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-rw-r--r--print.c120
1 files changed, 56 insertions, 64 deletions
diff --git a/print.c b/print.c
index 8c572a8..ddd5a7c 100644
--- a/print.c
+++ b/print.c
@@ -13,48 +13,15 @@
#include <sched.h>
#include <time.h>
-#ifndef CLONE_NEWTIME
-# define CLONE_NEWTIME 0x00000080
+#if defined(__linux__)
+# ifndef CLONE_NEWTIME
+# define CLONE_NEWTIME 0x00000080
+# endif
#endif
-static char *
-get_escaped_string_or_null(pid_t pid, unsigned long int addr, size_t *lenp, const char **errorp)
-{
- char *r;
- if (!addr) {
- *errorp = "NULL";
- return NULL;
- }
- r = get_string(pid, addr, lenp, errorp);
- return escape_memory(r, *lenp);
-}
-
-static char *
-get_escaped_memory_or_null(pid_t pid, unsigned long int addr, size_t n, const char **errorp)
-{
- char *r;
- if (!addr) {
- *errorp = "NULL";
- return NULL;
- }
- r = get_memory(pid, addr, n, errorp);
- return escape_memory(r, n);
-}
-
-static int
-get_struct_or_null(pid_t pid, unsigned long int addr, void *out, size_t size, const char **errorp)
-{
- if (!addr) {
- *errorp = "NULL";
- return -1;
- }
- return get_struct(pid, addr, out, size, errorp);
-}
-
-
-
-#define CASE(N) if (proc->args[arg_index] == N) return tprintf(proc, "%s", #N)
+#define CASE(N)\
+ if (proc->args[arg_index] == N) return tprintf(proc, "%s", #N)
#define FLAGS_BEGIN\
do {\
@@ -146,7 +113,7 @@ print_timespec(struct process *proc, size_t arg_index)
{
struct timespec ts;
const char *err;
- if (get_struct_or_null(proc->pid, proc->args[arg_index], &ts, sizeof(ts), &err)) {
+ if (get_struct(proc->pid, proc->args[arg_index], &ts, sizeof(ts), &err)) {
tprintf(proc, "%s", err);
return;
}
@@ -270,7 +237,7 @@ print_int_pair(struct process *proc, size_t arg_index)
{
int pair[2];
const char *err;
- if (get_struct_or_null(proc->pid, proc->args[arg_index], pair, sizeof(pair), &err)) {
+ if (get_struct(proc->pid, proc->args[arg_index], pair, sizeof(pair), &err)) {
tprintf(proc, "%s", err);
return;
}
@@ -473,15 +440,26 @@ printf_systemcall(struct process *proc, const char *scall, const char *fmt, ...)
if (*fmt == 'p') {
p_fmt:
+ if (proc->ptr_is_int)
+ arg = (unsigned int)arg;
if (input) {
- if (get_struct_or_null(proc->pid, arg, &arg, sizeof(void *), &err)) {
- tprintf(proc, "%s", err);
- goto next;
+ if (proc->ptr_is_int) {
+ if (get_struct(proc->pid, arg, &arg, sizeof(int), &err)) {
+ tprintf(proc, "%s", err);
+ goto next;
+ }
+ arg = *(unsigned int *)&arg;
+ } else {
+ if (get_struct(proc->pid, arg, &arg, sizeof(long int), &err)) {
+ tprintf(proc, "%s", err);
+ goto next;
+ }
+ arg = *(unsigned long int *)&arg;
}
tprintf(proc, "&");
}
if (arg)
- tprintf(proc, "%p", (void *)arg);
+ tprintf(proc, "%#llu", arg);
else
tprintf(proc, "NULL");
} else if (*fmt >= '1' && *fmt <= '6') {
@@ -490,16 +468,16 @@ printf_systemcall(struct process *proc, const char *scall, const char *fmt, ...)
funcs[nfuncs++] = va_arg(ap, Function);
funcs[func - 1](proc, i);
} else if (*fmt == 's') {
- str = get_escaped_string_or_null(proc->pid, arg, &len, &err);
+ str = get_escaped_string(proc->pid, arg, &len, &err);
tprintf(proc, "%s", str ? str : err);
free(str);
} else if (*fmt == 'm') {
- str = get_escaped_memory_or_null(proc->pid, arg, (size_t)args[i + 1], &err);
+ str = get_escaped_memory(proc->pid, arg, (size_t)args[i + 1], &err);
tprintf(proc, "%s", str ? str : err);
free(str);
} else if (*fmt == 'F') {
if (input) {
- if (get_struct_or_null(proc->pid, arg, &arg, sizeof(int), &err)) {
+ if (get_struct(proc->pid, arg, &arg, sizeof(int), &err)) {
tprintf(proc, "%s", err);
goto next;
}
@@ -510,6 +488,8 @@ printf_systemcall(struct process *proc, const char *scall, const char *fmt, ...)
