[reactos] 23/179: [WINESYNC] dbghelp: Read the stabs nlist entry corresponding to the target's architecture.
16 Sep
2020
16 Sep
'20
8:37 a.m.
https://git.reactos.org/?p=reactos.git;a=commitdiff;h=eaf6edad46672a486303b…
commit eaf6edad46672a486303bd783026f90e3a66a1a8
Author: winesync <ros-dev(a)reactos.org>
AuthorDate: Fri Sep 11 13:14:05 2020 +0200
Commit: Jérôme Gardou <jerome.gardou(a)reactos.org>
CommitDate: Wed Sep 16 10:35:33 2020 +0200
[WINESYNC] dbghelp: Read the stabs nlist entry corresponding to the target's
architecture.
Signed-off-by: Zebediah Figura <zfigura(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>
wine commit id 7d441808ac3b1d8bcef7795b636bda14c31c927b by Zebediah Figura
<zfigura(a)codeweavers.com>
---
dll/win32/dbghelp/dbghelp_private.h | 2 +-
dll/win32/dbghelp/macho_module.c | 16 +++-----
dll/win32/dbghelp/stabs.c | 73 +++++++++++++++++++++----------------
sdk/tools/winesync/dbghelp.cfg | 2 +-
4 files changed, 48 insertions(+), 45 deletions(-)
diff --git a/dll/win32/dbghelp/dbghelp_private.h b/dll/win32/dbghelp/dbghelp_private.h
index 537b9bc087b..21198f400ab 100644
--- a/dll/win32/dbghelp/dbghelp_private.h
+++ b/dll/win32/dbghelp/dbghelp_private.h
@@ -708,7 +708,7 @@ typedef void (*stabs_def_cb)(struct module* module, unsigned long
load_offset,
BOOL is_public, BOOL is_global, unsigned char other,
struct symt_compiland* compiland, void* user);
extern BOOL stabs_parse(struct module* module, unsigned long load_offset,
- const void* stabs, int stablen,
+ const char* stabs, int stablen,
const char* strs, int strtablen,
stabs_def_cb callback, void* user) DECLSPEC_HIDDEN;
diff --git a/dll/win32/dbghelp/macho_module.c b/dll/win32/dbghelp/macho_module.c
index b8f5967137d..52c8e69108c 100644
--- a/dll/win32/dbghelp/macho_module.c
+++ b/dll/win32/dbghelp/macho_module.c
@@ -88,13 +88,6 @@ struct dyld_all_image_infos {
WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_macho);
-#ifdef _WIN64
-typedef struct nlist_64 macho_nlist;
-#else
-typedef struct nlist macho_nlist;
-#endif
-
-
/* Bitmask for Mach-O image header flags indicating that the image is in dyld's
shared cached. That implies that its segments are mapped non-contiguously.
This value isn't defined anywhere in headers. It's used in dyld and in
@@ -913,24 +906,25 @@ static int macho_parse_symtab(struct image_file_map* ifm,
struct macho_file_map* fmap = &ifm->u.macho;
const struct symtab_command* sc = (const struct symtab_command*)lc;
struct macho_debug_info* mdi = user;
- const macho_nlist* stab;
const char* stabstr;
int ret = 0;
+ size_t stabsize = (ifm->addr_size == 32) ? sizeof(struct nlist) : sizeof(struct
nlist_64);
+ const char *stab;
TRACE("(%p/%d, %p, %p) %u syms at 0x%08x, strings 0x%08x - 0x%08x\n", fmap,
fmap->fd, lc,
user, sc->nsyms, sc->symoff, sc->stroff, sc->stroff +
sc->strsize);
- if (!macho_map_ranges(fmap, sc->symoff, sc->nsyms * sizeof(macho_nlist),
+ if (!macho_map_ranges(fmap, sc->symoff, sc->nsyms * stabsize,
sc->stroff, sc->strsize, (const void**)&stab, (const
void**)&stabstr))
return 0;
if (!stabs_parse(mdi->module,
mdi->module->format_info[DFI_MACHO]->u.macho_info->load_addr -
fmap->segs_start,
- stab, sc->nsyms * sizeof(macho_nlist),
