aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--ChangeLog9
-rw-r--r--README4
-rw-r--r--breakpoints.c52
-rw-r--r--debug.c4
-rw-r--r--debug.h2
-rw-r--r--display_args.c258
-rw-r--r--elf.c64
-rw-r--r--elf.h6
-rw-r--r--etc/ltrace.conf2
-rw-r--r--ltrace.c12
-rw-r--r--ltrace.h7
-rw-r--r--output.c21
-rw-r--r--process_event.c45
-rw-r--r--read_config_file.c622
-rw-r--r--sysdeps/linux-gnu/alpha/trace.c4
-rw-r--r--sysdeps/linux-gnu/arm/trace.c4
-rw-r--r--sysdeps/linux-gnu/i386/trace.c4
-rw-r--r--sysdeps/linux-gnu/ia64/trace.c3
-rw-r--r--sysdeps/linux-gnu/m68k/trace.c4
-rw-r--r--sysdeps/linux-gnu/mipsel/trace.c2
-rw-r--r--sysdeps/linux-gnu/ppc/trace.c4
-rw-r--r--sysdeps/linux-gnu/s390/trace.c3
-rw-r--r--sysdeps/linux-gnu/sparc/trace.c4
-rw-r--r--sysdeps/linux-gnu/x86_64/trace.c4
-rw-r--r--wait_for_something.c2
25 files changed, 549 insertions, 597 deletions
diff --git a/ChangeLog b/ChangeLog
index 5a1d230..512a43a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,8 +1,15 @@
+2007-09-04 Juan Cespedes <cespedes@debian.org>
+
+ * ltrace.h: Take arg_num out of arg_type_info
+ * linux-gnu/*/trace.c: gimme_arg(): Add arg_num as argument
+ * ltrace.c: check for existence of $HOME before using it
+ * General: Small fixes (indentation)
+
2007-08-31 Juan Cespedes <cespedes@debian.org>
* General: Small fixes (indentation, typos, clean-up of code)
* ltrace.c: Close output file on exit
- * ltrace.c: use getenf("HOME") instead of getpwuid(geteuid())->pw_dir
+ * ltrace.c: use getenv("HOME") instead of getpwuid(geteuid())->pw_dir
* read_config_file.c, display_args.c: remove "ignore" argtype;
that's what "void" is for
* packaging/debian/: misc fixes, sync with version 0.5-2
diff --git a/README b/README
index f67e2b9..0107dbb 100644
--- a/README
+++ b/README
@@ -2,7 +2,7 @@
A Dynamic Library Tracer
- Copyright 1997-2006 Juan Cespedes <cespedes@debian.org>
+ Copyright 1997-2007 Juan Cespedes <cespedes@debian.org>
Contents
@@ -65,7 +65,7 @@ This file is very incomplete and out-of-date.
6. License
----------
- Copyright (C) 1997-2006 Juan Cespedes <cespedes@debian.org>
+ Copyright (C) 1997-2007 Juan Cespedes <cespedes@debian.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/breakpoints.c b/breakpoints.c
index 952acd3..18de1e2 100644
--- a/breakpoints.c
+++ b/breakpoints.c
@@ -100,32 +100,32 @@ void enable_all_breakpoints(struct process *proc)
proc);
}
#ifdef __mips__
- {
- // I'm sure there is a nicer way to do this. We need to
- // insert breakpoints _after_ the child has been started.
- struct library_symbol *sym;
- struct library_symbol *new_sym;
- sym=proc->list_of_symbols;
- while(sym){
- void *addr= sym2addr(proc,sym);
- if(!addr){
- sym=sym->next;
- continue;
- }
- if(dict_find_entry(proc->breakpoints,addr)){
- sym=sym->next;
- continue;
- }
- debug(2,"inserting bp %p %s",addr,sym->name);
- new_sym=malloc(sizeof(*new_sym));
- memcpy(new_sym,sym,sizeof(*new_sym));
- new_sym->next=proc->list_of_symbols;
- proc->list_of_symbols=new_sym;
- new_sym->brkpnt=0;
- insert_breakpoint(proc, addr, new_sym);
- sym=sym->next;
- }
- }
+ {
+ // I'm sure there is a nicer way to do this. We need to
+ // insert breakpoints _after_ the child has been started.
+ struct library_symbol *sym;
+ struct library_symbol *new_sym;
+ sym=proc->list_of_symbols;
+ while(sym){
+ void *addr= sym2addr(proc,sym);
+ if(!addr){
+ sym=sym->next;
+ continue;
+ }
+ if(dict_find_entry(proc->breakpoints,addr)){
+ sym=sym->next;
+ continue;
+ }
+ debug(2,"inserting bp %p %s",addr,sym->name);
+ new_sym=malloc(sizeof(*new_sym));
+ memcpy(new_sym,sym,sizeof(*new_sym));
+ new_sym->next=proc->list_of_symbols;
+ proc->list_of_symbols=new_sym;
+ new_sym->brkpnt=0;
+ insert_breakpoint(proc, addr, new_sym);
+ sym=sym->next;
+ }
+ }
#endif
}
proc->breakpoints_enabled = 1;
diff --git a/debug.c b/debug.c
index 59827d0..32fb40f 100644
--- a/debug.c
+++ b/debug.c
@@ -6,8 +6,8 @@
#include "output.h"
void
-debug_(int level, const char *file, int line, const char *func, const char *fmt,
- ...)
+debug_(int level, const char *file, int line, const char *func,
+ const char *fmt, ...)
{
char buf[1024];
va_list args;
diff --git a/debug.h b/debug.h
index 2e36f03..e3749ff 100644
--- a/debug.h
+++ b/debug.h
@@ -1,7 +1,7 @@
#include <features.h>
void debug_(int level, const char *file, int line, const char *func,
- const char *fmt, ...) __attribute__((format(printf,5,6)));
+ const char *fmt, ...) __attribute__((format(printf,5,6)));
int xinfdump(long, void *, int);
diff --git a/display_args.c b/display_args.c
index bd050e7..92f3e7d 100644
--- a/display_args.c
+++ b/display_args.c
@@ -26,29 +26,28 @@ static int array_maxlength = INT_MAX;
static long get_length(enum tof type, struct process *proc, int len_spec,
void *st, arg_type_info* st_info)
{
- long len;
- arg_type_info info;
+ long len;
+ arg_type_info info;
- if (len_spec > 0)
- return len_spec;
- if (type == LT_TOF_STRUCT) {
- umovelong(proc, st + st_info->u.struct_info.offset[-len_spec-1], &len);
- return len;
- }
+ if (len_spec > 0)
+ return len_spec;
+ if (type == LT_TOF_STRUCT) {
+ umovelong(proc, st + st_info->u.struct_info.offset[-len_spec-1], &len);
+ return len;
+ }
- info.arg_num = -len_spec - 1;
- info.type = ARGTYPE_INT;
- return gimme_arg(type, proc, &info);
+ info.type = ARGTYPE_INT;
+ return gimme_arg(type, proc, -len_spec-1, &info);
}
static int display_ptrto(enum tof type, struct process *proc, long item,
arg_type_info * info,
void *st, arg_type_info* st_info)
{
- arg_type_info temp;
- temp.type = ARGTYPE_POINTER;
- temp.u.ptr_info.info = info;
- return display_value(type, proc, item, &temp, st, st_info);
+ arg_type_info temp;
+ temp.type = ARGTYPE_POINTER;
+ temp.u.ptr_info.info = info;
+ return display_value(type, proc, item, &temp, st, st_info);
}
/*
@@ -63,97 +62,97 @@ static int display_arrayptr(enum tof type, struct process *proc,
void *addr, arg_type_info * info,
void *st, arg_type_info* st_info)
{
- int len = 0;
- int i;
- int array_len;
-
- if (addr == NULL)
- return fprintf(output, "NULL");
-
- array_len = get_length(type, proc, info->u.array_info.len_spec,
