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Fix for newer binutils (2.17). Skip extraneous REX prefix (FIXME?) in disassembly,

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fix decoding for pushq/popq.
This commit is contained in:
gbeauche 2008-02-11 10:14:16 +00:00
parent 5f0e7847d5
commit 1ad1f0a795
1 changed files with 29 additions and 4 deletions
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33
BasiliskII/src/uae_cpu/compiler/test_codegen_x86.cpp
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@ -44,6 +44,8 @@
#include "sysdeps.h"
static int verbose = 2;
#undef abort
#define abort() do { \
fprintf(stderr, "ABORT: %s, line %d\n", __FILE__, __LINE__); \
@ -263,6 +265,20 @@ regnames[] = {
#undef _
};
static inline char *find_blanks(char *p)
{
while (*p && !isspace(*p))
++p;
return p;
}
static inline char *skip_blanks(char *p)
{
while (*p && isspace(*p))
++p;
return p;
}
static int parse_reg(operand_t *op, int optype, char *buf)
{
for (int i = 0; regnames[i].name; i++) {
@ -335,6 +351,17 @@ static void parse_insn(insn_t *ii, char *buf)
char *p = buf;
ii->clear();
if (strncmp(p, "rex64", 5) == 0) {
char *q = find_blanks(p);
if (verbose > 1) {
char prefix[16];
memset(prefix, 0, sizeof(prefix));
memcpy(prefix, p, q - p);
fprintf(stderr, "Instruction '%s', skip REX prefix '%s'\n", buf, prefix);
}
p = skip_blanks(q);
}
for (int i = 0; !isspace(*p); i++)
ii->name[i] = *p++;
@ -557,8 +584,6 @@ static bool check_mem_reg(insn_t *ii, const char *name, uint32 D, int B, int I,
return true;
}
static int verbose = 2;
int main(void)
{
static char buffer[1024];
@ -595,8 +620,8 @@ int main(void)
GENA("inc", INC);
GEN("callq", CALLs);
GEN("jmpq", JMPs);
GEN("pushl", PUSHQ); // FIXME: disass bug? wrong suffix
GEN("popl", POPQ); // FIXME: disass bug? wrong suffix
GEN(X86_TARGET_64BIT ? "pushq" : "pushl", PUSHQ);
GEN(X86_TARGET_64BIT ? "popq" : "popl", POPQ);
GEN("bswap", BSWAPL); // FIXME: disass bug? no suffix
GEN("bswap", BSWAPQ); // FIXME: disass bug? no suffix
GEN("seto", SETO);