+ stab, sc->nsyms * stabsize,
stabstr, sc->strsize, macho_stabs_def_cb, mdi))
ret = -1;
- macho_unmap_ranges(fmap, sc->symoff, sc->nsyms * sizeof(macho_nlist),
+ macho_unmap_ranges(fmap, sc->symoff, sc->nsyms * stabsize,
sc->stroff, sc->strsize, (const void**)&stab, (const
void**)&stabstr);
return ret;
diff --git a/dll/win32/dbghelp/stabs.c b/dll/win32/dbghelp/stabs.c
index 1ec0065bb71..9caf6f9d427 100644
--- a/dll/win32/dbghelp/stabs.c
+++ b/dll/win32/dbghelp/stabs.c
@@ -41,6 +41,7 @@
#include <sys/mman.h>
#endif
#include <limits.h>
+#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
@@ -119,11 +120,7 @@ struct stab_nlist
unsigned char n_type;
char n_other;
short n_desc;
-#if defined(__APPLE__) && defined(_WIN64)
- unsigned long n_value;
-#else
unsigned n_value;
-#endif
};
static void stab_strcpy(char* dest, int sz, const char* source)
@@ -1273,7 +1270,7 @@ static inline void stabbuf_append(char **buf, unsigned *buf_size,
const char *st
}
BOOL stabs_parse(struct module* module, unsigned long load_offset,
- const void* pv_stab_ptr, int stablen,
+ const char* pv_stab_ptr, int stablen,
const char* strs, int strtablen,
stabs_def_cb callback, void* user)
{
@@ -1286,7 +1283,7 @@ BOOL stabs_parse(struct module* module, unsigned long load_offset,
const char* ptr;
char* stabbuff;
unsigned int stabbufflen;
- const struct stab_nlist* stab_ptr = pv_stab_ptr;
+ const struct stab_nlist* stab_ptr;
const char* strs_end;
int strtabinc;
char symname[4096];
@@ -1298,8 +1295,14 @@ BOOL stabs_parse(struct module* module, unsigned long load_offset,
BOOL ret = TRUE;
struct location loc;
unsigned char type;
+ size_t stabsize = sizeof(struct stab_nlist);
+ uint64_t n_value;
- nstab = stablen / sizeof(struct stab_nlist);
+#ifdef __APPLE__
+ if (module->process->is_64bit)
+ stabsize = sizeof(struct nlist_64);
+#endif
+ nstab = stablen / stabsize;
strs_end = strs + strtablen;
memset(stabs_basic, 0, sizeof(stabs_basic));
@@ -1315,8 +1318,14 @@ BOOL stabs_parse(struct module* module, unsigned long load_offset,
strtabinc = 0;
stabbuff[0] = '\0';
- for (i = 0; i < nstab; i++, stab_ptr++)
+ for (i = 0; i < nstab; i++)
{
+ stab_ptr = (struct stab_nlist *)(pv_stab_ptr + i * stabsize);
+ n_value = stab_ptr->n_value;
+#ifdef __APPLE__
+ if (module->process->is_64bit)
+ n_value = ((struct nlist_64 *)stab_ptr)->n_value;
+#endif
ptr = strs + stab_ptr->n_strx;
if ((ptr > strs_end) || (ptr + strlen(ptr) > strs_end))
{
@@ -1390,7 +1399,7 @@ BOOL stabs_parse(struct module* module, unsigned long load_offset,
stab_strcpy(symname, sizeof(symname), ptr);
loc.kind = loc_absolute;
loc.reg = 0;
- loc.offset = load_offset + stab_ptr->n_value;
+ loc.offset = load_offset + n_value;
symt_new_global_variable(module, compiland, symname, TRUE /* FIXME */,
loc, 0, stabs_parse_type(ptr));
break;
@@ -1400,7 +1409,7 @@ BOOL stabs_parse(struct module* module, unsigned long load_offset,
stab_strcpy(symname, sizeof(symname), ptr);
loc.kind = loc_absolute;
loc.reg = 0;
- loc.offset = load_offset + stab_ptr->n_value;
+ loc.offset = load_offset + n_value;
symt_new_global_variable(module, compiland, symname, TRUE /* FIXME */,
loc, 0, stabs_parse_type(ptr));
break;
@@ -1408,14 +1417,14 @@ BOOL stabs_parse(struct module* module, unsigned long
