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Fix debug output in the dynamic linker.

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This provides a mini-printf implementation that reduces the
size of the dynamic linker by 25 KB, by preventing the drag of
formatting-related routines from the C library.

Also allow traces to be sent to the log, instead of stdout.

NOTE: You now need to modify Android.mk to enable/disable debug
      output.
This commit is contained in:
David 'Digit' Turner
2010-01-20 12:36:51 -08:00
parent e100f52f4a
commit 5c734644ee
7 changed files with 809 additions and 15 deletions
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7
linker/linker.c
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@@ -48,6 +48,7 @@
#include "linker.h"
#include "linker_debug.h"
#include "linker_format.h"
#include "ba.h"
@@ -142,7 +143,7 @@ static char tmp_err_buf[768];
static char __linker_dl_err_buf[768];
#define DL_ERR(fmt, x...) \
do { \
snprintf(__linker_dl_err_buf, sizeof(__linker_dl_err_buf), \
format_buffer(__linker_dl_err_buf, sizeof(__linker_dl_err_buf), \
"%s[%d]: " fmt, __func__, __LINE__, ##x); \
ERROR(fmt "\n", ##x); \
} while(0)
@@ -584,7 +585,7 @@ static int open_library(const char *name)
return fd;
for (path = ldpaths; *path; path++) {
n = snprintf(buf, sizeof(buf), "%s/%s", *path, name);
n = format_buffer(buf, sizeof(buf), "%s/%s", *path, name);
if (n < 0 || n >= (int)sizeof(buf)) {
WARN("Ignoring very long library path: %s/%s\n", *path, name);
continue;
@@ -593,7 +594,7 @@ static int open_library(const char *name)
return fd;
}
for (path = sopaths; *path; path++) {
n = snprintf(buf, sizeof(buf), "%s/%s", *path, name);
n = format_buffer(buf, sizeof(buf), "%s/%s", *path, name);
if (n < 0 || n >= (int)sizeof(buf)) {
WARN("Ignoring very long library path: %s/%s\n", *path, name);
continue;