DrSocalkwe3n/luajit
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String buffer refactoring, part 2.

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Switch to pointers for start/pos/end of buffer.
Abstract out some buffer writers.
This commit is contained in:
Mike Pall
2013-02-27 21:17:27 +01:00
parent 28cfcf7744
commit 116cdd7e9a
18 changed files with 334 additions and 336 deletions
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13
src/lj_gdbjit.c
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@@ -14,6 +14,7 @@
#include "lj_err.h"
#include "lj_debug.h"
#include "lj_frame.h"
#include "lj_buf.h"
#include "lj_jit.h"
#include "lj_dispatch.h"
@@ -426,16 +427,6 @@ static void gdbjit_catnum(GDBJITctx *ctx, uint32_t n)
*ctx->p++ = '0' + n;
}
/* Add a ULEB128 value. */
static void gdbjit_uleb128(GDBJITctx *ctx, uint32_t v)
{
uint8_t *p = ctx->p;
for (; v >= 0x80; v >>= 7)
*p++ = (uint8_t)((v & 0x7f) | 0x80);
*p++ = (uint8_t)v;
ctx->p = p;
}
/* Add a SLEB128 value. */
static void gdbjit_sleb128(GDBJITctx *ctx, int32_t v)
{
@@ -452,7 +443,7 @@ static void gdbjit_sleb128(GDBJITctx *ctx, int32_t v)
#define DU16(x) (*(uint16_t *)p = (x), p += 2)
#define DU32(x) (*(uint32_t *)p = (x), p += 4)
#define DADDR(x) (*(uintptr_t *)p = (x), p += sizeof(uintptr_t))
#define DUV(x) (ctx->p = p, gdbjit_uleb128(ctx, (x)), p = ctx->p)
#define DUV(x) (p = (uint8_t *)lj_buf_wuleb128((char *)p, (x)))
#define DSV(x) (ctx->p = p, gdbjit_sleb128(ctx, (x)), p = ctx->p)
#define DSTR(str) (ctx->p = p, gdbjit_strz(ctx, (str)), p = ctx->p)
#define DALIGNNOP(s) while ((uintptr_t)p & ((s)-1)) *p++ = DW_CFA_nop