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NDS32: Set branch instruction to relaxable.

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Relaxable fragments can be relaxed when there are alignment requirements.
Besides, insert a dummy fragment in the final to make sure that all
alignment is traversed.  Finally, convert these fragments
in md_convert_frag with relax_table.
This commit is contained in:
Kuan-Lin Chen 2015-01-29 15:49:02 +08:00
parent 3d7ad9b426
commit ea16498d5a
3 changed files with 279 additions and 167 deletions
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426
gas/config/tc-nds32.c
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@ -140,19 +140,19 @@ static relax_info_t relax_table[] =
{4, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
@ -221,25 +221,25 @@ static relax_info_t relax_table[] =
{4, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGCALL5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGCALL6},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
{4, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_PTR},
@ -306,25 +306,25 @@ static relax_info_t relax_table[] =
{4, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGCALL5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGCALL6},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
{4, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_PTR},
@ -371,19 +371,19 @@ static relax_info_t relax_table[] =
{2, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 2, 0, BFD_RELOC_NDS32_9_PCREL},
{0, 2, NDS32_PCREL, BFD_RELOC_NDS32_9_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
@ -432,19 +432,19 @@ static relax_info_t relax_table[] =
{2, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 2, 0, BFD_RELOC_NDS32_9_PCREL},
{0, 2, NDS32_PCREL, BFD_RELOC_NDS32_9_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
@ -513,28 +513,28 @@ static relax_info_t relax_table[] =
{4, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_INSN16 , BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP6},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
@ -602,25 +602,25 @@ static relax_info_t relax_table[] =
{4, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP6},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
{4, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_PTR},
@ -687,28 +687,28 @@ static relax_info_t relax_table[] =
{4, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_INSN16 , BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP6},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
@ -776,25 +776,25 @@ static relax_info_t relax_table[] =
{4, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP6},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
{4, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_PTR},
@ -861,25 +861,25 @@ static relax_info_t relax_table[] =
{4, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP6},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
{4, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_PTR},
@ -946,25 +946,25 @@ static relax_info_t relax_table[] =
{4, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP6},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
{4, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_PTR},
@ -1038,33 +1038,33 @@ static relax_info_t relax_table[] =
{4, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 4, 0, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16, BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_ABS, BFD_RELOC_NDS32_EMPTY},
{4, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP6},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
@ -1139,32 +1139,32 @@ static relax_info_t relax_table[] =
