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authorAlan Modra <amodra@gmail.com>2010-09-06 23:55:10 +0000
committerAlan Modra <amodra@gmail.com>2010-09-06 23:55:10 +0000
commit4e1fc5994d9787f78da5cdbc76b9000a41e3ec41 (patch)
treef7be58d328d8963663ec622184f09b17f0fb2734 /bfd/peXXigen.c
parent809df4465f01277ab689fb82b3f16ff79f9a2606 (diff)
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* peXXigen.c: Whitespace.
(pe_print_idata): Correct section limit calculations. Tidy array indexing. (_bfd_XX_print_ce_compressed_pdata): Don't leak memory.
Diffstat (limited to 'bfd/peXXigen.c')
-rw-r--r--bfd/peXXigen.c106
1 files changed, 48 insertions, 58 deletions
diff --git a/bfd/peXXigen.c b/bfd/peXXigen.c
index d023dc8..f78d2d7 100644
--- a/bfd/peXXigen.c
+++ b/bfd/peXXigen.c
@@ -550,7 +550,7 @@ _bfd_XXi_swap_aouthdr_out (bfd * abfd, void * in, void * out)
PEAOUTHDR *aouthdr_out = (PEAOUTHDR *) out;
bfd_vma sa, fa, ib;
IMAGE_DATA_DIRECTORY idata2, idata5, tls;
-
+
sa = extra->SectionAlignment;
fa = extra->FileAlignment;
ib = extra->ImageBase;
@@ -558,7 +558,7 @@ _bfd_XXi_swap_aouthdr_out (bfd * abfd, void * in, void * out)
idata2 = pe->pe_opthdr.DataDirectory[PE_IMPORT_TABLE];
idata5 = pe->pe_opthdr.DataDirectory[PE_IMPORT_ADDRESS_TABLE];
tls = pe->pe_opthdr.DataDirectory[PE_TLS_TABLE];
-
+
if (aouthdr_in->tsize)
{
aouthdr_in->text_start -= ib;
@@ -615,7 +615,7 @@ _bfd_XXi_swap_aouthdr_out (bfd * abfd, void * in, void * out)
/* Until other .idata fixes are made (pending patch), the entry for
.idata is needed for backwards compatibility. FIXME. */
add_data_entry (abfd, extra, 1, ".idata", ib);
-
+
/* For some reason, the virtual size (which is what's set by
add_data_entry) for .reloc is not the same as the size recorded
in this slot by MSVC; it doesn't seem to cause problems (so far),
@@ -926,7 +926,7 @@ _bfd_XXi_swap_scnhdr_out (bfd * abfd, void * in, void * out)
(0x02000000). Also, the resource data should also be read and
writable. */
- /* FIXME: Alignment is also encoded in this field, at least on PPC and
+ /* FIXME: Alignment is also encoded in this field, at least on PPC and
ARM-WINCE. Although - how do we get the original alignment field
back ? */
@@ -936,7 +936,7 @@ _bfd_XXi_swap_scnhdr_out (bfd * abfd, void * in, void * out)
unsigned long must_have;
}
pe_required_section_flags;
-
+
pe_required_section_flags known_sections [] =
{
{ ".arch", IMAGE_SCN_MEM_READ | IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_DISCARDABLE | IMAGE_SCN_ALIGN_8BYTES },
@@ -1110,7 +1110,6 @@ pe_print_idata (bfd * abfd, void * vfile)
section->name, (unsigned long) addr);
dataoff = addr - section->vma;
- datasize -= dataoff;
#ifdef POWERPC_LE_PE
if (rel_section != 0 && rel_section->size != 0)
@@ -1183,7 +1182,7 @@ pe_print_idata (bfd * abfd, void * vfile)
adj = section->vma - extra->ImageBase;
/* Print all image import descriptors. */
- for (i = 0; i < datasize; i += onaline)
+ for (i = dataoff; i + onaline <= datasize; i += onaline)
{
bfd_vma hint_addr;
bfd_vma time_stamp;
@@ -1195,12 +1194,12 @@ pe_print_idata (bfd * abfd, void * vfile)
char *dll;
/* Print (i + extra->DataDirectory[PE_IMPORT_TABLE].VirtualAddress). */
- fprintf (file, " %08lx\t", (unsigned long) (i + adj + dataoff));
- hint_addr = bfd_get_32 (abfd, data + i + dataoff);
- time_stamp = bfd_get_32 (abfd, data + i + 4 + dataoff);
- forward_chain = bfd_get_32 (abfd, data + i + 8 + dataoff);
- dll_name = bfd_get_32 (abfd, data + i + 12 + dataoff);
