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authorMike Frysinger <vapier@gentoo.org>2006-07-05 19:17:19 +0000
committerMike Frysinger <vapier@gentoo.org>2006-07-05 19:17:19 +0000
commita60180c2655f71ba2f9ed3ab66d328f48d9ad772 (patch)
tree88821df1bfa057ace424461ae446e7bc8bb45997 /ldso/include
parentb536763f513920b64d73ead1bd7b083159866a85 (diff)
patch from Bernd Schmidt to abstract away load address types
Diffstat (limited to 'ldso/include')
-rw-r--r--ldso/include/dl-defs.h9
-rw-r--r--ldso/include/dl-elf.h6
-rw-r--r--ldso/include/dl-hash.h4
-rw-r--r--ldso/include/ldso.h4
4 files changed, 17 insertions, 6 deletions
diff --git a/ldso/include/dl-defs.h b/ldso/include/dl-defs.h
index 18f718bef..5cf260183 100644
--- a/ldso/include/dl-defs.h
+++ b/ldso/include/dl-defs.h
@@ -66,6 +66,15 @@ typedef struct {
#endif
+/* Machines in which different sections may be relocated by different
+ * amounts should define this and LD_RELOC_ADDR. If you change this,
+ * make sure you change struct link_map in include/link.h accordingly
+ * such that it matches a prefix of struct elf_resolve.
+ */
+#ifndef DL_LOADADDR_TYPE
+# define DL_LOADADDR_TYPE ElfW(Addr)
+#endif
+
/* Initialize a LOADADDR representing the loader itself. It's only
* called from DL_BOOT, so additional arguments passed to it may be
* referenced.
diff --git a/ldso/include/dl-elf.h b/ldso/include/dl-elf.h
index de404aec1..7b609d592 100644
--- a/ldso/include/dl-elf.h
+++ b/ldso/include/dl-elf.h
@@ -94,10 +94,12 @@ extern void _dl_protect_relro (struct elf_resolve *l);
#define DYNAMIC_SIZE (DT_NUM+OS_NUM+ARCH_NUM)
-extern void _dl_parse_dynamic_info(ElfW(Dyn) *dpnt, unsigned long dynamic_info[], void *debug_addr, ElfW(Addr) load_off);
+extern void _dl_parse_dynamic_info(ElfW(Dyn) *dpnt, unsigned long dynamic_info[],
+ void *debug_addr, DL_LOADADDR_TYPE load_off);
static __always_inline
-void __dl_parse_dynamic_info(ElfW(Dyn) *dpnt, unsigned long dynamic_info[], void *debug_addr, ElfW(Addr) load_off)
+void __dl_parse_dynamic_info(ElfW(Dyn) *dpnt, unsigned long dynamic_info[],
+ void *debug_addr, DL_LOADADDR_TYPE load_off)
{
for (; dpnt->d_tag; dpnt++) {
if (dpnt->d_tag < DT_NUM) {
diff --git a/ldso/include/dl-hash.h b/ldso/include/dl-hash.h
index ad5c16318..8f30688d1 100644
--- a/ldso/include/dl-hash.h
+++ b/ldso/include/dl-hash.h
@@ -28,7 +28,7 @@ struct dyn_elf {
struct elf_resolve {
/* These entries must be in this order to be compatible with the interface used
by gdb to obtain the list of symbols. */
- ElfW(Addr) loadaddr; /* Base address shared object is loaded at. */
+ DL_LOADADDR_TYPE loadaddr; /* Base address shared object is loaded at. */
char *libname; /* Absolute file name object was found in. */
ElfW(Dyn) *dynamic_addr; /* Dynamic section of the shared object. */
struct elf_resolve * next;
@@ -77,7 +77,7 @@ extern struct elf_resolve * _dl_loaded_modules;
extern struct dyn_elf * _dl_handles;
extern struct elf_resolve * _dl_add_elf_hash_table(const char * libname,
- ElfW(Addr) loadaddr, unsigned long * dynamic_info,
+ DL_LOADADDR_TYPE loadaddr, unsigned long * dynamic_info,
unsigned long dynamic_addr, unsigned long dynamic_size);
extern char * _dl_find_hash(const char * name, struct dyn_elf * rpnt1,
diff --git a/ldso/include/ldso.h b/ldso/include/ldso.h
index 6b1e9cb4e..47b2fb513 100644
--- a/ldso/include/ldso.h
+++ b/ldso/include/ldso.h
@@ -88,7 +88,7 @@ extern void _dl_unsetenv(const char *symbol, char **envp);
extern char *_dl_strdup(const char *string);
extern void _dl_dprintf(int, const char *, ...);
-extern void _dl_get_ready_to_run(struct elf_resolve *tpnt, ElfW(Addr) load_addr,
- ElfW(auxv_t) auxvt[AT_EGID + 1], char **envp, char **argv);
+extern void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr,
+ ElfW(auxv_t) auxvt[AT_EGID + 1], char **envp, char **argv);
#endif /* _LDSO_H_ */