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From: zs01#@andrew.cmu.edu (Zalman Stern)
Date: Mon, 25 May 87 04:01:13 edt
To: rms@prep.ai.mit.edu
Subject: Small diff to yesterdays gdb diffs.
*** EOOH ***
From: zs01#@andrew.cmu.edu (Zalman Stern)
Date: Mon, 25 May 87 04:01:13 edt
To: rms@prep.ai.mit.edu
Subject: Small diff to yesterdays gdb diffs.
Richard,
Here is another minor diff to the diassembler to get certain conditional
branches instructions correct...
Also, I noticed that gcc.tar.Z is out of date with respect to gcc.tar .
When I go to get these files, should I go ahead and replace the compressed
version with a newer one or should I leave it alone? Likewise, should I try and
make a split version on prep?
-Z-
*** ibm032-pinsn.c.old Mon May 25 03:31:04 1987
--- ibm032-pinsn.c Mon May 25 03:47:12 1987
***************
*** 101,112 ****
}
}
else { /* Conditional branches are hacked. */
! switch (type & 0x0f) {
int displacement;
case ibm032_JI:
! fprintf(stream, ibm032_opcodes[opcodeIndex].mnemonic, mapCondition(type & ibm032_negative, buffer[0] & LOW4));
putc('\t', stream);
print_address((buffer[1] << 1) + memaddr, stream);
return 2;
--- 101,112 ----
}
}
else { /* Conditional branches are hacked. */
! switch (type & LOW4) {
int displacement;
case ibm032_JI:
! fprintf(stream, ibm032_opcodes[opcodeIndex].mnemonic, mapCondition(type & ibm032_negative, (buffer[0] & LOW3) + 8));
putc('\t', stream);
print_address((buffer[1] << 1) + memaddr, stream);
return 2;
*** ibm032-opcode.h.old Mon May 25 03:33:19 1987
--- ibm032-opcode.h Mon May 25 03:33:24 1987
***************
*** 11,16 ****
--- 11,17 ----
/* Various useful bit masks. */
#define ibm032_typeMask 0x0f /* Mask to get actual type info out of instruction type. */
+ #define LOW3 0x07
#define LOW4 0x0f
#define HIGH4 0xf0
#define LOW16 0x0000ffff
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