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author | Tomer Levi <Tomer.Levi@nsc.com> | 2004-09-20 14:25:36 +0000 |
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committer | Tomer Levi <Tomer.Levi@nsc.com> | 2004-09-20 14:25:36 +0000 |
commit | 64995a6bc793d3ea204551b3c5cb2504e43f4b74 (patch) | |
tree | a6241bd22a0e90da7e1eeb8ccea3c68f108cfedb /gas/config/tc-crx.c | |
parent | 2a410a2e0bbda5e94223005c203896fab774d4a3 (diff) | |
download | gdb-64995a6bc793d3ea204551b3c5cb2504e43f4b74.zip gdb-64995a6bc793d3ea204551b3c5cb2504e43f4b74.tar.gz gdb-64995a6bc793d3ea204551b3c5cb2504e43f4b74.tar.bz2 |
Handle load/stor unique instructions before parsing
Diffstat (limited to 'gas/config/tc-crx.c')
-rw-r--r-- | gas/config/tc-crx.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/gas/config/tc-crx.c b/gas/config/tc-crx.c index 4bd3d18..382c562 100644 --- a/gas/config/tc-crx.c +++ b/gas/config/tc-crx.c @@ -166,7 +166,7 @@ static int getbits (operand_type); static int get_number_of_operands (void); static void get_operandtype (char *, int, ins *); static int gettrap (char *); -static void handle_pi_insn (char *); +static void handle_LoadStor (char *); static int get_cinv_parameters (char *); static unsigned long getconstant (unsigned long, int); static int getreg_image (reg); @@ -1667,15 +1667,26 @@ gettrap (char *s) return 0; } -/* Post-Increment instructions are a sub-group within load/stor instruction - groups. Therefore, when parsing a Post-Increment insn, we have to advance - the instruction pointer to the start of that sub-group. */ +/* Post-Increment instructions, as well as Store-Immediate instructions, are a + sub-group within load/stor instruction groups. + Therefore, when parsing a Post-Increment/Store-Immediate insn, we have to + advance the instruction pointer to the start of that sub-group (that is, up + to the first instruction of that type). + Otherwise, the insn will be mistakenly identified as of type LD_STOR_INS. */ static void -handle_pi_insn (char *operands) +handle_LoadStor (char *operands) { + /* Assuming Store-Immediate insn has the following format : + 'MNEMONIC $DISP, ...' (e.g. 'storb $1, 12(r5)'). + STOR_IMM_INS are the only store insns containing a dollar sign ($). */ + if (strstr (operands, "$") != NULL) + while (! IS_INSN_TYPE (STOR_IMM_INS)) + instruction++; + /* Assuming Post-Increment insn has the following format : - 'MNEMONIC DISP(REG)+, REG' (e.g. 'loadw 12(r5)+, r6'). */ + 'MNEMONIC DISP(REG)+, REG' (e.g. 'loadw 12(r5)+, r6'). + LD_STOR_INS_INC are the only store insns containing a plus sign (+). */ if (strstr (operands, ")+") != NULL) while (! IS_INSN_TYPE (LD_STOR_INS_INC)) instruction++; @@ -1700,8 +1711,8 @@ parse_insn (ins *insn, char *operands) } /* Handle load/stor post-increment instructions. */ - if (IS_INSN_TYPE (LD_STOR_INS) || IS_INSN_TYPE (STOR_IMM_INS)) - handle_pi_insn (operands); + if (IS_INSN_TYPE (LD_STOR_INS)) + handle_LoadStor (operands); if (operands != NULL) parse_operands (insn, operands); |