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Fix printvideo regression and minor improvements

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This commit is contained in:
Justine Tunney 2020-08-26 09:41:07 -07:00
parent eb4bb43275
commit e86cff8ba0
25 changed files with 240 additions and 207 deletions
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13
tool/build/lib/disarg.c
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@ -23,8 +23,17 @@
#include "libc/macros.h"
#include "libc/str/str.h"
#include "tool/build/lib/dis.h"
#include "tool/build/lib/endian.h"
#include "tool/build/lib/modrm.h"
#define SSTRCMP8(S1, S2) \
({ \
uint64_t x, y; \
x = READ64BE(S1); \
y = READ64BE(S2); \
x > y ? 1 : x < y ? -1 : 0; \
})
static const char kScale[4][4] = {"", ",2", ",4", ",8"};
static const char kSegName[8][3] = {"es", "cs", "ss", "ds", "fs", "gs"};
static const char kSegOverride[8][3] = {"", "cs", "ds", "es", "fs", "gs", "ss"};
@ -541,12 +550,14 @@ static const struct DisArg {
};
char *DisArg(struct DisBuilder b, char *p, const char *s) {
char key[8];
int c, m, l, r;
l = 0;
r = ARRAYLEN(kDisArgs) - 1;
strncpy(key, s, 8);
while (l <= r) {
m = (l + r) >> 1;
c = strcmp(kDisArgs[m].s, s);
c = SSTRCMP8(kDisArgs[m].s, key);
if (c < 0) {
l = m + 1;
} else if (c > 0) {