Revision edf8e2af exec.c
| b/exec.c | ||
|---|---|---|
| 2131 | 2131 |
return 0; |
| 2132 | 2132 |
} |
| 2133 | 2133 |
|
| 2134 |
/* dump memory mappings */ |
|
| 2135 |
void page_dump(FILE *f) |
|
| 2134 |
/* |
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* Walks guest process memory "regions" one by one |
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| 2136 |
* and calls callback function 'fn' for each region. |
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| 2137 |
*/ |
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int walk_memory_regions(void *priv, |
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| 2139 |
int (*fn)(void *, unsigned long, unsigned long, unsigned long)) |
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| 2136 | 2140 |
{
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| 2137 | 2141 |
unsigned long start, end; |
| 2142 |
PageDesc *p = NULL; |
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| 2138 | 2143 |
int i, j, prot, prot1; |
| 2139 |
PageDesc *p;
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| 2144 |
int rc = 0;
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| 2140 | 2145 |
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| 2141 |
fprintf(f, "%-8s %-8s %-8s %s\n", |
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| 2142 |
"start", "end", "size", "prot"); |
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| 2143 |
start = -1; |
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| 2144 |
end = -1; |
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| 2146 |
start = end = -1; |
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| 2145 | 2147 |
prot = 0; |
| 2146 |
for(i = 0; i <= L1_SIZE; i++) {
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| 2147 |
if (i < L1_SIZE) |
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p = l1_map[i]; |
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| 2149 |
else |
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| 2150 |
p = NULL; |
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for(j = 0;j < L2_SIZE; j++) {
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| 2152 |
if (!p) |
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prot1 = 0; |
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| 2154 |
else |
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prot1 = p[j].flags; |
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| 2148 |
|
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| 2149 |
for (i = 0; i <= L1_SIZE; i++) {
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| 2150 |
p = (i < L1_SIZE) ? l1_map[i] : NULL; |
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| 2151 |
for (j = 0; j < L2_SIZE; j++) {
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prot1 = (p == NULL) ? 0 : p[j].flags; |
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/* |
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* "region" is one continuous chunk of memory |
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| 2155 |
* that has same protection flags set. |
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| 2156 |
*/ |
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| 2156 | 2157 |
if (prot1 != prot) {
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| 2157 | 2158 |
end = (i << (32 - L1_BITS)) | (j << TARGET_PAGE_BITS); |
| 2158 | 2159 |
if (start != -1) {
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| 2159 |
fprintf(f, "%08lx-%08lx %08lx %c%c%c\n", |
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| 2160 |
start, end, end - start, |
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| 2161 |
prot & PAGE_READ ? 'r' : '-', |
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| 2162 |
prot & PAGE_WRITE ? 'w' : '-', |
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prot & PAGE_EXEC ? 'x' : '-'); |
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rc = (*fn)(priv, start, end, prot); |
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/* callback can stop iteration by returning != 0 */ |
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if (rc != 0) |
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return (rc); |
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| 2164 | 2164 |
} |
| 2165 | 2165 |
if (prot1 != 0) |
| 2166 | 2166 |
start = end; |
| ... | ... | |
| 2168 | 2168 |
start = -1; |
| 2169 | 2169 |
prot = prot1; |
| 2170 | 2170 |
} |
| 2171 |
if (!p)
|
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| 2171 |
if (p == NULL)
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| 2172 | 2172 |
break; |
| 2173 | 2173 |
} |
| 2174 | 2174 |
} |
| 2175 |
return (rc); |
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| 2176 |
} |
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| 2177 |
|
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| 2178 |
static int dump_region(void *priv, unsigned long start, |
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| 2179 |
unsigned long end, unsigned long prot) |
|
| 2180 |
{
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| 2181 |
FILE *f = (FILE *)priv; |
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| 2182 |
|
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| 2183 |
(void) fprintf(f, "%08lx-%08lx %08lx %c%c%c\n", |
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start, end, end - start, |
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| 2185 |
((prot & PAGE_READ) ? 'r' : '-'), |
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((prot & PAGE_WRITE) ? 'w' : '-'), |
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((prot & PAGE_EXEC) ? 'x' : '-')); |
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| 2188 |
|
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| 2189 |
return (0); |
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| 2190 |
} |
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| 2191 |
|
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/* dump memory mappings */ |
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| 2193 |
void page_dump(FILE *f) |
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| 2194 |
{
|
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| 2195 |
(void) fprintf(f, "%-8s %-8s %-8s %s\n", |
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| 2196 |
"start", "end", "size", "prot"); |
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| 2197 |
walk_memory_regions(f, dump_region); |
|
| 2175 | 2198 |
} |
| 2176 | 2199 |
|
| 2177 | 2200 |
int page_get_flags(target_ulong address) |
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