Changeset 62ca560 in mainline

Timestamp:

2017-12-19T17:18:55Z (7 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

7565a4b

Parents:

74a2a2d

git-author:

Jiří Zárevúcky <zarevucky.jiri@…> (2017-12-19 16:25:21)

git-committer:

Jiří Zárevúcky <zarevucky.jiri@…> (2017-12-19 17:18:55)

Message:

Add str_error() and str_error_name() to kernel, and use it to print error codes.

Location:

kernel

Files:

• Makefile (modified) (1 diff)
• generic/include/str.h (modified) (2 diffs)
• generic/src/lib/str_error.c (added)
• generic/src/main/kinit.c (modified) (1 diff)
• generic/src/mm/backend_user.c (modified) (2 diffs)

kernel/Makefile

@@ -213 +213 @@
         generic/src/lib/gsort.c \
         generic/src/lib/str.c \
+        generic/src/lib/str_error.c \
         generic/src/lib/elf.c \
         generic/src/lib/ra.c \

kernel/generic/include/str.h

@@ -39 +39 @@
 #include <stddef.h>
 #include <stdint.h>
+#include <errno.h>
 
 /**< Common Unicode characters */
@@ -104 +105 @@
 extern void bin_order_suffix(const uint64_t, uint64_t *, const char **, bool);
 
+extern const char *str_error(errno_t err);
+extern const char *str_error_name(errno_t err);
+
 #endif
 

kernel/generic/src/main/kinit.c

@@ -290 +290 @@
                         log(LF_OTHER, LVL_ERROR,
                             "init[%zu]: Init binary load failed "
-                            "(error %d, loader status %u)", i, rc,
-                            programs[i].loader_status);
+                            "(error %s, loader status %u)", i,
+                            str_error_name(rc), programs[i].loader_status);
         }
         

kernel/generic/src/mm/backend_user.c

@@ -49 +49 @@
 #include <errno.h>
 #include <log.h>
+#include <str.h>
 
 static bool user_create(as_area_t *);
@@ -130 +131 @@
                 log(LF_USPACE, LVL_FATAL,
                     "Page-in request for page %#" PRIxPTR
-                    " at pager %d failed with error %d.",
-                    upage, pager_info->pager, rc);
+                    " at pager %d failed with error %s.",
+                    upage, pager_info->pager, str_error_name(rc));
                 return AS_PF_FAULT;
         }