- st, st_info);
- len += fprintf(output, "[ ");
- for (i = 0; i < opt_A && i < array_maxlength && i < array_len; i++) {
- arg_type_info *elt_type = info->u.array_info.elt_type;
- size_t elt_size = info->u.array_info.elt_size;
- if (i != 0)
- len += fprintf(output, ", ");
- if (opt_d)
- len += fprintf(output, "%p=", addr);
- len +=
- display_ptrto(type, proc, (long) addr, elt_type, st, st_info);
- addr += elt_size;
- }
- if (i < array_len)
- len += fprintf(output, "...");
- len += fprintf(output, " ]");
- return len;
+ int len = 0;
+ int i;
+ int array_len;
+
+ if (addr == NULL)
+ return fprintf(output, "NULL");
+
+ array_len = get_length(type, proc, info->u.array_info.len_spec,
+ st, st_info);
+ len += fprintf(output, "[ ");
+ for (i = 0; i < opt_A && i < array_maxlength && i < array_len; i++) {
+ arg_type_info *elt_type = info->u.array_info.elt_type;
+ size_t elt_size = info->u.array_info.elt_size;
+ if (i != 0)
+ len += fprintf(output, ", ");
+ if (opt_d)
+ len += fprintf(output, "%p=", addr);
+ len +=
+ display_ptrto(type, proc, (long) addr, elt_type, st, st_info);
+ addr += elt_size;
+ }
+ if (i < array_len)
+ len += fprintf(output, "...");
+ len += fprintf(output, " ]");
+ return len;
}
-
+
/* addr - A pointer to the beginning of the memory region occupied by
* the struct (aka a pointer to the struct)
*/
static int display_structptr(enum tof type, struct process *proc,
void *addr, arg_type_info * info)
{
- int i;
- arg_type_info *field;
- int len = 0;
-
- if (addr == NULL)
- return fprintf(output, "NULL");
-
- len += fprintf(output, "{ ");
- for (i = 0; (field = info->u.struct_info.fields[i]) != NULL; i++) {
- if (i != 0)
- len += fprintf(output, ", ");
- if (opt_d)
- len +=
- fprintf(output, "%p=",
- addr + info->u.struct_info.offset[i]);
- len +=
- display_ptrto(LT_TOF_STRUCT, proc,
- (long) addr + info->u.struct_info.offset[i],
- field, addr, info);
- }
- len += fprintf(output, " }");
-
- return len;
+ int i;
+ arg_type_info *field;
+ int len = 0;
+
+ if (addr == NULL)
+ return fprintf(output, "NULL");
+
+ len += fprintf(output, "{ ");
+ for (i = 0; (field = info->u.struct_info.fields[i]) != NULL; i++) {
+ if (i != 0)
+ len += fprintf(output, ", ");
+ if (opt_d)
+ len +=
+ fprintf(output, "%p=",
+ addr + info->u.struct_info.offset[i]);
+ len +=
+ display_ptrto(LT_TOF_STRUCT, proc,
+ (long) addr + info->u.struct_info.offset[i],
+ field, addr, info);
+ }
+ len += fprintf(output, " }");
+
+ return len;
}
static int display_pointer(enum tof type, struct process *proc, long value,
arg_type_info * info,
void *st, arg_type_info* st_info)
{
- long pointed_to;
- arg_type_info *inner = info->u.ptr_info.info;
+ long pointed_to;
+ arg_type_info *inner = info->u.ptr_info.info;
- if (inner->type == ARGTYPE_ARRAY) {
- return display_arrayptr(type, proc, (void*) value, inner,
+ if (inner->type == ARGTYPE_ARRAY) {
+ return display_arrayptr(type, proc, (void*) value, inner,
st, st_info);
- } else if (inner->type == ARGTYPE_STRUCT) {
- return display_structptr(type, proc, (void *) value, inner);
- } else {
- if (value == 0)
- return fprintf(output, "NULL");
- else if (umovelong(proc, (void *) value, &pointed_to) < 0)
- return fprintf(output, "?");
- else
- return display_value(type, proc, pointed_to, inner,
- st, st_info);
- }
+ } else if (inner->type == ARGTYPE_STRUCT) {
+ return display_structptr(type, proc, (void *) value, inner);
+ } else {
+ if (value == 0)
+ return fprintf(output, "NULL");
+ else if (umovelong(proc, (void *) value, &pointed_to) < 0)
+ return fprintf(output, "?");
+ else
+ return display_value(type, proc, pointed_to, inner,
+ st, st_info);
+ }
}
static int display_enum(enum tof type, struct process *proc,
- arg_type_info* info, long value)
+ arg_type_info* info, long value)
{
- int ii;
- for (ii = 0; ii < info->u.enum_info.entries; ++ii) {
- if (info->u.enum_info.values[ii] == value)
- return fprintf(output, "%s", info->u.enum_info.keys[ii]);
- }
+ int ii;
+ for (ii = 0; ii < info->u.enum_info.entries; ++ii) {
+ if (info->u.enum_info.values[ii] == value)
+ return fprintf(output, "%s", info->u.enum_info.keys[ii]);
+ }
- return display_unknown(type, proc, value);
+ return display_unknown(type, proc, value);
}
/* Args:
@@ -168,8 +167,8 @@ static int display_enum(enum tof type, struct process *proc,
strings whose length is given by another structure element.
*/
int display_value(enum tof type, struct process *proc,
- long value, arg_type_info *info,
- void *st, arg_type_info* st_info)
+ long value, arg_type_info *info,
+ void *st, arg_type_info* st_info)
{
int tmp;
@@ -228,31 +227,31 @@ int display_value(enum tof type, struct process *proc,
info->u.string_n_info.size_spec, st, st_info));
case ARGTYPE_ARRAY:
return fprintf(output, "<array without address>");
- case ARGTYPE_ENUM:
+ case ARGTYPE_ENUM:
return display_enum(type, proc, info, value);
case ARGTYPE_STRUCT:
return fprintf(output, "<struct without address>");
case ARGTYPE_POINTER:
return display_pointer(type, proc, value, info,
st, st_info);
- case ARGTYPE_UNKNOWN:
+ case ARGTYPE_UNKNOWN:
default:
return display_unknown(type, proc, value);
}
}
-int display_arg(enum tof type, struct process *proc, arg_type_info * info)
+int display_arg(enum tof type, struct process *proc, int arg_num, arg_type_info * info)
{
- long arg;
-
- if (info->type == ARGTYPE_VOID) {
- return 0;
- } else if (info->type == ARGTYPE_FORMAT) {
- return display_format(type, proc, info->arg_num);
- } else {
- arg = gimme_arg(type, proc, info);
- return display_value(type, proc, arg, info, NULL, NULL);
- }
+ long arg;
+
+ if (info->type == ARGTYPE_VOID) {
+ return 0;
+ } else if (info->type == ARGTYPE_FORMAT) {
+ return display_format(type, proc, arg_num);
+ } else {
+ arg = gimme_arg(type, proc, arg_num, info);
+ return display_value(type, proc, arg, info, NULL, NULL);
+ }
}
static int display_char(int what)
@@ -335,9 +334,8 @@ static int display_format(enum tof type, struct process *proc, int arg_num)
int len = 0;
arg_type_info info;
- info.arg_num = arg_num;
info.type = ARGTYPE_POINTER;
