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authorMike Frysinger <vapier@gentoo.org>2005-07-07 23:41:49 +0000
committerMike Frysinger <vapier@gentoo.org>2005-07-07 23:41:49 +0000
commitab4c887b2e311baa1fdad13443d7db1c8ad27c7f (patch)
treecfc4ecff9505ec1ba56496fb9e1c3f391dab68f9
parent70265df9e46677235ca39aeb1e9d52b6f3ae406c (diff)
add debug code for showing argc/argv/envp and touch up some other debug output
-rw-r--r--ldso/ldso/dl-startup.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/ldso/ldso/dl-startup.c b/ldso/ldso/dl-startup.c
index 62237fe62..05871fc4a 100644
--- a/ldso/ldso/dl-startup.c
+++ b/ldso/ldso/dl-startup.c
@@ -101,14 +101,14 @@ static void* __rtld_stack_end; /* Points to argc on stack, e.g *((long *)__rtld_
strong_alias(__rtld_stack_end, __libc_stack_end); /* Exported version of __rtld_stack_end */
/* When we enter this piece of code, the program stack looks like this:
- argc argument counter (integer)
- argv[0] program name (pointer)
- argv[1...N] program args (pointers)
- argv[argc-1] end of args (integer)
- NULL
- env[0...N] environment variables (pointers)
- NULL
- auxvt[0...N] Auxiliary Vector Table elements (mixed types)
+ argc argument counter (integer)
+ argv[0] program name (pointer)
+ argv[1...N] program args (pointers)
+ argv[argc-1] end of args (integer)
+ NULL
+ env[0...N] environment variables (pointers)
+ NULL
+ auxvt[0...N] Auxiliary Vector Table elements (mixed types)
*/
static void * __attribute_used__ _dl_start(unsigned long args)
{
@@ -136,6 +136,12 @@ static void * __attribute_used__ _dl_start(unsigned long args)
aux_dat += argc; /* Skip over the argv pointers */
aux_dat++; /* Skip over NULL at end of argv */
envp = (char **) aux_dat;
+ SEND_STDERR_DEBUG("argc=");
+ SEND_NUMBER_STDERR(argc, 0);
+ SEND_STDERR_DEBUG(" argv=");
+ SEND_ADDRESS_STDERR_DEBUG(argv, 0);
+ SEND_STDERR_DEBUG(" envp=");
+ SEND_ADDRESS_STDERR_DEBUG(envp, 1);
while (*aux_dat)
aux_dat++; /* Skip over the envp pointers */
aux_dat++; /* Skip over NULL at end of envp */
@@ -180,7 +186,6 @@ static void * __attribute_used__ _dl_start(unsigned long args)
SEND_STDERR_DEBUG("ELF header=");
SEND_ADDRESS_STDERR_DEBUG(load_addr, 1);
-
/* Locate the global offset table. Since this code must be PIC
* we can take advantage of the magic offset register, if we
* happen to know what that is for this architecture. If not,
@@ -193,7 +198,7 @@ static void * __attribute_used__ _dl_start(unsigned long args)
tpnt->loadaddr = load_addr;
/* OK, that was easy. Next scan the DYNAMIC section of the image.
We are only doing ourself right now - we will have to do the rest later */
- SEND_STDERR_DEBUG("scanning DYNAMIC section\n");
+ SEND_STDERR_DEBUG("Scanning DYNAMIC section ... ");
tpnt->dynamic_addr = dpnt;
#if defined(__mips__) || defined(__cris__)
/* Some architectures cannot call functions here, must inline */
@@ -202,7 +207,7 @@ static void * __attribute_used__ _dl_start(unsigned long args)
_dl_parse_dynamic_info(dpnt, tpnt->dynamic_info, NULL, load_addr);
#endif
- SEND_STDERR_DEBUG("done scanning DYNAMIC section\n");
+ SEND_STDERR_DEBUG("DONE !\n");
#if defined(__mips__)