load_offset,
if (curr_func)
{
block = symt_open_func_block(module, curr_func, block,
- stab_ptr->n_value, 0);
+ n_value, 0);
pending_flush(&pending_block, module, curr_func, block);
}
break;
case N_RBRAC:
if (curr_func)
block = symt_close_func_block(module, curr_func, block,
- stab_ptr->n_value);
+ n_value);
break;
case N_PSYM:
/* These are function parameters. */
@@ -1425,9 +1434,9 @@ BOOL stabs_parse(struct module* module, unsigned long load_offset,
stab_strcpy(symname, sizeof(symname), ptr);
loc.kind = loc_regrel;
loc.reg = dbghelp_current_cpu->frame_regno;
- loc.offset = stab_ptr->n_value;
+ loc.offset = n_value;
symt_add_func_local(module, curr_func,
- (int)stab_ptr->n_value >= 0 ? DataIsParam :
DataIsLocal,
+ (int)n_value >= 0 ? DataIsParam : DataIsLocal,
&loc, NULL, param_type, symname);
symt_add_function_signature_parameter(module,
(struct
symt_function_signature*)curr_func->type,
@@ -1441,7 +1450,7 @@ BOOL stabs_parse(struct module* module, unsigned long load_offset,
loc.kind = loc_register;
loc.offset = 0;
- switch (stab_ptr->n_value)
+ switch (n_value)
{
case 0: loc.reg = CV_REG_EAX; break;
case 1: loc.reg = CV_REG_ECX; break;
@@ -1459,7 +1468,7 @@ BOOL stabs_parse(struct module* module, unsigned long load_offset,
case 16:
case 17:
case 18:
- case 19: loc.reg = CV_REG_ST0 + stab_ptr->n_value - 12; break;
+ case 19: loc.reg = CV_REG_ST0 + n_value - 12; break;
case 21:
case 22:
case 23:
@@ -1467,7 +1476,7 @@ BOOL stabs_parse(struct module* module, unsigned long load_offset,
case 25:
case 26:
case 27:
- case 28: loc.reg = CV_REG_XMM0 + stab_ptr->n_value - 21; break;
+ case 28: loc.reg = CV_REG_XMM0 + n_value - 21; break;
case 29:
case 30:
case 31:
@@ -1475,9 +1484,9 @@ BOOL stabs_parse(struct module* module, unsigned long load_offset,
case 33:
case 34:
case 35:
- case 36: loc.reg = CV_REG_MM0 + stab_ptr->n_value - 29; break;
+ case 36: loc.reg = CV_REG_MM0 + n_value - 29; break;
default:
- FIXME("Unknown register value (%lu)\n", (unsigned
long)stab_ptr->n_value);
+ FIXME("Unknown register value (%lu)\n", (unsigned
long)n_value);
loc.reg = CV_REG_NONE;
break;
}
@@ -1500,7 +1509,7 @@ BOOL stabs_parse(struct module* module, unsigned long load_offset,
/* These are local variables */
loc.kind = loc_regrel;
loc.reg = dbghelp_current_cpu->frame_regno;
- loc.offset = stab_ptr->n_value;
+ loc.offset = n_value;
if (curr_func != NULL) pending_add_var(&pending_block, ptr, DataIsLocal,
&loc);
break;
case N_SLINE:
@@ -1511,14 +1520,14 @@ BOOL stabs_parse(struct module* module, unsigned long
load_offset,
assert(source_idx >= 0);
if (curr_func != NULL)
{
- unsigned long offset = stab_ptr->n_value;
+ unsigned long offset = n_value;
if (module->type == DMT_MACHO)
offset -= curr_func->address - load_offset;
symt_add_func_line(module, curr_func, source_idx,
stab_ptr->n_desc, offset);
}
else pending_add_line(&pending_func, source_idx, stab_ptr->n_desc,
- stab_ptr->n_value, load_offset);
+ n_value, load_offset);
break;
case N_FUN:
/*
@@ -1545,13 +1554,13 @@ BOOL stabs_parse(struct module* module, unsigned long
load_offset,
* and offset of last function
*/
stabs_finalize_function(module, curr_func,
- stab_ptr->n_value ?