{4, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 4, 0, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16, BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP6},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
@ -1232,27 +1232,27 @@ static relax_info_t relax_table[] =
{2, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 2, 0, BFD_RELOC_NDS32_9_PCREL},
{0, 2, NDS32_PCREL, BFD_RELOC_NDS32_9_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP6},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
@ -1320,27 +1320,27 @@ static relax_info_t relax_table[] =
{2, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 2, 0, BFD_RELOC_NDS32_9_PCREL},
{0, 2, NDS32_PCREL, BFD_RELOC_NDS32_9_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP6},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
@ -1390,27 +1390,27 @@ static relax_info_t relax_table[] =
{2, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 2, 0, BFD_RELOC_NDS32_9_PCREL},
{0, 2, NDS32_PCREL, BFD_RELOC_NDS32_9_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP6},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
@ -1460,27 +1460,27 @@ static relax_info_t relax_table[] =
{2, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 2, 0, BFD_RELOC_NDS32_9_PCREL},
{0, 2, NDS32_PCREL, BFD_RELOC_NDS32_9_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, 0, BFD_RELOC_NDS32_17_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_17_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP6},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
@ -1549,31 +1549,31 @@ static relax_info_t relax_table[] =
{2, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 2, 0, BFD_RELOC_NDS32_9_PCREL},
{0, 2, NDS32_PCREL, BFD_RELOC_NDS32_9_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP6},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
@ -1642,31 +1642,31 @@ static relax_info_t relax_table[] =
{2, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 2, 0, BFD_RELOC_NDS32_9_PCREL},
{0, 2, NDS32_PCREL, BFD_RELOC_NDS32_9_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, 0, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP5},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{4, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP6},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
@ -1742,27 +1742,27 @@ static relax_info_t relax_table[] =
{4, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 4, 0, BFD_RELOC_NDS32_WORD_9_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_WORD_9_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP7},
{4, 4, 0, BFD_RELOC_NDS32_15_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_WORD_9_PCREL},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_WORD_9_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_WORD_9_PCREL},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_WORD_9_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_WORD_9_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_WORD_9_PCREL},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
{8, 4, 0, BFD_RELOC_NDS32_LO12S0_ORI},
{12, 4, NDS32_INSN16, BFD_RELOC_NDS32_INSN16},
@ -1832,27 +1832,27 @@ static relax_info_t relax_table[] =
{4, 4, 4, 4, 4}, /* relax_branch_isize */
{
{
{0, 4, 0, BFD_RELOC_NDS32_WORD_9_PCREL},
{0, 4, NDS32_PCREL, BFD_RELOC_NDS32_WORD_9_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S256 */
{
{0, 4, NDS32_INSN16 | NDS32_HINT, BFD_RELOC_NDS32_INSN16},
{0, 4, NDS32_PTR | NDS32_HINT, BFD_RELOC_NDS32_LONGJUMP7},
{4, 4, 0, BFD_RELOC_NDS32_15_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_15_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_WORD_9_PCREL},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_WORD_9_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S64K */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_WORD_9_PCREL},
