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Lines 1174-1183
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| 1174 |
} |
1174 |
} |
| 1175 |
#endif /* ! STAGE1_5 */ |
1175 |
#endif /* ! STAGE1_5 */ |
| 1176 |
|
1176 |
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|
1177 |
#ifdef GRUB_UTIL |
| 1178 |
# ifdef __PIC__ |
| 1179 |
# if defined(HAVE_START_SYMBOL) && defined(HAVE_END_SYMBOL) |
| 1180 |
extern char start[]; |
| 1181 |
extern char end[]; |
| 1182 |
# elif defined(HAVE_USCORE_START_SYMBOL) && defined (HAVE_USCORE_END_SYMBOL) |
| 1183 |
extern char _start[]; |
| 1184 |
extern char _end[]; |
| 1185 |
# endif |
| 1186 |
# endif |
| 1187 |
#endif |
| 1177 |
int |
1188 |
int |
| 1178 |
memcheck (int addr, int len) |
1189 |
memcheck (int addr, int len) |
| 1179 |
{ |
1190 |
{ |
| 1180 |
#ifdef GRUB_UTIL |
1191 |
#ifdef GRUB_UTIL |
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|
1192 |
# ifdef __PIC__ |
| 1193 |
# if defined(HAVE_START_SYMBOL) && defined(HAVE_END_SYMBOL) |
| 1194 |
if (start <= addr && end > addr + len) |
| 1195 |
return ! errnum; |
| 1196 |
# elif defined(HAVE_USCORE_START_SYMBOL) && defined (HAVE_USCORE_END_SYMBOL) |
| 1197 |
if (_start <= addr && _end > addr + len) |
| 1198 |
return ! errnum; |
| 1199 |
# endif |
| 1200 |
# else /* __PIC__ */ |
| 1181 |
auto int start_addr (void); |
1201 |
auto int start_addr (void); |
| 1182 |
auto int end_addr (void); |
1202 |
auto int end_addr (void); |
| 1183 |
|
1203 |
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Lines 1189-1195
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| 1189 |
# elif defined(HAVE_USCORE_START_SYMBOL) |
1209 |
# elif defined(HAVE_USCORE_START_SYMBOL) |
| 1190 |
asm volatile ("movl $_start, %0" : "=a" (ret)); |
1210 |
asm volatile ("movl $_start, %0" : "=a" (ret)); |
| 1191 |
# endif |
1211 |
# endif |
| 1192 |
return ret; |
1212 |
return ret; |
| 1193 |
} |
1213 |
} |
| 1194 |
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1214 |
|
| 1195 |
auto int end_addr (void) |
1215 |
auto int end_addr (void) |
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Lines 1205-1210
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| 1205 |
|
1225 |
|
| 1206 |
if (start_addr () <= addr && end_addr () > addr + len) |
1226 |
if (start_addr () <= addr && end_addr () > addr + len) |
| 1207 |
return ! errnum; |
1227 |
return ! errnum; |
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|
1228 |
# endif /* __PIC__ */ |
| 1208 |
#endif /* GRUB_UTIL */ |
1229 |
#endif /* GRUB_UTIL */ |
| 1209 |
|
1230 |
|
| 1210 |
if ((addr < RAW_ADDR (0x1000)) |
1231 |
if ((addr < RAW_ADDR (0x1000)) |