- (load_offset + stab_ptr->n_value -
curr_func->address) : 0);
+ n_value ?
+ (load_offset + n_value -
curr_func->address) : 0);
}
func_type = symt_new_function_signature(module,
stabs_parse_type(ptr), -1);
curr_func = symt_new_function(module, compiland, symname,
- load_offset + stab_ptr->n_value, 0,
+ load_offset + n_value, 0,
&func_type->symt);
pending_flush(&pending_func, module, curr_func, NULL);
}
@@ -1560,7 +1569,7 @@ BOOL stabs_parse(struct module* module, unsigned long load_offset,
/* some versions of GCC to use a N_FUN "" to mark the end of a
function
* and n_value contains the size of the func
*/
- stabs_finalize_function(module, curr_func, stab_ptr->n_value);
+ stabs_finalize_function(module, curr_func, n_value);
curr_func = NULL;
}
break;
@@ -1602,7 +1611,7 @@ BOOL stabs_parse(struct module* module, unsigned long load_offset,
break;
case N_UNDF:
strs += strtabinc;
- strtabinc = stab_ptr->n_value;
+ strtabinc = n_value;
/* I'm not sure this is needed, so trace it before we obsolete it */
if (curr_func)
{
@@ -1615,7 +1624,7 @@ BOOL stabs_parse(struct module* module, unsigned long load_offset,
/* Ignore this. We don't care what it points to. */
break;
case N_BINCL:
- stabs_add_include(stabs_new_include(ptr, stab_ptr->n_value));
+ stabs_add_include(stabs_new_include(ptr, n_value));
assert(incl_stk < (int)(sizeof(incl) / sizeof(incl[0])) - 1);
incl[++incl_stk] = source_idx;
source_idx = source_new(module, NULL, ptr);
@@ -1625,9 +1634,9 @@ BOOL stabs_parse(struct module* module, unsigned long load_offset,
source_idx = incl[incl_stk--];
break;
case N_EXCL:
- if (stabs_add_include(stabs_find_include(ptr, stab_ptr->n_value)) < 0)
+ if (stabs_add_include(stabs_find_include(ptr, n_value)) < 0)
{
- ERR("Excluded header not found (%s,%ld)\n", ptr, (unsigned
long)stab_ptr->n_value);
+ ERR("Excluded header not found (%s,%ld)\n", ptr, (unsigned
long)n_value);
module_reset_debug_info(module);
ret = FALSE;
goto done;
@@ -1664,7 +1673,7 @@ BOOL stabs_parse(struct module* module, unsigned long load_offset,
if (*ptr == '_') ptr++;
stab_strcpy(symname, sizeof(symname), ptr);
- callback(module, load_offset, symname, stab_ptr->n_value,
+ callback(module, load_offset, symname, n_value,
is_public, is_global, stab_ptr->n_other, compiland, user);
}
break;
@@ -1674,7 +1683,7 @@ BOOL stabs_parse(struct module* module, unsigned long load_offset,
}
stabbuff[0] = '\0';
TRACE("0x%02x %lx %s\n",
- stab_ptr->n_type, (unsigned long)stab_ptr->n_value, debugstr_a(strs +
stab_ptr->n_strx));
+ stab_ptr->n_type, (unsigned long)n_value, debugstr_a(strs +
stab_ptr->n_strx));
}
module->module.SymType = SymDia;
module->module.CVSig = 'S' | ('T' << 8) | ('A'
<< 16) | ('B' << 24);
diff --git a/sdk/tools/winesync/dbghelp.cfg b/sdk/tools/winesync/dbghelp.cfg
index e4f1f15e1b4..d497e3133cc 100644
--- a/sdk/tools/winesync/dbghelp.cfg
+++ b/sdk/tools/winesync/dbghelp.cfg
@@ -3,4 +3,4 @@ directories:
files:
include/dbghelp.h: sdk/include/psdk/dbghelp.h
tags:
- wine: 1dc9bb70cd16fa7b37e8fd6e82ed18311ddfbe38
+ wine: 7d441808ac3b1d8bcef7795b636bda14c31c927b
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