{4, 4, 0, BFD_RELOC_NDS32_25_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_WORD_9_PCREL},
{4, 4, NDS32_PCREL, BFD_RELOC_NDS32_25_PCREL},
{0, 0, 0, 0}
}, /* BR_RANGE_S16M */
{
{0, 4, NDS32_CREATE_LABEL, BFD_RELOC_NDS32_WORD_9_PCREL},
{0, 4, NDS32_CREATE_LABEL | NDS32_PCREL, BFD_RELOC_NDS32_WORD_9_PCREL},
{4, 4, 0, BFD_RELOC_NDS32_HI20},
{8, 4, 0, BFD_RELOC_NDS32_LO12S0_ORI},
{12, 4, NDS32_INSN16, BFD_RELOC_NDS32_INSN16},
@ -2139,7 +2139,9 @@ static struct hash_control *nds32_pseudo_opcode_hash = NULL;
static int
builtin_isreg (const char *s, const char *x ATTRIBUTE_UNUSED)
{
return s[0] == '$';
if (s [0] == '$' && hash_find (nds32_gprs_hash, (s + 1)))
return 1;
return 0;
}
static int
@ -2591,16 +2593,18 @@ do_pseudo_move (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED
{
expressionS exp;
parse_expression (argv[1], &exp);
if (builtin_isreg (argv[1], NULL))
do_pseudo_move_reg_internal (argv[0], argv[1]);
else if (exp.X_op == O_constant)
/* move $rt, imm -> li $rt, imm */
do_pseudo_li_internal (argv[0], exp.X_add_number);
else
/* l.w $rt, var -> l.w $rt, var */
do_pseudo_ls_bhw (argc, argv, 2);
{
parse_expression (argv[1], &exp);
if (exp.X_op == O_constant)
/* move $rt, imm -> li $rt, imm */
do_pseudo_li_internal (argv[0], exp.X_add_number);
else
/* l.w $rt, var -> l.w $rt, var */
do_pseudo_ls_bhw (argc, argv, 2);
}
}
static void
@ -3891,6 +3895,7 @@ nds32_pre_do_align (int n, char *fill, int len, int max)
{
if (subseg_text_p (now_seg))
{
dwarf2_emit_insn (0);
fragP = frag_now;
frag_align_code (n, max);
@ -4922,6 +4927,7 @@ nds32_elf_append_relax_relocs (const char *key ATTRIBUTE_UNUSED, void *value)
unsigned int ptr_offset, hint_count, relax_code_size, count = 0;
uint32_t *code_seq, code_insn;
char *where;
int pcrel;
if (!relocs_pattern)
return;
@ -5002,6 +5008,7 @@ nds32_elf_append_relax_relocs (const char *key ATTRIBUTE_UNUSED, void *value)
{
/* Set the real instruction size in element. */
fixup_size = pattern_now->opcode->isize;
pcrel = ((fixup_now->ramp & NDS32_PCREL) != 0) ? 1 : 0;
if (fixup_now->ramp & NDS32_FIX)
{
/* Convert original relocation. */
@ -5075,8 +5082,8 @@ nds32_elf_append_relax_relocs (const char *key ATTRIBUTE_UNUSED, void *value)
if (fixup_size != 0)
{
fixP = fix_new_exp (fragP, where - fragP->fr_literal,
fixup_size, &exp, 0, fixup_now->r_type);
fixP = fix_new_exp (fragP, where - fragP->fr_literal, fixup_size,
&exp, pcrel, fixup_now->r_type);
fixP->fx_addnumber = fixP->fx_offset;
}
fixup_now++;
@ -5170,6 +5177,7 @@ md_assemble (char *str)
label_exist = 0;
insn.info = (expressionS *) alloca (sizeof (expressionS));
asm_desc.result = NASM_OK;
nds32_assemble (&asm_desc, &insn, str);
switch (asm_desc.result)
@ -5181,7 +5189,7 @@ md_assemble (char *str)
as_bad (_("Incorrect syntax, %s."), str);
return;
case NASM_ERR_OPERAND:
as_bad (_("Unrecognized operand, %s."), str);
as_bad (_("Unrecognized operand/register, %s."), str);
return;
case NASM_ERR_OUT_OF_RANGE:
as_bad (_("Operand out of range, %s."), str);
@ -5247,18 +5255,28 @@ md_assemble (char *str)
return;
/* md_convert_frag will insert relocations. */
}
else if (!fld && !relaxing && enable_16bit && (optimize || optimize_for_space)
&& ((!verbatim && insn.opcode->isize == 4
else if (!relaxing && enable_16bit && (optimize || optimize_for_space)
&& ((!fld && !verbatim && insn.opcode->isize == 4
&& nds32_convert_32_to_16 (stdoutput, insn.insn, &insn_16, NULL))
|| (insn.opcode->isize == 2
&& nds32_convert_16_to_32 (stdoutput, insn.insn, NULL))))
{
/* Record this one is relaxable. */
pexp = insn.info;
dwarf2_emit_insn (0);