- addr = (void *)gimme_arg(type, proc, &info);
+ addr = (void *)gimme_arg(type, proc, arg_num, &info);
if (!addr) {
return fprintf(output, "NULL");
}
@@ -380,68 +378,48 @@ static int display_format(enum tof type, struct process *proc, int arg_num)
break;
}
} else if (c == 'd' || c == 'i') {
- info.arg_num = ++arg_num;
info.type = ARGTYPE_LONG;
if (!is_long || proc->mask_32bit)
len +=
fprintf(output, ", %d",
- (int)gimme_arg(type,
- proc,
- &info));
+ (int)gimme_arg(type, proc, ++arg_num, &info));
else
len +=
fprintf(output, ", %ld",
- gimme_arg(type,
- proc,
- &info));
+ gimme_arg(type, proc, ++arg_num, &info));
break;
} else if (c == 'u') {
- info.arg_num = ++arg_num;
info.type = ARGTYPE_LONG;
if (!is_long || proc->mask_32bit)
len +=
fprintf(output, ", %u",
- (int)gimme_arg(type,
- proc,
- &info));
+ (int)gimme_arg(type, proc, ++arg_num, &info));
else
len +=
fprintf(output, ", %lu",
- gimme_arg(type,
- proc,
- &info));
+ gimme_arg(type, proc, ++arg_num, &info));
break;
} else if (c == 'o') {
- info.arg_num = ++arg_num;
info.type = ARGTYPE_LONG;
if (!is_long || proc->mask_32bit)
len +=
fprintf(output, ", 0%o",
- (int)gimme_arg(type,
- proc,
- &info));
+ (int)gimme_arg(type, proc, ++arg_num, &info));
else
len +=
fprintf(output, ", 0%lo",
- gimme_arg(type,
- proc,
- &info));
+ gimme_arg(type, proc, ++arg_num, &info));
break;
} else if (c == 'x' || c == 'X') {
- info.arg_num = ++arg_num;
info.type = ARGTYPE_LONG;
if (!is_long || proc->mask_32bit)
len +=
fprintf(output, ", %#x",
- (int)gimme_arg(type,
- proc,
- &info));
+ (int)gimme_arg(type, proc, ++arg_num, &info));
else
len +=
fprintf(output, ", %#lx",
- gimme_arg(type,
- proc,
- &info));
+ gimme_arg(type, proc, ++arg_num, &info));
break;
} else if (strchr("eEfFgGaACS", c)
|| (is_long
@@ -450,42 +428,32 @@ static int display_format(enum tof type, struct process *proc, int arg_num)
str1[i + 1] = '\0';
break;
} else if (c == 'c') {
- info.arg_num = ++arg_num;
info.type = ARGTYPE_LONG;
len += fprintf(output, ", '");
len +=
display_char((int)
- gimme_arg(type, proc,
- &info));
+ gimme_arg(type, proc, ++arg_num, &info));
len += fprintf(output, "'");
break;
} else if (c == 's') {
- info.arg_num = ++arg_num;
info.type = ARGTYPE_POINTER;
len += fprintf(output, ", ");
len +=
display_string(type, proc,
- (void *)gimme_arg(type,
- proc,
- &info),
+ (void *)gimme_arg(type, proc, ++arg_num, &info),
string_maxlength);
break;
} else if (c == 'p' || c == 'n') {
- info.arg_num = ++arg_num;
info.type = ARGTYPE_POINTER;
len +=
fprintf(output, ", %p",
- (void *)gimme_arg(type,
- proc,
- &info));
+ (void *)gimme_arg(type, proc, ++arg_num, &info));
break;
} else if (c == '*') {
- info.arg_num = ++arg_num;
info.type = ARGTYPE_LONG;
len +=
fprintf(output, ", %d",
- (int)gimme_arg(type, proc,
- &info));
+ (int)gimme_arg(type, proc, ++arg_num, &info));
}
}
}
diff --git a/elf.c b/elf.c
index e9c93fd..7185623 100644
--- a/elf.c
+++ b/elf.c
@@ -176,15 +176,15 @@ static void do_init_elf(struct ltelf *lte, const char *filename)
table.
*/
- if(dyn.d_tag==DT_PLTGOT){
- lte->pltgot_addr=dyn.d_un.d_ptr;
- }
- if(dyn.d_tag==DT_MIPS_LOCAL_GOTNO){
- lte->mips_local_gotno=dyn.d_un.d_val;
- }
- if(dyn.d_tag==DT_MIPS_GOTSYM){
- lte->mips_gotsym=dyn.d_un.d_val;
- }
+ if(dyn.d_tag==DT_PLTGOT){
+ lte->pltgot_addr=dyn.d_un.d_ptr;
+ }
+ if(dyn.d_tag==DT_MIPS_LOCAL_GOTNO){
+ lte->mips_local_gotno=dyn.d_un.d_val;
+ }
+ if(dyn.d_tag==DT_MIPS_GOTSYM){
+ lte->mips_gotsym=dyn.d_un.d_val;
+ }
#endif // __mips__
if (dyn.d_tag == DT_JMPREL)
relplt_addr = dyn.d_un.d_ptr;
@@ -469,28 +469,28 @@ struct library_symbol *read_elf(struct process *proc)
for (i = 0; i < library_num; ++i)
do_init_elf(&lte[i + 1], library[i]);
#ifdef __mips__
- // MIPS doesn't use the PLT and the GOT entries get changed
- // on startup.
- proc->need_to_reinitialize_breakpoints = 1;
- for(i=lte->mips_gotsym; i<lte->dynsym_count;i++){
- GElf_Sym sym;
- const char *name;
- GElf_Addr addr = arch_plt_sym_val(lte, i, 0);
- if (gelf_getsym(lte->dynsym, i, &sym) == NULL){
- error(EXIT_FAILURE, 0,
- "Couldn't get relocation from \"%s\"",
- proc->filename);
- }
- name=lte->dynstr+sym.st_name;
- if(ELF64_ST_TYPE(sym.st_info) != STT_FUNC){
- debug(2,"sym %s not a function",name);
- continue;
- }
- add_library_symbol(addr, name, &library_symbols, 0,
- ELF64_ST_BIND(sym.st_info) != 0);
- if (!lib_tail)
- lib_tail = &(library_symbols->next);
- }
+ // MIPS doesn't use the PLT and the GOT entries get changed
+ // on startup.
+ proc->need_to_reinitialize_breakpoints = 1;
+ for(i=lte->mips_gotsym; i<lte->dynsym_count;i++){
+ GElf_Sym sym;
+ const char *name;
+ GElf_Addr addr = arch_plt_sym_val(lte, i, 0);
+ if (gelf_getsym(lte->dynsym, i, &sym) == NULL){
+ error(EXIT_FAILURE, 0,
+ "Couldn't get relocation from \"%s\"",
+ proc->filename);
+ }
+ name=lte->dynstr+sym.st_name;
+ if(ELF64_ST_TYPE(sym.st_info) != STT_FUNC){
+ debug(2,"sym %s not a function",name);
+ continue;
+ }
+ add_library_symbol(addr, name, &library_symbols, 0,
+ ELF64_ST_BIND(sym.st_info) != 0);
+ if (!lib_tail)
+ lib_tail = &(library_symbols->next);
+ }
#else
for (i = 0; i < lte->relplt_count; ++i) {
GElf_Rel rel;
@@ -538,7 +538,7 @@ struct library_symbol *read_elf(struct process *proc)
if (proc->need_to_reinitialize_breakpoints) {
/* Add "PLTs_initialized_by_here" to opt_x list, if not
- already there. */
+ already there. */
main_cheat = (struct opt_x_t *)malloc(sizeof(struct opt_x_t));
if (main_cheat == NULL)
error(EXIT_FAILURE, 0, "Couldn't allocate memory");
diff --git a/elf.h b/elf.h
index 0def041..27204ac 100644
--- a/elf.h
+++ b/elf.h
@@ -27,9 +27,9 @@ struct ltelf {
int hash_type;
int lte_flags;
#ifdef __mips__
- size_t pltgot_addr;
- size_t mips_local_gotno;
- size_t mips_gotsym;
+ size_t pltgot_addr;
+ size_t mips_local_gotno;
+ size_t mips_gotsym;
#endif // __mips__
};
diff --git a/etc/ltrace.conf b/etc/ltrace.conf
index 96dc807..ed4fc5a 100644
--- a/etc/ltrace.conf
+++ b/etc/ltrace.conf
@@ -97,7 +97,7 @@
; arpa/inet.h
int inet_aton(string,addr);
-string inet_ntoa(addr); ; It isn't a ADDR but an hexa number...
