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Code Issues Releases Activity

(unw_decode_r1): "inline" it.

Browse source 
(unw_decode_r2): Likewise.
(unw_decode_r3): Likewise.
(unw_decode_p1): Likewise.
(unw_decode_p2_p5): Likewise.
(unw_decode_p6): Likewise.
(unw_decode_p7_p10): Likewise.
(unw_decode_b1): Likewise.
(unw_decode_b3_x4): Likewise.
(unw_decode_table): Remove.
(unw_decode): Do the first-level of decoding inline, rather than
	through the unw_decode_table.

(Logical change 1.148)
This commit is contained in:
mostang.com!davidm 2003-12-21 07:21:28 +00:00
parent aa800d423d
commit c008232bae
1 changed files with 35 additions and 39 deletions
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74
src/ia64/unwind_decoder.h
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@ -179,7 +179,7 @@ unw_decode_x4 (unsigned char *dp, unsigned char code, void *arg)
return dp; return dp;
} }
static unsigned char * static inline unsigned char *
unw_decode_r1 (unsigned char *dp, unsigned char code, void *arg) unw_decode_r1 (unsigned char *dp, unsigned char code, void *arg)
{ {
int body = (code & 0x20) != 0; int body = (code & 0x20) != 0;
@ -190,7 +190,7 @@ unw_decode_r1 (unsigned char *dp, unsigned char code, void *arg)
return dp; return dp;
} }
static unsigned char * static inline unsigned char *
unw_decode_r2 (unsigned char *dp, unsigned char code, void *arg) unw_decode_r2 (unsigned char *dp, unsigned char code, void *arg)
{ {
unsigned char byte1, mask, grsave; unsigned char byte1, mask, grsave;
@ -205,7 +205,7 @@ unw_decode_r2 (unsigned char *dp, unsigned char code, void *arg)
return dp; return dp;
} }
static unsigned char * static inline unsigned char *
unw_decode_r3 (unsigned char *dp, unsigned char code, void *arg) unw_decode_r3 (unsigned char *dp, unsigned char code, void *arg)
{ {
unw_word rlen; unw_word rlen;
@ -215,7 +215,7 @@ unw_decode_r3 (unsigned char *dp, unsigned char code, void *arg)
return dp; return dp;
} }
static unsigned char * static inline unsigned char *
unw_decode_p1 (unsigned char *dp, unsigned char code, void *arg) unw_decode_p1 (unsigned char *dp, unsigned char code, void *arg)
{ {
unsigned char brmask = (code & 0x1f); unsigned char brmask = (code & 0x1f);
@ -224,7 +224,7 @@ unw_decode_p1 (unsigned char *dp, unsigned char code, void *arg)
return dp; return dp;
} }
static unsigned char * static inline unsigned char *
unw_decode_p2_p5 (unsigned char *dp, unsigned char code, void *arg) unw_decode_p2_p5 (unsigned char *dp, unsigned char code, void *arg)
{ {
if ((code & 0x10) == 0) if ((code & 0x10) == 0)
@ -273,7 +273,7 @@ unw_decode_p2_p5 (unsigned char *dp, unsigned char code, void *arg)
return dp; return dp;
} }
static unsigned char * static inline unsigned char *
unw_decode_p6 (unsigned char *dp, unsigned char code, void *arg) unw_decode_p6 (unsigned char *dp, unsigned char code, void *arg)
{ {
int gregs = (code & 0x10) != 0; int gregs = (code & 0x10) != 0;
@ -286,7 +286,7 @@ unw_decode_p6 (unsigned char *dp, unsigned char code, void *arg)
return dp; return dp;
} }
static unsigned char * static inline unsigned char *
unw_decode_p7_p10 (unsigned char *dp, unsigned char code, void *arg) unw_decode_p7_p10 (unsigned char *dp, unsigned char code, void *arg)
{ {
unsigned char r, byte1, byte2; unsigned char r, byte1, byte2;
@ -385,7 +385,7 @@ unw_decode_p7_p10 (unsigned char *dp, unsigned char code, void *arg)
return dp; return dp;
} }
static unsigned char * static inline unsigned char *
unw_decode_b1 (unsigned char *dp, unsigned char code, void *arg) unw_decode_b1 (unsigned char *dp, unsigned char code, void *arg)
{ {
unw_word label = (code & 0x1f); unw_word label = (code & 0x1f);
@ -397,7 +397,7 @@ unw_decode_b1 (unsigned char *dp, unsigned char code, void *arg)
return dp; return dp;
} }
static unsigned char * static inline unsigned char *
unw_decode_b2 (unsigned char *dp, unsigned char code, void *arg) unw_decode_b2 (unsigned char *dp, unsigned char code, void *arg)
{ {
unw_word t; unw_word t;
@ -407,7 +407,7 @@ unw_decode_b2 (unsigned char *dp, unsigned char code, void *arg)
return dp; return dp;
} }
static unsigned char * static inline unsigned char *
unw_decode_b3_x4 (unsigned char *dp, unsigned char code, void *arg) unw_decode_b3_x4 (unsigned char *dp, unsigned char code, void *arg)
{ {
unw_word t, ecount, label; unw_word t, ecount, label;
@ -440,42 +440,38 @@ unw_decode_b3_x4 (unsigned char *dp, unsigned char code, void *arg)
typedef unsigned char *(*unw_decoder) (unsigned char *, unsigned char, void *); typedef unsigned char *(*unw_decoder) (unsigned char *, unsigned char, void *);
static unw_decoder unw_decode_table[2][8] =
{
/* prologue table: */
{
unw_decode_r1, /* 0 */
unw_decode_r1,
unw_decode_r2,
unw_decode_r3,
unw_decode_p1, /* 4 */
unw_decode_p2_p5,
unw_decode_p6,
unw_decode_p7_p10
},
{
unw_decode_r1, /* 0 */
unw_decode_r1,
unw_decode_r2,
unw_decode_r3,
unw_decode_b1, /* 4 */
unw_decode_b1,
unw_decode_b2,
unw_decode_b3_x4
}
};
/* /*
* Decode one descriptor and return address of next descriptor. * Decode one descriptor and return address of next descriptor.
*/ */
static inline unsigned char * static inline unsigned char *
unw_decode (unsigned char *dp, int inside_body, void *arg) unw_decode (unsigned char *dp, int inside_body, void *arg)
{ {
unw_decoder decoder; unsigned char code, primary;
unsigned char code;
code = *dp++; code = *dp++;
decoder = unw_decode_table[inside_body][code >> 5]; primary = code >> 5;
dp = (*decoder) (dp, code, arg);
if (primary < 2)
dp = unw_decode_r1 (dp, code, arg);
else if (primary == 2)
dp = unw_decode_r2 (dp, code, arg);
else if (primary == 3)
dp = unw_decode_r3 (dp, code, arg);
else if (inside_body)
switch (primary)
{
case 4:
case 5: dp = unw_decode_b1 (dp, code, arg); break;
case 6: dp = unw_decode_b2 (dp, code, arg); break;
case 7: dp = unw_decode_b3_x4 (dp, code, arg); break;
}
else
switch (primary)
{
case 4: dp = unw_decode_p1 (dp, code, arg); break;
case 5: dp = unw_decode_p2_p5 (dp, code, arg); break;
case 6: dp = unw_decode_p6 (dp, code, arg); break;
case 7: dp = unw_decode_p7_p10 (dp, code, arg); break;
}
return dp; return dp;
} }