out = frag_var (rs_machine_dependent,
4, /* Max size is 32-bit instruction. */
0, /* VAR is un-used. */
0, NULL, 0, NULL);
if (fld)
{
out = frag_var (rs_machine_dependent,
4, /* Max size is 32-bit instruction. */
0, /* VAR is un-used. */
0, pexp->X_add_symbol, pexp->X_add_number, 0);
fragP->tc_frag_data.flag |= NDS32_FRAG_RELAXABLE_BRANCH;
}
else
out = frag_var (rs_machine_dependent,
4, /* Max size is 32-bit instruction. */
0, /* VAR is un-used. */
0, NULL, 0, NULL);
fragP->tc_frag_data.flag |= NDS32_FRAG_RELAXABLE;
fragP->tc_frag_data.opcode = insn.opcode;
fragP->tc_frag_data.insn = insn.insn;
@ -5292,7 +5310,10 @@ md_assemble (char *str)
exp.X_op = O_symbol;
exp.X_add_symbol = abs_section_sym;
exp.X_add_number = 0;
fixP = fix_new_exp (fragP, 0, 0, &exp, 0, BFD_RELOC_NDS32_LABEL);
fixP = fix_new_exp (fragP, fragP->fr_fix - 4, 0, &exp,
0, BFD_RELOC_NDS32_LABEL);
if (!verbatim)
fragP->tc_frag_data.flag = NDS32_FRAG_ALIGN;
}
}
else
@ -5638,6 +5659,22 @@ invalid_prev_frag (fragS * fragP, fragS **prev_frag)
}
frag_t = frag_t->fr_next;
}
if (fragP->tc_frag_data.flag & NDS32_FRAG_ALIGN)
{
address = fragP->fr_address;
addressT offset = nds32_get_align (address, 2);
if (offset & 0x2)
{
/* If there is label on the prev_frag, check if it is aligned. */
if (!((*prev_frag)->tc_frag_data.flag & NDS32_FRAG_LABEL)
|| (((*prev_frag)->fr_address + (*prev_frag)->fr_fix - 2 )
& 0x2) == 0)
nds32_adjust_relaxable_frag (*prev_frag, fragP);
}
*prev_frag = NULL;
return;
}
}
/* md_relax_frag */
@ -5723,7 +5760,6 @@ md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, segT sec, fragS *fragP)
enum nds32_br_range branch_range_type = fragP->fr_subtype;
struct nds32_opcode *opcode = fragP->tc_frag_data.opcode;
uint32_t origin_insn = fragP->tc_frag_data.insn;
int backup_endian;
relax_info_t *relax_info;
char *fr_buffer;
int fr_where;
@ -5734,7 +5770,7 @@ md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, segT sec, fragS *fragP)
uint32_t *code_seq;
uint32_t insn;
int code_size, insn_size, offset, fixup_size;
int buf_offset;
int buf_offset, pcrel;
int i, k;
uint16_t insn_16;
nds32_relax_fixup_info_t fixup_info[MAX_RELAX_FIX];
@ -5750,10 +5786,48 @@ md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, segT sec, fragS *fragP)
if (opcode == NULL)
return;
/* Relax the insntruction. */
if (fragP->tc_frag_data.flag & NDS32_FRAG_RELAXED)
if (fragP->tc_frag_data.flag & NDS32_FRAG_RELAXABLE_BRANCH)
{
relax_info = hash_find (nds32_relax_info_hash, opcode->opcode);
if (relax_info == NULL)
return;
i = BR_RANGE_S256;
while (i < BR_RANGE_NUM
&& relax_info->relax_code_size[i]
!= (fragP->tc_frag_data.flag & NDS32_FRAG_RELAXED ? 4 : 2))
i++;
if (i >= BR_RANGE_NUM)
as_bad ("Internal error: Cannot find relocation of"
"relaxable branch.");
exp.X_op = O_symbol;
exp.X_add_symbol = branch_symbol;
exp.X_add_number = branch_offset;
pcrel = ((relax_info->relax_fixup[i][0].ramp & NDS32_PCREL) != 0) ? 1 : 0;
fr_where = fragP->fr_fix - 2;
fixP = fix_new_exp (fragP, fr_where, relax_info->relax_fixup[i][0].size,
&exp, pcrel, relax_info->relax_fixup[i][0].r_type);
fixP->fx_addnumber = fixP->fx_offset;
if (fragP->tc_frag_data.flag & NDS32_FRAG_RELAXED)
{
insn_16 = fragP->tc_frag_data.insn;
nds32_convert_16_to_32 (stdoutput, insn_16, &insn);
fr_buffer = fragP->fr_literal + fr_where;
fragP->fr_fix += 2;
exp.X_op = O_symbol;
exp.X_add_symbol = abs_section_sym;
exp.X_add_number = 0;
fix_new_exp (fragP, fr_where, 4,
&exp, 0, BFD_RELOC_NDS32_INSN16);
number_to_chars_bigendian (fr_buffer, insn, 4);
}
}
else if (fragP->tc_frag_data.flag & NDS32_FRAG_RELAXED)
{
expressionS exp_t;
if (fragP->tc_frag_data.opcode->isize == 2)
{
insn_16 = fragP->tc_frag_data.insn;
@ -5764,14 +5838,14 @@ md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, segT sec, fragS *fragP)