+string inet_ntoa(addr); ; It isn't an ADDR but an hexa number...
addr inet_addr(string);
; bfd.h
diff --git a/ltrace.c b/ltrace.c
index 3c7d661..3a5f9aa 100644
--- a/ltrace.c
+++ b/ltrace.c
@@ -118,11 +118,13 @@ int main(int argc, char **argv)
if (opt_F->filename[0] == '~') {
char path[PATH_MAX];
char *home_dir = getenv("HOME");
- strncpy(path, home_dir, PATH_MAX - 1);
- path[PATH_MAX - 1] = '\0';
- strncat(path, opt_F->filename + 1,
- PATH_MAX - strlen(path) - 1);
- read_config_file(path);
+ if (home_dir) {
+ strncpy(path, home_dir, PATH_MAX - 1);
+ path[PATH_MAX - 1] = '\0';
+ strncat(path, opt_F->filename + 1,
+ PATH_MAX - strlen(path) - 1);
+ read_config_file(path);
+ }
} else {
read_config_file(opt_F->filename);
}
diff --git a/ltrace.h b/ltrace.h
index 5763645..c7fcca0 100644
--- a/ltrace.h
+++ b/ltrace.h
@@ -55,7 +55,6 @@ enum arg_type {
typedef struct arg_type_info_t {
enum arg_type type;
- int arg_num;
union {
// ARGTYPE_ENUM
struct {
@@ -106,7 +105,7 @@ enum tof {
LT_TOF_FUNCTIONR, /* Return from a real library function */
LT_TOF_SYSCALL, /* A syscall */
LT_TOF_SYSCALLR, /* Return from a syscall */
- LT_TOF_STRUCT /* Not a function; read args from struct */
+ LT_TOF_STRUCT /* Not a function; read args from struct */
};
struct function {
@@ -211,7 +210,7 @@ extern void *instruction_pointer;
extern struct event *wait_for_something(void);
extern void process_event(struct event *event);
extern void execute_program(struct process *, char **);
-extern int display_arg(enum tof type, struct process *proc, arg_type_info *info);
+extern int display_arg(enum tof type, struct process *proc, int arg_num, arg_type_info *info);
extern struct breakpoint *address2bpstruct(struct process *proc, void *addr);
extern void breakpoints_init(struct process *proc);
extern void insert_breakpoint(struct process *proc, void *addr,
@@ -248,7 +247,7 @@ extern void continue_after_signal(pid_t pid, int signum);
extern void continue_after_breakpoint(struct process *proc,
struct breakpoint *sbp);
extern void continue_enabling_breakpoint(pid_t pid, struct breakpoint *sbp);
-extern long gimme_arg(enum tof type, struct process *proc, arg_type_info *);
+extern long gimme_arg(enum tof type, struct process *proc, int arg_num, arg_type_info *info);
extern void save_register_args(enum tof type, struct process *proc);
extern int umovestr(struct process *proc, void *addr, int len, void *laddr);
extern int umovelong(struct process *proc, void *addr, long *result);
diff --git a/output.c b/output.c
index f30c9fe..cb37ce6 100644
--- a/output.c
+++ b/output.c
@@ -191,26 +191,23 @@ void output_left(enum tof type, struct process *proc, char *function_name)
func = name2func(function_name);
if (!func) {
int i;
- arg_type_info info = *arg_unknown;
for (i = 0; i < 4; i++) {
- info.arg_num = i;
current_column +=
- display_arg(type, proc, &info);
+ display_arg(type, proc, i, arg_unknown);
current_column += fprintf(output, ", ");
}
- info.arg_num = 4;
- current_column += display_arg(type, proc, &info);
+ current_column += display_arg(type, proc, 4, arg_unknown);
return;
} else {
int i;
for (i = 0; i < func->num_params - func->params_right - 1; i++) {
current_column +=
- display_arg(type, proc, func->arg_info[i]);
+ display_arg(type, proc, i, func->arg_info[i]);
current_column += fprintf(output, ", ");
}
if (func->num_params > func->params_right) {
current_column +=
- display_arg(type, proc, func->arg_info[i]);
+ display_arg(type, proc, i, func->arg_info[i]);
if (func->params_right) {
current_column += fprintf(output, ", ");
}
@@ -279,23 +276,21 @@ void output_right(enum tof type, struct process *proc, char *function_name)
}
if (!func) {
- arg_type_info info = *arg_unknown;
current_column += fprintf(output, ") ");
tabto(opt_a - 1);
fprintf(output, "= ");
- info.arg_num = -1;
- display_arg(type, proc, &info);
+ display_arg(type, proc, -1, arg_unknown);
} else {
int i;
for (i = func->num_params - func->params_right;
i < func->num_params - 1; i++) {
current_column +=
- display_arg(type, proc, func->arg_info[i]);
+ display_arg(type, proc, i, func->arg_info[i]);
current_column += fprintf(output, ", ");
}
if (func->params_right) {
current_column +=
- display_arg(type, proc, func->arg_info[i]);
+ display_arg(type, proc, i, func->arg_info[i]);
}
current_column += fprintf(output, ") ");
tabto(opt_a - 1);
@@ -303,7 +298,7 @@ void output_right(enum tof type, struct process *proc, char *function_name)
if (func->return_info->type == ARGTYPE_VOID) {
fprintf(output, "<void>");
} else {
- display_arg(type, proc, func->return_info);
+ display_arg(type, proc, -1, func->return_info);
}
}
if (opt_T) {
diff --git a/process_event.c b/process_event.c
index c770647..419eb9c 100644
--- a/process_event.c
+++ b/process_event.c
@@ -225,10 +225,9 @@ static void process_sysret(struct event *event)
if (fork_p(event->proc, event->e_un.sysnum)) {
if (opt_f) {
arg_type_info info;
- info.arg_num = -1; /* Return value */
info.type = ARGTYPE_LONG;
pid_t child =
- gimme_arg(LT_TOF_SYSCALLR, event->proc, &info);
+ gimme_arg(LT_TOF_SYSCALLR, event->proc, -1, &info);
if (child > 0) {
open_pid(child, 0);
}
@@ -253,10 +252,10 @@ static void process_breakpoint(struct event *event)
#ifdef __powerpc__
struct breakpoint *nxtbp;
char nop_inst[] = PPC_NOP;
- if (memcmp(sbp->orig_value, nop_inst, PPC_NOP_LENGTH) == 0) {
- nxtbp = address2bpstruct(event->proc,
- event->e_un.brk_addr +
- PPC_NOP_LENGTH);
+ if (memcmp(sbp->orig_value, nop_inst, PPC_NOP_LENGTH) == 0) {
+ nxtbp = address2bpstruct(event->proc,
+ event->e_un.brk_addr +
+ PPC_NOP_LENGTH);
if (nxtbp != 0) {
enable_breakpoint(event->proc->pid, sbp);
continue_after_breakpoint(event->proc, nxtbp);
@@ -308,22 +307,22 @@ static void process_breakpoint(struct event *event)
}
}
#elif defined(__mips__)
- void *addr;
- void *old_addr;
- struct library_symbol *sym= event->proc->callstack[i].c_un.libfunc;
- assert(sym && sym->brkpnt);
- old_addr=sym->brkpnt->addr;
- addr=sym2addr(event->proc,sym);
- assert(old_addr !=0 && addr !=0);
- if(addr != old_addr){
- struct library_symbol *new_sym;
- new_sym=malloc(sizeof(*new_sym));
- memcpy(new_sym,sym,sizeof(*new_sym));
- new_sym->next=event->proc->list_of_symbols;
- event->proc->list_of_symbols=new_sym;
- new_sym->brkpnt=0;
- insert_breakpoint(event->proc, addr, new_sym);
- }
+ void *addr;
+ void *old_addr;
+ struct library_symbol *sym= event->proc->callstack[i].c_un.libfunc;
