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Decode some REX prefixes in inst_call(). This makes the 'next' and

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'until' commands work in more cases.
This commit is contained in:
Bruce Evans 2016-09-15 18:30:53 +00:00
parent 79816bbe94
commit 9680db5e94
1 changed files with 4 additions and 3 deletions
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7
sys/amd64/include/db_machdep.h
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@ -69,14 +69,15 @@ do { \
#define I_CALL 0xe8
#define I_CALLI 0xff
#define i_calli(ins) (((ins)&0xff) == I_CALLI && ((ins)&0x3800) == 0x1000)
#define I_RET 0xc3
#define I_IRET 0xcf
#define i_rex(ins) (((ins) & 0xff) == 0x41 || ((ins) & 0xff) == 0x43)
#define inst_trap_return(ins) (((ins)&0xff) == I_IRET)
#define inst_return(ins) (((ins)&0xff) == I_RET)
#define inst_call(ins) (((ins)&0xff) == I_CALL || \
(((ins)&0xff) == I_CALLI && \
((ins)&0x3800) == 0x1000))
#define inst_call(ins) (((ins)&0xff) == I_CALL || i_calli(ins) || \
(i_calli((ins) >> 8) && i_rex(ins)))
#define inst_load(ins) 0
#define inst_store(ins) 0