else
tprintf(proc, "%i", (int)arg);
} else {
+ if (ells == 1 && proc->long_is_int)
+ ells = 0;
if (ells == 1)
size = sizeof(long int);
else if (ells > 1)
@@ -521,7 +501,7 @@ printf_systemcall(struct process *proc, const char *scall, const char *fmt, ...)
else
size = sizeof(int);
if (input) {
- if (get_struct_or_null(proc->pid, arg, &arg, size, &err)) {
+ if (get_struct(proc->pid, arg, &arg, size, &err)) {
tprintf(proc, "%s", err);
goto next;
}
@@ -942,13 +922,13 @@ print_systemcall_exit(struct process *proc)
char *str, buf[32];
const char *err;
- if (proc->ret_type == Int)
+ if (proc->ret_type == Int || (proc->long_is_int && proc->ret_type == Long))
tprintf(proc, "= %i", (int)proc->ret);
- else if (proc->ret_type == UInt)
+ else if (proc->ret_type == UInt || (proc->long_is_int && proc->ret_type == ULong))
tprintf(proc, "= %u", (unsigned int)proc->ret);
- else if (proc->ret_type == OInt)
+ else if (proc->ret_type == OInt || (proc->long_is_int && proc->ret_type == OLong))
tprintf(proc, "= %#o", (unsigned int)proc->ret);
- else if (proc->ret_type == XInt)
+ else if (proc->ret_type == XInt || (proc->long_is_int && proc->ret_type == XLong))
tprintf(proc, "= %#x", (unsigned int)proc->ret);
else if (proc->ret_type == Long)
tprintf(proc, "= %li", (long int)proc->ret);
@@ -966,12 +946,14 @@ print_systemcall_exit(struct process *proc)
tprintf(proc, "= %#llo", (unsigned long long int)proc->ret);
else if (proc->ret_type == XLLong)
tprintf(proc, "= %#llx", (unsigned long long int)proc->ret);
+ else if (proc->ret_type == Ptr && (long long int)proc->ret >= 0 && proc->ptr_is_int)
+ tprintf(proc, "= %#u", (unsigned int)proc->ret);
else if (proc->ret_type == Ptr && (long long int)proc->ret >= 0)
- tprintf(proc, "= %p", (void *)proc->ret);
+ tprintf(proc, "= %#llu", proc->ret);
else
- tprintf(proc, "= %li", (long int)proc->ret);
+ tprintf(proc, "= %lli", (long long int)proc->ret);
- if ((unsigned long long int)proc->ret > -(unsigned long long int)PAGE_SIZE) {
+ if (RETURN_IS_ERROR(proc->ret)) {
tprintf(proc, " (%s: %s)", get_errno_name(-(int)proc->ret), strerror(-(int)proc->ret));
tprintf(proc, "\n");
@@ -984,17 +966,26 @@ print_systemcall_exit(struct process *proc)
switch (proc->outputs[i].fmt) {
case 'p':
- if (get_struct_or_null(proc->pid, proc->args[i], buf, sizeof(void *), &err))
- tprintf(proc, "%s\n", err);
- else if (*(void **)buf)
- tprintf(proc, "%p\n", *(void **)buf);
- else
- tprintf(proc, "NULL\n");
+ if (proc->ptr_is_int) {
+ if (get_struct(proc->pid, proc->args[i], buf, sizeof(int), &err))
+ tprintf(proc, "%s\n", err);
+ else if (*(unsigned int *)buf)
+ tprintf(proc, "%#u\n", *(unsigned int *)buf);
+ else
+ tprintf(proc, "NULL\n");
+ } else {
+ if (get_struct(proc->pid, proc->args[i], buf, sizeof(long int), &err))
+ tprintf(proc, "%s\n", err);
+ else if (*(unsigned long int *)buf)
+ tprintf(proc, "%#lu\n", *(unsigned long int *)buf);
+ else
+ tprintf(proc, "NULL\n");
+ }
break;
case 'm':
value = proc->args[i + 1] < proc->ret ? proc->args[i + 1] : proc->ret;
- str = get_escaped_memory_or_null(proc->pid, proc->args[i], (size_t)value, &err);
+ str = get_escaped_memory(proc->pid, proc->args[i], (size_t)value, &err);
tprintf(proc, "%s\n", str ? str : err);
free(str);
break;
@@ -1005,6 +996,7 @@ print_systemcall_exit(struct process *proc)
break;
default:
+ /* .ells is adjust for .long_is_int when set */
if (proc->outputs[i].ells == 1)
size = sizeof(unsigned long int);
else if (proc->outputs[i].ells > 1)
@@ -1015,7 +1007,7 @@ print_systemcall_exit(struct process *proc)
size = sizeof(unsigned char);
else
size = sizeof(unsigned int);
- if (get_struct_or_null(proc->pid, proc->args[i], buf, size, &err)) {
+ if (get_struct(proc->pid, proc->args[i], buf, size, &err)) {
tprintf(proc, "%s\n", err);
break;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-09-19 16:29:40 +0000