 Sudakshina Das <sudi.das@arm.com> + * config/tc-arm.c (md_pcrel_from_section): New switch case for + BFD_RELOC_ARM_THUMB_BF19. + (md_appdy_fix): Likewise. + (tc_gen_reloc): Likewise. + +2019-04-15 Sudakshina Das <sudi.das@arm.com> + * config/tc-arm.c (T16_32_TAB): New entries for bfx and bflx. (do_t_v8_1_branch): New switch cases for bfx and bflx. (insns): New instruction for bfx and bflx. diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c index c7c1a82..177d90f 100644 --- a/gas/config/tc-arm.c +++ b/gas/config/tc-arm.c @@ -22924,6 +22924,7 @@ md_pcrel_from_section (fixS * fixP, segT seg) case BFD_RELOC_THUMB_PCREL_BRANCH20: case BFD_RELOC_THUMB_PCREL_BRANCH25: case BFD_RELOC_ARM_THUMB_BF17: + case BFD_RELOC_ARM_THUMB_BF19: return base + 4; case BFD_RELOC_THUMB_PCREL_BRANCH23: @@ -24854,6 +24855,39 @@ md_apply_fix (fixS * fixP, } break; + case BFD_RELOC_ARM_THUMB_BF19: + if (fixP->fx_addsy + && (S_GET_SEGMENT (fixP->fx_addsy) == seg) + && !S_FORCE_RELOC (fixP->fx_addsy, TRUE) + && ARM_IS_FUNC (fixP->fx_addsy) + && ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v8_1m_main)) + { + /* Force a relocation for a branch 19 bits wide. */ + fixP->fx_done = 0; + } + + if (v8_1_branch_value_check (value, 19, TRUE) == FAIL) + as_bad_where (fixP->fx_file, fixP->fx_line, + BAD_BRANCH_OFF); + + if (fixP->fx_done || !seg->use_rela_p) + { + offsetT newval2; + addressT immA, immB, immC; + + immA = (value & 0x0007f000) >> 12; + immB = (value & 0x00000ffc) >> 2; + immC = (value & 0x00000002) >> 1; + + newval = md_chars_to_number (buf, THUMB_SIZE); + newval2 = md_chars_to_number (buf + THUMB_SIZE, THUMB_SIZE); + newval |= immA; + newval2 |= (immC << 11) | (immB << 1); + md_number_to_chars (buf, newval, THUMB_SIZE); + md_number_to_chars (buf + THUMB_SIZE, newval2, THUMB_SIZE); + } + break; + case BFD_RELOC_ARM_V4BX: /* This will need to go in the object file. */ fixP->fx_done = 0; @@ -25037,6 +25071,7 @@ tc_gen_reloc (asection *section, fixS *fixp) case BFD_RELOC_ARM_GOTOFFFUNCDESC: case BFD_RELOC_ARM_FUNCDESC: case BFD_RELOC_ARM_THUMB_BF17: + case BFD_RELOC_ARM_THUMB_BF19: code = fixp->fx_r_type; break; |