+ assert(sym && sym->brkpnt);
+ old_addr=sym->brkpnt->addr;
+ addr=sym2addr(event->proc,sym);
+ assert(old_addr !=0 && addr !=0);
+ if(addr != old_addr){
+ struct library_symbol *new_sym;
+ new_sym=malloc(sizeof(*new_sym));
+ memcpy(new_sym,sym,sizeof(*new_sym));
+ new_sym->next=event->proc->list_of_symbols;
+ event->proc->list_of_symbols=new_sym;
+ new_sym->brkpnt=0;
+ insert_breakpoint(event->proc, addr, new_sym);
+ }
#endif
for (j = event->proc->callstack_depth - 1; j > i; j--) {
callstack_pop(event->proc);
@@ -404,7 +403,7 @@ callstack_push_symfunc(struct process *proc, struct library_symbol *sym)
elem->c_un.libfunc = sym;
elem->return_addr = proc->return_addr;
- if (elem->return_addr) {
+ if (elem->return_addr) {
insert_breakpoint(proc, elem->return_addr, 0);
}
diff --git a/read_config_file.c b/read_config_file.c
index 6c42ca5..8cfa6e8 100644
--- a/read_config_file.c
+++ b/read_config_file.c
@@ -88,7 +88,7 @@ static arg_type_info *str2type(char **str)
while (tmp->name) {
if (!strncmp(*str, tmp->name, strlen(tmp->name))
- && index(" ,()#*;012345[", *(*str + strlen(tmp->name)))) {
+ && index(" ,()#*;012345[", *(*str + strlen(tmp->name)))) {
*str += strlen(tmp->name);
return lookup_prototype(tmp->pt);
}
@@ -106,28 +106,28 @@ static void eat_spaces(char **str)
static char *xstrndup(char *str, size_t len)
{
- char *ret = (char *) malloc(len + 1);
- strncpy(ret, str, len);
- ret[len] = 0;
- return ret;
+ char *ret = (char *) malloc(len + 1);
+ strncpy(ret, str, len);
+ ret[len] = 0;
+ return ret;
}
static char *parse_ident(char **str)
{
- char *ident = *str;
+ char *ident = *str;
- if (!isalnum(**str) && **str != '_') {
- output_line(0, "Syntax error in `%s', line %d: Bad identifier",
- filename, line_no);
- error_count++;
- return NULL;
- }
+ if (!isalnum(**str) && **str != '_') {
+ output_line(0, "Syntax error in `%s', line %d: Bad identifier",
+ filename, line_no);
+ error_count++;
+ return NULL;
+ }
- while (**str && (isalnum(**str) || **str == '_')) {
- ++(*str);
- }
+ while (**str && (isalnum(**str) || **str == '_')) {
+ ++(*str);
+ }
- return xstrndup(ident, *str - ident);
+ return xstrndup(ident, *str - ident);
}
/*
@@ -164,17 +164,17 @@ static char *start_of_arg_sig(char *str)
static int parse_int(char **str)
{
- char *end;
- long n = strtol(*str, &end, 0);
- if (end == *str) {
- output_line(0, "Syntax error in `%s', line %d: Bad number (%s)",
- filename, line_no, *str);
- error_count++;
- return 0;
- }
-
- *str = end;
- return n;
+ char *end;
+ long n = strtol(*str, &end, 0);
+ if (end == *str) {
+ output_line(0, "Syntax error in `%s', line %d: Bad number (%s)",
+ filename, line_no, *str);
+ error_count++;
+ return 0;
+ }
+
+ *str = end;
+ return n;
}
/*
@@ -192,192 +192,192 @@ static int parse_int(char **str)
*/
static int parse_argnum(char **str)
{
- int multiplier = 1;
- int n = 0;
-
- if (strncmp(*str, "arg", 3) == 0) {
- (*str) += 3;
- multiplier = -1;
- } else if (strncmp(*str, "elt", 3) == 0) {
- (*str) += 3;
- multiplier = -1;
- } else if (strncmp(*str, "retval", 6) == 0) {
- (*str) += 6;
- return 0;
- }
-
- n = parse_int(str);
-
- return n * multiplier;
+ int multiplier = 1;
+ int n = 0;
+
+ if (strncmp(*str, "arg", 3) == 0) {
+ (*str) += 3;
+ multiplier = -1;
+ } else if (strncmp(*str, "elt", 3) == 0) {
+ (*str) += 3;
+ multiplier = -1;
+ } else if (strncmp(*str, "retval", 6) == 0) {
+ (*str) += 6;
+ return 0;
+ }
+
+ n = parse_int(str);
+
+ return n * multiplier;
}
struct typedef_node_t {
- char *name;
- arg_type_info *info;
- struct typedef_node_t *next;
+ char *name;
+ arg_type_info *info;
+ struct typedef_node_t *next;
} *typedefs = NULL;
static arg_type_info *lookup_typedef(char **str)
{
- struct typedef_node_t *node;
- char *end = *str;
- while (*end && (isalnum(*end) || *end == '_'))
- ++end;
- if (end == *str)
- return NULL;
+ struct typedef_node_t *node;
+ char *end = *str;
+ while (*end && (isalnum(*end) || *end == '_'))
+ ++end;
+ if (end == *str)
+ return NULL;
- for (node = typedefs; node != NULL; node = node->next) {
- if (strncmp(*str, node->name, end - *str) == 0) {
- (*str) += strlen(node->name);
- return node->info;
+ for (node = typedefs; node != NULL; node = node->next) {
+ if (strncmp(*str, node->name, end - *str) == 0) {
+ (*str) += strlen(node->name);
+ return node->info;
+ }
}
- }
- return NULL;
+ return NULL;
}
static void parse_typedef(char **str)
{
- char *name;
- arg_type_info *info;
- struct typedef_node_t *binding;
-
- (*str) += strlen("typedef");
- eat_spaces(str);
-
- // Grab out the name of the type
- name = parse_ident(str);
-
- // Skip = sign
- eat_spaces(str);
- if (**str != '=') {
- output_line(0,
- "Syntax error in `%s', line %d: expected '=', got '%c'",
- filename, line_no, **str);
- error_count++;
- return;
- }
- (*str)++;
- eat_spaces(str);
-
- // Parse the type
- info = parse_type(str);
-
- // Insert onto beginning of linked list
- binding = malloc(sizeof(*binding));
- binding->name = name;
- binding->info = info;
- binding->next = typedefs;
- typedefs = binding;
+ char *name;
+ arg_type_info *info;
+ struct typedef_node_t *binding;
+
+ (*str) += strlen("typedef");
+ eat_spaces(str);
+
+ // Grab out the name of the type
+ name = parse_ident(str);
+
+ // Skip = sign
+ eat_spaces(str);
+ if (**str != '=') {
+ output_line(0,
+ "Syntax error in `%s', line %d: expected '=', got '%c'",
+ filename, line_no, **str);
+ error_count++;
+ return;
+ }
+ (*str)++;
+ eat_spaces(str);
+
+ // Parse the type
+ info = parse_type(str);
+
+ // Insert onto beginning of linked list
+ binding = malloc(sizeof(*binding));
+ binding->name = name;
+ binding->info = info;
+ binding->next = typedefs;
+ typedefs = binding;
}
static size_t arg_sizeof(arg_type_info * arg)
{
- if (arg->type == ARGTYPE_CHAR) {
- return sizeof(char);
- } else if (arg->type == ARGTYPE_SHORT || arg->type == ARGTYPE_USHORT) {
- return sizeof(short);
- } else if (arg->type == ARGTYPE_FLOAT) {
- return sizeof(float);
- } else if (arg->type == ARGTYPE_DOUBLE) {
- return sizeof(double);
- } else if (arg->type == ARGTYPE_ENUM) {
- return sizeof(int);
- } else if (arg->type == ARGTYPE_STRUCT) {
- return arg->u.struct_info.size;
- } else if (arg->type == ARGTYPE_POINTER) {
- return sizeof(void*);
- } else if (arg->type == ARGTYPE_ARRAY) {
- if (arg->u.array_info.len_spec > 0)
- return arg->u.array_info.len_spec * arg->u.array_info.elt_size;