fragP->fr_fix += 2;
fr_where = fragP->fr_fix - 4;
fr_buffer = fragP->fr_literal + fr_where;
exp_t.X_op = O_symbol;
exp_t.X_add_symbol = abs_section_sym;
exp_t.X_add_number = 0;
fix_new_exp (fragP, fr_where, 4, &exp_t, 0,
exp.X_op = O_symbol;
exp.X_add_symbol = abs_section_sym;
exp.X_add_number = 0;
fix_new_exp (fragP, fr_where, 4, &exp, 0,
BFD_RELOC_NDS32_INSN16);
number_to_chars_bigendian (fr_buffer, insn, 4);
}
else
else if (fragP->tc_frag_data.flag & NDS32_FRAG_BRANCH)
{
/* Branch instruction adjust and append relocations. */
relax_info = hash_find (nds32_relax_info_hash, opcode->opcode);
@ -5779,9 +5853,6 @@ md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, segT sec, fragS *fragP)
if (relax_info == NULL)
return;
backup_endian = target_big_endian;
target_big_endian = 1;
fr_where = fragP->fr_fix - opcode->isize;
fr_buffer = fragP->fr_literal + fr_where;
@ -5835,7 +5906,7 @@ md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, segT sec, fragS *fragP)
&& relax_info->relax_fixup[branch_range_type][k].offset < offset)
k++;
md_number_to_chars (fr_buffer + buf_offset, insn, insn_size);
number_to_chars_bigendian (fr_buffer + buf_offset, insn, insn_size);
buf_offset += insn_size;
offset += insn_size;
@ -5848,6 +5919,7 @@ md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, segT sec, fragS *fragP)
for (i = 0; fixup_info[i].size != 0; i++)
{
fixup_size = fixup_info[i].size;
pcrel = ((fixup_info[i].ramp & NDS32_PCREL) != 0) ? 1 : 0;
if ((fixup_info[i].ramp & NDS32_CREATE_LABEL) != 0)
{
@ -5885,14 +5957,13 @@ md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, segT sec, fragS *fragP)
if (fixup_info[i].r_type != 0)
{
fixP = fix_new_exp (fragP, fr_where + fixup_info[i].offset,
fixup_size, &exp, 0, fixup_info[i].r_type);
fixup_size, &exp, pcrel,
fixup_info[i].r_type);
fixP->fx_addnumber = fixP->fx_offset;
}
}
fragP->fr_fix = fr_where + buf_offset;
target_big_endian = backup_endian;
}
}
@ -6157,9 +6228,42 @@ nds32_elf_analysis_relax_hint (void)
hash_traverse (nds32_hint_hash, nds32_elf_append_relax_relocs);
}
static void
nds32_elf_insert_final_frag (void)
{
struct frchain *frchainP;
asection *s;
fragS *fragP;
if (!optimize)
return;
for (s = stdoutput->sections; s; s = s->next)
{
segment_info_type *seginfo = seg_info (s);
if (!seginfo)
continue;
for (frchainP = seginfo->frchainP; frchainP != NULL;
frchainP = frchainP->frch_next)
{
subseg_set (s, frchainP->frch_subseg);
if (subseg_text_p (now_seg))
{
fragP = frag_now;
frag_var (rs_machine_dependent, 2, /* Max size. */
0, /* VAR is un-used. */ 0, NULL, 0, NULL);
fragP->tc_frag_data.flag |= NDS32_FRAG_FINAL;
}
}
}
}
void
md_end (void)
{
nds32_elf_insert_final_frag ();
nds32_elf_analysis_relax_hint ();
bfd_map_over_sections (stdoutput, nds32_insert_leb128_fixes, NULL);
}

17
gas/config/tc-nds32.h
View file

@ -151,10 +151,16 @@ extern void nds32_do_align (int);
/* frags.c. */
#define NDS32_FRAG_RELAXABLE 0x1
#define NDS32_FRAG_RELAXED 0x2
#define NDS32_FRAG_BRANCH 0x4
#define NDS32_FRAG_LABEL 0x8
enum FRAG_ATTR
{
NDS32_FRAG_RELAXABLE = 0x1,
NDS32_FRAG_RELAXED = 0x2,
NDS32_FRAG_BRANCH = 0x4,
NDS32_FRAG_LABEL = 0x8,
NDS32_FRAG_FINAL = 0x10,
NDS32_FRAG_RELAXABLE_BRANCH = 0x20,
NDS32_FRAG_ALIGN = 0x40
};
struct nds32_frag_type
{
@ -222,7 +228,8 @@ enum nds32_ramp
NDS32_HINT = (1 << 6),
NDS32_FIX = (1 << 7),
NDS32_ADDEND = (1 << 8),
NDS32_SYM = (1 << 9)
NDS32_SYM = (1 << 9),
NDS32_PCREL = (1 << 10)
};
typedef struct nds32_relax_fixup_info

3
opcodes/nds32-asm.c
View file

@ -2270,7 +2270,8 @@ retry_dot:
pinsn->opcode = opc;
if (opc == NULL)
{
pdesc->result = NASM_ERR_SYNTAX;
if (pdesc->result == NASM_OK)
pdesc->result = NASM_ERR_SYNTAX;
goto out;
}