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authorJoakim Tjernlund <joakim.tjernlund@transmode.se>2004-08-19 09:34:11 +0000
committerJoakim Tjernlund <joakim.tjernlund@transmode.se>2004-08-19 09:34:11 +0000
commit85c39a6b662b54793e3acd2667522473e8815612 (patch)
tree608a7e44809d6119f467853e322e78fb43e37e44 /ldso
parent86eecc5c4007ef59b51911dcff41b77a393f45e1 (diff)
Remove poor man's malloc. Not needed anymore.
Diffstat (limited to 'ldso')
-rw-r--r--ldso/include/ldso.h3
-rw-r--r--ldso/ldso/dl-startup.c29
-rw-r--r--ldso/ldso/ldso.c11
3 files changed, 9 insertions, 34 deletions
diff --git a/ldso/include/ldso.h b/ldso/include/ldso.h
index f34fe17a9..3d36a2525 100644
--- a/ldso/include/ldso.h
+++ b/ldso/include/ldso.h
@@ -68,8 +68,7 @@ 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, unsigned long load_addr,
- Elf32_auxv_t auxvt[AT_EGID + 1], char **envp,
- unsigned char *malloc_buffer, unsigned char *mmap_zero, char **argv);
+ Elf32_auxv_t auxvt[AT_EGID + 1], char **envp, char **argv);
#endif /* _LDSO_H_ */
diff --git a/ldso/ldso/dl-startup.c b/ldso/ldso/dl-startup.c
index 88ca8bd8c..3ffbf3d34 100644
--- a/ldso/ldso/dl-startup.c
+++ b/ldso/ldso/dl-startup.c
@@ -90,14 +90,6 @@
#include "ldso.h"
-/* This is a poor man's malloc, used prior to resolving our internal poor man's malloc */
-#define LD_MALLOC(SIZE) ((void *) (malloc_buffer += SIZE, malloc_buffer - SIZE)) ; REALIGN();
-
-/* Make sure that the malloc buffer is aligned on 4 byte boundary. For 64 bit
- * platforms we may need to increase this to 8, but this is good enough for
- * now. This is typically called after LD_MALLOC. */
-#define REALIGN() malloc_buffer = (char *) (((unsigned long) malloc_buffer + 3) & ~(3))
-
/* Pull in all the arch specific stuff */
#include "dl-startup.h"
@@ -126,11 +118,10 @@ DL_BOOT(unsigned long args)
unsigned long *aux_dat;
int goof = 0;
ElfW(Ehdr) *header;
- struct elf_resolve *tpnt;
+ struct elf_resolve tpnt_tmp;
+ struct elf_resolve *tpnt = &tpnt_tmp;
Elf32_auxv_t auxvt[AT_EGID + 1];
- unsigned char *malloc_buffer, *mmap_zero;
Elf32_Dyn *dpnt;
- size_t pagesize;
int indx;
#if defined(__i386__)
int status = 0;
@@ -283,19 +274,6 @@ found_got:
SEND_STDERR("First Dynamic section entry=");
SEND_ADDRESS_STDERR(dpnt, 1);
#endif
-
-
- /* Call mmap to get a page of writable memory that can be used
- * for _dl_malloc throughout the shared lib loader. */
- pagesize = (auxvt[AT_PAGESZ].a_un.a_val)? auxvt[AT_PAGESZ].a_un.a_val : PAGE_SIZE;
- mmap_zero = malloc_buffer = _dl_mmap((void *) 0, pagesize,
- PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
- if (_dl_mmap_check_error(mmap_zero)) {
- SEND_STDERR("dl_boot: mmap of a spare page failed!\n");
- _dl_exit(13);
- }
-
- tpnt = LD_MALLOC(sizeof(struct elf_resolve));
_dl_memset(tpnt, 0, sizeof(struct elf_resolve));
/* OK, that was easy. Next scan the DYNAMIC section of the image.
@@ -425,8 +403,7 @@ found_got:
free to start using global variables, since these things have all been
fixed up by now. Still no function calls outside of this library ,
since the dynamic resolver is not yet ready. */
- _dl_get_ready_to_run(tpnt, load_addr, auxvt, envp,
- malloc_buffer, mmap_zero, argv);
+ _dl_get_ready_to_run(tpnt, load_addr, auxvt, envp, argv);
/* Transfer control to the application. */
diff --git a/ldso/ldso/ldso.c b/ldso/ldso/ldso.c
index ce15d0e2b..7fe1f3fb2 100644
--- a/ldso/ldso/ldso.c
+++ b/ldso/ldso/ldso.c
@@ -85,8 +85,7 @@ static void debug_fini (int status, void *arg)
#endif
void _dl_get_ready_to_run(struct elf_resolve *tpnt, unsigned long load_addr,
- Elf32_auxv_t auxvt[AT_EGID + 1], char **envp,
- unsigned char *malloc_buffer, unsigned char *mmap_zero, char **argv)
+ Elf32_auxv_t auxvt[AT_EGID + 1], char **envp, char **argv)
{
ElfW(Phdr) *ppnt;
Elf32_Dyn *dpnt;
@@ -109,14 +108,14 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, unsigned long load_addr,
SEND_STDERR("Cool, we managed to make a function call.\n");
#endif
+ /* Store the page size for later use */
+ _dl_pagesize = (auxvt[AT_PAGESZ].a_un.a_val)? auxvt[AT_PAGESZ].a_un.a_val : PAGE_SIZE;
/* Make it so _dl_malloc can use the page of memory we have already
* allocated. We shouldn't need to grab any more memory. This must
* be first since things like _dl_dprintf() use _dl_malloc().... */
- _dl_malloc_addr = malloc_buffer;
- _dl_mmap_zero = mmap_zero;
+ _dl_malloc_addr = (unsigned char *)_dl_pagesize;
+ _dl_mmap_zero = 0;
- /* Store the page size for later use */
- _dl_pagesize = (auxvt[AT_PAGESZ].a_un.a_val)? auxvt[AT_PAGESZ].a_un.a_val : PAGE_SIZE;
/* Now we have done the mandatory linking of some things. We are now
* free to start using global variables, since these things have all been