- else
- return sizeof(void *);
- } else {
- return sizeof(int);
- }
+ if (arg->type == ARGTYPE_CHAR) {
+ return sizeof(char);
+ } else if (arg->type == ARGTYPE_SHORT || arg->type == ARGTYPE_USHORT) {
+ return sizeof(short);
+ } else if (arg->type == ARGTYPE_FLOAT) {
+ return sizeof(float);
+ } else if (arg->type == ARGTYPE_DOUBLE) {
+ return sizeof(double);
+ } else if (arg->type == ARGTYPE_ENUM) {
+ return sizeof(int);
+ } else if (arg->type == ARGTYPE_STRUCT) {
+ return arg->u.struct_info.size;
+ } else if (arg->type == ARGTYPE_POINTER) {
+ return sizeof(void*);
+ } else if (arg->type == ARGTYPE_ARRAY) {
+ if (arg->u.array_info.len_spec > 0)
+ return arg->u.array_info.len_spec * arg->u.array_info.elt_size;
+ else
+ return sizeof(void *);
+ } else {
+ return sizeof(int);
+ }
}
#undef alignof
#define alignof(field,st) ((size_t) ((char*) &st.field - (char*) &st))
static size_t arg_align(arg_type_info * arg)
{
- struct { char c; char C; } cC;
- struct { char c; short s; } cs;
- struct { char c; int i; } ci;
- struct { char c; long l; } cl;
- struct { char c; void* p; } cp;
- struct { char c; float f; } cf;
- struct { char c; double d; } cd;
-
- static size_t char_alignment = alignof(C, cC);
- static size_t short_alignment = alignof(s, cs);
- static size_t int_alignment = alignof(i, ci);
- static size_t long_alignment = alignof(l, cl);
- static size_t ptr_alignment = alignof(p, cp);
- static size_t float_alignment = alignof(f, cf);
- static size_t double_alignment = alignof(d, cd);
-
- switch (arg->type) {
- case ARGTYPE_LONG:
- case ARGTYPE_ULONG:
- return long_alignment;
- case ARGTYPE_CHAR:
- return char_alignment;
- case ARGTYPE_SHORT:
- case ARGTYPE_USHORT:
- return short_alignment;
- case ARGTYPE_FLOAT:
- return float_alignment;
- case ARGTYPE_DOUBLE:
- return double_alignment;
- case ARGTYPE_ADDR:
- case ARGTYPE_FILE:
- case ARGTYPE_FORMAT:
- case ARGTYPE_STRING:
- case ARGTYPE_STRING_N:
- case ARGTYPE_POINTER:
- return ptr_alignment;
-
- case ARGTYPE_ARRAY:
- return arg_align(&arg->u.array_info.elt_type[0]);
-
- case ARGTYPE_STRUCT:
- return arg_align(arg->u.struct_info.fields[0]);
-
- default:
- return int_alignment;
- }
+ struct { char c; char C; } cC;
+ struct { char c; short s; } cs;
+ struct { char c; int i; } ci;
+ struct { char c; long l; } cl;
+ struct { char c; void* p; } cp;
+ struct { char c; float f; } cf;
+ struct { char c; double d; } cd;
+
+ static size_t char_alignment = alignof(C, cC);
+ static size_t short_alignment = alignof(s, cs);
+ static size_t int_alignment = alignof(i, ci);
+ static size_t long_alignment = alignof(l, cl);
+ static size_t ptr_alignment = alignof(p, cp);
+ static size_t float_alignment = alignof(f, cf);
+ static size_t double_alignment = alignof(d, cd);
+
+ switch (arg->type) {
+ case ARGTYPE_LONG:
+ case ARGTYPE_ULONG:
+ return long_alignment;
+ case ARGTYPE_CHAR:
+ return char_alignment;
+ case ARGTYPE_SHORT:
+ case ARGTYPE_USHORT:
+ return short_alignment;
+ case ARGTYPE_FLOAT:
+ return float_alignment;
+ case ARGTYPE_DOUBLE:
+ return double_alignment;
+ case ARGTYPE_ADDR:
+ case ARGTYPE_FILE:
+ case ARGTYPE_FORMAT:
+ case ARGTYPE_STRING:
+ case ARGTYPE_STRING_N:
+ case ARGTYPE_POINTER:
+ return ptr_alignment;
+
+ case ARGTYPE_ARRAY:
+ return arg_align(&arg->u.array_info.elt_type[0]);
+
+ case ARGTYPE_STRUCT:
+ return arg_align(arg->u.struct_info.fields[0]);
+
+ default:
+ return int_alignment;
+ }
}
static size_t align_skip(size_t alignment, size_t offset)
{
- if (offset % alignment)
- return alignment - (offset % alignment);
- else
- return 0;
+ if (offset % alignment)
+ return alignment - (offset % alignment);
+ else
+ return 0;
}
/* I'm sure this isn't completely correct, but just try to get most of
* them right for now. */
static void align_struct(arg_type_info* info)
{
- size_t offset;
- int i;
-
- if (info->u.struct_info.size != 0)
- return; // Already done
-
- // Compute internal padding due to alignment constraints for
- // various types.
- offset = 0;
- for (i = 0; info->u.struct_info.fields[i] != NULL; i++) {
- arg_type_info *field = info->u.struct_info.fields[i];
- offset += align_skip(arg_align(field), offset);
- info->u.struct_info.offset[i] = offset;
- offset += arg_sizeof(field);
- }
-
- info->u.struct_info.size = offset;
+ size_t offset;
+ int i;
+
+ if (info->u.struct_info.size != 0)
+ return; // Already done
+
+ // Compute internal padding due to alignment constraints for
+ // various types.
+ offset = 0;
+ for (i = 0; info->u.struct_info.fields[i] != NULL; i++) {
+ arg_type_info *field = info->u.struct_info.fields[i];
+ offset += align_skip(arg_align(field), offset);
+ info->u.struct_info.offset[i] = offset;
+ offset += arg_sizeof(field);
+ }
+
+ info->u.struct_info.size = offset;
}
static arg_type_info *parse_nonpointer_type(char **str)
@@ -386,17 +386,17 @@ static arg_type_info *parse_nonpointer_type(char **str)
arg_type_info *info;
if (strncmp(*str, "typedef", 7) == 0) {
- parse_typedef(str);
- return lookup_prototype(ARGTYPE_UNKNOWN);
+ parse_typedef(str);
+ return lookup_prototype(ARGTYPE_UNKNOWN);
}
simple = str2type(str);
if (simple->type == ARGTYPE_UNKNOWN) {
- info = lookup_typedef(str);
- if (info)
- return info;
- else
- return simple; // UNKNOWN
+ info = lookup_typedef(str);
+ if (info)
+ return info;
+ else
+ return simple; // UNKNOWN
}
info = malloc(sizeof(*info));
@@ -409,149 +409,149 @@ static arg_type_info *parse_nonpointer_type(char **str)
/* Syntax: array ( type, N|argN ) */
case ARGTYPE_ARRAY:
- (*str)++; // Get past open paren
- eat_spaces(str);
- if ((info->u.array_info.elt_type = parse_type(str)) == NULL)
- return NULL;
- info->u.array_info.elt_size =
- arg_sizeof(info->u.array_info.elt_type);
- (*str)++; // Get past comma
- eat_spaces(str);
- info->u.array_info.len_spec = parse_argnum(str);
- (*str)++; // Get past close paren
- return info;
+ (*str)++; // Get past open paren
+ eat_spaces(str);
+ if ((info->u.array_info.elt_type = parse_type(str)) == NULL)
+ return NULL;
+ info->u.array_info.elt_size =
+ arg_sizeof(info->u.array_info.elt_type);
+ (*str)++; // Get past comma
+ eat_spaces(str);
+ info->u.array_info.len_spec = parse_argnum(str);
+ (*str)++; // Get past close paren
+ return info;
/* Syntax: enum ( keyname=value,keyname=value,... ) */
case ARGTYPE_ENUM:{
- struct enum_opt {
- char *key;
- int value;
- struct enum_opt *next;
- };
- struct enum_opt *list = NULL;
- struct enum_opt *p;
- int entries = 0;
- int ii;
-
- eat_spaces(str);
- (*str)++; // Get past open paren
- eat_spaces(str);
-
- while (**str && **str != ')') {
- p = (struct enum_opt *) malloc(sizeof(*p));
+ struct enum_opt {
+ char *key;
+ int value;
+ struct enum_opt *next;
+ };
+ struct enum_opt *list = NULL;
+ struct enum_opt *p;
+ int entries = 0;
+ int ii;
+
eat_spaces(str);
- p->key = parse_ident(str);
- if (error_count) {
- free(p);
- return NULL;
- }
+ (*str)++; // Get past open paren
eat_spaces(str);
- if (**str != '=') {
- free(p->key);
- free(p);
- output_line(0,
- "Syntax error in `%s', line %d: expected '=', got '%c'",
- filename, line_no, **str);
- error_count++;
- return NULL;
+
+ while (**str && **str != ')') {
+ p = (struct enum_opt *) malloc(sizeof(*p));
+ eat_spaces(str);
+ p->key = parse_ident(str);
+ if (error_count) {
+ free(p);
+ return NULL;
+ }
+ eat_spaces(str);
+ if (**str != '=') {
+ free(p->key);
+ free(p);
+ output_line(0,
+ "Syntax error in `%s', line %d: expected '=', got '%c'",
+ filename, line_no, **str);
+ error_count++;
+ return NULL;
+ }
+ ++(*str);
+ eat_spaces(str);
+ p->value = parse_int(str);
+ p->next = list;
+ list = p;
+ ++entries;
+
+ // Skip comma
+ eat_spaces(str);
+ if (**str == ',') {
+ (*str)++;
+ eat_spaces(str);
+ }
}
- ++(*str);
- eat_spaces(str);
- p->value = parse_int(str);
- p->next = list;
- list = p;
- ++entries;
- // Skip comma
- eat_spaces(str);
- if (**str == ',') {
- (*str)++;
- eat_spaces(str);
+ info->u.enum_info.entries = entries;
+ info->u.enum_info.keys =
+ (char **) malloc(entries * sizeof(char *));
+ info->u.enum_info.values =
+ (int *) malloc(entries * sizeof(int));
+ for (ii = 0, p = NULL; list; ++ii, list = list->next) {
+ if (p)
+ free(p);
+ info->u.enum_info.keys[ii] = list->key;
+ info->u.enum_info.values[ii] = list->value;
+ p = list;
}
- }
-
- info->u.enum_info.entries = entries;
- info->u.enum_info.keys =
- (char **) malloc(entries * sizeof(char *));
- info->u.enum_info.values =
- (int *) malloc(entries * sizeof(int));
- for (ii = 0, p = NULL; list; ++ii, list = list->next) {
if (p)
- free(p);
- info->u.enum_info.keys[ii] = list->key;
- info->u.enum_info.values[ii] = list->value;
- p = list;
- }
- if (p)
- free(p);
-
- return info;
+ free(p);
+
+ return info;
}
case ARGTYPE_STRING:
- if (!isdigit(**str) && **str != '[') {
- /* Oops, was just a simple string after all */
- free(info);
- return simple;
- }
+ if (!isdigit(**str) && **str != '[') {
+ /* Oops, was just a simple string after all */
+ free(info);
+ return simple;
+ }
- info->type = ARGTYPE_STRING_N;
+ info->type = ARGTYPE_STRING_N;
- /* Backwards compatibility for string0, string1, ... */
- if (isdigit(**str)) {
- info->u.string_n_info.size_spec = -parse_int(str);
- return info;
- }
+ /* Backwards compatibility for string0, string1, ... */
+ if (isdigit(**str)) {
+ info->u.string_n_info.size_spec = -parse_int(str);
+ return info;
+ }
- (*str)++; // Skip past opening [
- eat_spaces(str);
- info->u.string_n_info.size_spec = parse_argnum(str);
- eat_spaces(str);
- (*str)++; // Skip past closing ]
- return info;
+ (*str)++; // Skip past opening [
+ eat_spaces(str);
+ info->u.string_n_info.size_spec = parse_argnum(str);
+ eat_spaces(str);
+ (*str)++; // Skip past closing ]
+ return info;
// Syntax: struct ( type,type,type,... )
- case ARGTYPE_STRUCT:{
- int field_num = 0;
- (*str)++; // Get past open paren
- info->u.struct_info.fields =
- malloc((MAX_ARGS + 1) * sizeof(void *));
- info->u.struct_info.offset =
- malloc((MAX_ARGS + 1) * sizeof(size_t));
- info->u.struct_info.size = 0;
- eat_spaces(str); // Empty arg list with whitespace inside
- while (**str && **str != ')') {
- if (field_num == MAX_ARGS) {
- output_line(0,
- "Error in `%s', line %d: Too many structure elements",
- filename, line_no);
- error_count++;
- return NULL;
- }
- eat_spaces(str);
- if (field_num != 0) {
- (*str)++; // Get past comma
- eat_spaces(str);
+ case ARGTYPE_STRUCT:{
+ int field_num = 0;
+ (*str)++; // Get past open paren
+ info->u.struct_info.fields =
+ malloc((MAX_ARGS + 1) * sizeof(void *));
+ info->u.struct_info.offset =
+ malloc((MAX_ARGS + 1) * sizeof(size_t));
+ info->u.struct_info.size = 0;
+ eat_spaces(str); // Empty arg list with whitespace inside
+ while (**str && **str != ')') {
+ if (field_num == MAX_ARGS) {
+ output_line(0,
+ "Error in `%s', line %d: Too many structure elements",
+ filename, line_no);
+ error_count++;
+ return NULL;
+ }
+ eat_spaces(str);
+ if (field_num != 0) {
+ (*str)++; // Get past comma
+ eat_spaces(str);
+ }
+ if ((info->u.struct_info.fields[field_num++] =
+ parse_type(str)) == NULL)
+ return NULL;
+
+ // Must trim trailing spaces so the check for
+ // the closing paren is simple
+ eat_spaces(str);
}
- if ((info->u.struct_info.fields[field_num++] =
- parse_type(str)) == NULL)
- return NULL;
-
- // Must trim trailing spaces so the check for
- // the closing paren is simple
- eat_spaces(str);
- }
- (*str)++; // Get past closing paren
- info->u.struct_info.fields[field_num] = NULL;
- align_struct(info);
- return info;
+ (*str)++; // Get past closing paren
+ info->u.struct_info.fields[field_num] = NULL;
+ align_struct(info);
+ return info;
}
default:
if (info->type == ARGTYPE_UNKNOWN) {
output_line(0, "Syntax error in `%s', line %d: "
- "Unknown type encountered",
- filename, line_no);
+ "Unknown type encountered",
+ filename, line_no);
free(info);
error_count++;
return NULL;
@@ -593,13 +593,12 @@ static struct function *process_line(char *buf)
debug(3, " Skipping line %d", line_no);
return NULL;
}
- fun.return_info->arg_num = -1;
debug(4, " return_type = %d", fun.return_info->type);
eat_spaces(&str);
tmp = start_of_arg_sig(str);
if (!tmp) {
output_line(0, "Syntax error in `%s', line %d", filename,
- line_no);
+ line_no);
error_count++;
return NULL;
}
@@ -622,8 +621,8 @@ static struct function *process_line(char *buf)
fun.arg_info[i] = parse_type(&str);
if (fun.arg_info[i] == NULL) {
output_line(0, "Syntax error in `%s', line %d"
- ": unknown argument type",
- filename, line_no);
+ ": unknown argument type",
+ filename, line_no);
error_count++;
return NULL;
}
@@ -631,7 +630,6 @@ static struct function *process_line(char *buf)
fun.arg_info[i]->u.float_info.float_index = float_num++;
else if (fun.arg_info[i]->type == ARGTYPE_DOUBLE)
fun.arg_info[i]->u.double_info.float_index = float_num++;
- fun.arg_info[i]->arg_num = i;
eat_spaces(&str);
if (*str == ',') {
str++;
@@ -642,7 +640,7 @@ static struct function *process_line(char *buf)
if (str[strlen(str) - 1] == '\n')
str[strlen(str) - 1] = '\0';
output_line(0, "Syntax error in `%s', line %d at ...\"%s\"",
- filename, line_no, str);
+ filename, line_no, str);
error_count++;
return NULL;
}
diff --git a/sysdeps/linux-gnu/alpha/trace.c b/sysdeps/linux-gnu/alpha/trace.c
index 459efa6..3099500 100644
--- a/sysdeps/linux-gnu/alpha/trace.c
+++ b/sysdeps/linux-gnu/alpha/trace.c
@@ -47,10 +47,8 @@ int syscall_p(struct process *proc, int status, int *sysnum)
return 0;
}
-long gimme_arg(enum tof type, struct process *proc, arg_type_info *info)
+long gimme_arg(enum tof type, struct process *proc, int arg_num, arg_type_info *info)
{
- int arg_num = info->arg_num;
-
if (arg_num == -1) { /* return value */
return ptrace(PTRACE_PEEKUSER, proc->pid, 0 /* REG_R0 */ , 0);
}
diff --git a/sysdeps/linux-gnu/arm/trace.c b/sysdeps/linux-gnu/arm/trace.c
index efa625e..b5c2122 100644
--- a/sysdeps/linux-gnu/arm/trace.c
+++ b/sysdeps/linux-gnu/arm/trace.c
@@ -51,10 +51,8 @@ int syscall_p(struct process *proc, int status, int *sysnum)
return 0;
}
-long gimme_arg(enum tof type, struct process *proc, arg_type_info *info)
+long gimme_arg(enum tof type, struct process *proc, int arg_num, arg_type_info *info)
{
- int arg_num = info->arg_num;
-
if (arg_num == -1) { /* return value */
return ptrace(PTRACE_PEEKUSER, proc->pid, off_r0, 0);
}
diff --git a/sysdeps/linux-gnu/i386/trace.c b/sysdeps/linux-gnu/i386/trace.c
index 6406272..6e64c46 100644
--- a/sysdeps/linux-gnu/i386/trace.c
+++ b/sysdeps/linux-gnu/i386/trace.c
@@ -43,10 +43,8 @@ int syscall_p(struct process *proc, int status, int *sysnum)
return 0;
}
-long gimme_arg(enum tof type, struct process *proc, arg_type_info *info)
+long gimme_arg(enum tof type, struct process *proc, int arg_num, arg_type_info *info)
{
- int arg_num = info->arg_num;
-
if (arg_num == -1) { /* return value */
return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * EAX, 0);
}
diff --git a/sysdeps/linux-gnu/ia64/trace.c b/sysdeps/linux-gnu/ia64/trace.c
index ce07d86..565cd6f 100644
--- a/sysdeps/linux-gnu/ia64/trace.c
+++ b/sysdeps/linux-gnu/ia64/trace.c
@@ -245,9 +245,8 @@ static double gimme_float_arg(enum tof type, struct process *proc, int arg_num)
exit(1);
}
-long gimme_arg(enum tof type, struct process *proc, arg_type_info *info)
+long gimme_arg(enum tof type, struct process *proc, int arg_num, arg_type_info *info)
{
- int arg_num = info->arg_num;
union {
long l;
float f;
diff --git a/sysdeps/linux-gnu/m68k/trace.c b/sysdeps/linux-gnu/m68k/trace.c
index c05959c..14053db 100644
--- a/sysdeps/linux-gnu/m68k/trace.c
+++ b/sysdeps/linux-gnu/m68k/trace.c
@@ -48,10 +48,8 @@ int syscall_p(struct process *proc, int status, int *sysnum)
return 0;
}
-long gimme_arg(enum tof type, struct process *proc, arg_type_info *info)
+long gimme_arg(enum tof type, struct process *proc, int arg_num, arg_type_info *info)
{
- int arg_num = info->arg_num;
-
if (arg_num == -1) { /* return value */
return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * PT_D0, 0);
}
diff --git a/sysdeps/linux-gnu/mipsel/trace.c b/sysdeps/linux-gnu/mipsel/trace.c
index 3932f26..fa513e3 100644
--- a/sysdeps/linux-gnu/mipsel/trace.c
+++ b/sysdeps/linux-gnu/mipsel/trace.c
@@ -118,7 +118,7 @@ arguments somewhere on the call.
I'm not doing any floating point support here.
*/
-long gimme_arg(enum tof type, struct process *proc, int arg_num)
+long gimme_arg(enum tof type, struct process *proc, int arg_num, arg_type_info *info)
{
long ret;
debug(2,"type %d arg %d",type,arg_num);
diff --git a/sysdeps/linux-gnu/ppc/trace.c b/sysdeps/linux-gnu/ppc/trace.c
index 888c38f..1bd3efd 100644
--- a/sysdeps/linux-gnu/ppc/trace.c
+++ b/sysdeps/linux-gnu/ppc/trace.c
@@ -56,10 +56,8 @@ int syscall_p(struct process *proc, int status, int *sysnum)
return 0;
}
-long gimme_arg(enum tof type, struct process *proc, arg_type_info *info)
+long gimme_arg(enum tof type, struct process *proc, int arg_num, arg_type_info *info)
{
- int arg_num = info->arg_num;
-
if (arg_num == -1) { /* return value */
return ptrace(PTRACE_PEEKUSER, proc->pid, sizeof(long) * PT_R3,
0);
diff --git a/sysdeps/linux-gnu/s390/trace.c b/sysdeps/linux-gnu/s390/trace.c
index 0e93f39..51c55de 100644
--- a/sysdeps/linux-gnu/s390/trace.c
+++ b/sysdeps/linux-gnu/s390/trace.c
@@ -161,9 +161,8 @@ int syscall_p(struct process *proc, int status, int *sysnum)
return 0;
}
-long gimme_arg(enum tof type, struct process *proc, arg_type_info *info)
+long gimme_arg(enum tof type, struct process *proc, int arg_num, arg_type_info *info)
{
- int arg_num = info->arg_num;
long ret;
switch (arg_num) {
diff --git a/sysdeps/linux-gnu/sparc/trace.c b/sysdeps/linux-gnu/sparc/trace.c
index 0533998..354f7e7 100644
--- a/sysdeps/linux-gnu/sparc/trace.c
+++ b/sysdeps/linux-gnu/sparc/trace.c
@@ -48,10 +48,8 @@ int syscall_p(struct process *proc, int status, int *sysnum)
return 0;
}
-long gimme_arg(enum tof type, struct process *proc, arg_type_info *info)
+long gimme_arg(enum tof type, struct process *proc, int arg_num, arg_type_info *info)
{
- int arg_num = info->arg_num;
-
proc_archdep *a = (proc_archdep *) proc->arch_ptr;
if (!a->valid) {
fprintf(stderr, "Could not get child registers\n");
diff --git a/sysdeps/linux-gnu/x86_64/trace.c b/sysdeps/linux-gnu/x86_64/trace.c
index 56622c9..57d0e1f 100644
--- a/sysdeps/linux-gnu/x86_64/trace.c
+++ b/sysdeps/linux-gnu/x86_64/trace.c
@@ -86,10 +86,8 @@ gimme_arg32(enum tof type, struct process *proc, int arg_num)
exit(1);
}
-long gimme_arg(enum tof type, struct process *proc, arg_type_info *info)
+long gimme_arg(enum tof type, struct process *proc, int arg_num, arg_type_info *info)
{
- int arg_num = info->arg_num;
-
if (proc->mask_32bit)
return (unsigned int)gimme_arg32(type, proc, arg_num);
diff --git a/wait_for_something.c b/wait_for_something.c
index f699663..c65de41 100644
--- a/wait_for_something.c
+++ b/wait_for_something.c
@@ -111,7 +111,7 @@ struct event *wait_for_something(void)
if (stop_signal != (SIGTRAP | event.proc->tracesysgood)
&& stop_signal != SIGTRAP) {
event.thing = LT_EV_SIGNAL;
- event.e_un.signum = stop_signal;
+ event.e_un.signum = stop_signal;
return &event;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 03:49:09 +0000