- first_thunk = bfd_get_32 (abfd, data + i + 16 + dataoff);
+ fprintf (file, " %08lx\t", (unsigned long) (i + adj));
+ hint_addr = bfd_get_32 (abfd, data + i);
+ time_stamp = bfd_get_32 (abfd, data + i + 4);
+ forward_chain = bfd_get_32 (abfd, data + i + 8);
+ dll_name = bfd_get_32 (abfd, data + i + 12);
+ first_thunk = bfd_get_32 (abfd, data + i + 16);
fprintf (file, "%08lx %08lx %08lx %08lx %08lx\n",
(unsigned long) hint_addr,
@@ -1225,16 +1224,17 @@ pe_print_idata (bfd * abfd, void * vfile)
bfd_vma ft_addr;
bfd_size_type ft_datasize;
int ft_idx;
- int ft_allocated = 0;
+ int ft_allocated;
fprintf (file, _("\tvma: Hint/Ord Member-Name Bound-To\n"));
idx = hint_addr - adj;
-
+
ft_addr = first_thunk + extra->ImageBase;
- ft_data = data;
ft_idx = first_thunk - adj;
- ft_allocated = 0;
+ ft_data = data + ft_idx;
+ ft_datasize = datasize - ft_idx;
+ ft_allocated = 0;
if (first_thunk != hint_addr)
{
@@ -1243,9 +1243,8 @@ pe_print_idata (bfd * abfd, void * vfile)
ft_section != NULL;
ft_section = ft_section->next)
{
- ft_datasize = ft_section->size;
if (ft_addr >= ft_section->vma
- && ft_addr < ft_section->vma + ft_datasize)
+ && ft_addr < ft_section->vma + ft_section->size)
break;
}
@@ -1258,34 +1257,28 @@ pe_print_idata (bfd * abfd, void * vfile)
/* Now check to see if this section is the same as our current
section. If it is not then we will have to load its data in. */
- if (ft_section == section)
- {
- ft_data = data;
- ft_idx = first_thunk - adj;
- }
- else
+ if (ft_section != section)
{
ft_idx = first_thunk - (ft_section->vma - extra->ImageBase);
- ft_data = (bfd_byte *) bfd_malloc (datasize);
+ ft_datasize = ft_section->size - ft_idx;
+ ft_data = (bfd_byte *) bfd_malloc (ft_datasize);
if (ft_data == NULL)
continue;
- /* Read datasize bfd_bytes starting at offset ft_idx. */
- if (! bfd_get_section_contents
- (abfd, ft_section, ft_data, (bfd_vma) ft_idx, datasize))
+ /* Read ft_datasize bytes starting at offset ft_idx. */
+ if (!bfd_get_section_contents (abfd, ft_section, ft_data,
+ (bfd_vma) ft_idx, ft_datasize))
{
free (ft_data);
continue;
}
-
- ft_idx = 0;
ft_allocated = 1;
}
}
/* Print HintName vector entries. */
#ifdef COFF_WITH_pex64
- for (j = 0; j < datasize; j += 8)
+ for (j = 0; idx + j + 8 <= datasize; j += 8)
{
unsigned long member = bfd_get_32 (abfd, data + idx + j);
unsigned long member_high = bfd_get_32 (abfd, data + idx + j + 4);
@@ -1310,17 +1303,18 @@ pe_print_idata (bfd * abfd, void * vfile)
table holds actual addresses. */
if (time_stamp != 0
&& first_thunk != 0
- && first_thunk != hint_addr)
+ && first_thunk != hint_addr
+ && j + 4 <= ft_datasize)
fprintf (file, "\t%04lx",
- (unsigned long) bfd_get_32 (abfd, ft_data + ft_idx + j));
+ (unsigned long) bfd_get_32 (abfd, ft_data + j));
fprintf (file, "\n");
}
#else
- for (j = 0; j < datasize; j += 4)
+ for (j = 0; idx + j + 4 <= datasize; j += 4)
{
unsigned long member = bfd_get_32 (abfd, data + idx + j);
- /* Print single IMAGE_IMPORT_BY_NAME vector. */
+ /* Print single IMAGE_IMPORT_BY_NAME vector. */
if (member == 0)
break;
@@ -1342,9 +1336,10 @@ pe_print_idata (bfd * abfd, void * vfile)
table holds actual addresses. */
if (time_stamp != 0
&& first_thunk != 0
- && first_thunk != hint_addr)
+ && first_thunk != hint_addr
+ && j + 4 <= ft_datasize)
fprintf (file, "\t%04lx",
- (unsigned long) bfd_get_32 (abfd, ft_data + ft_idx + j));
+ (unsigned long) bfd_get_32 (abfd, ft_data + j));
fprintf (file, "\n");
}
@@ -1583,7 +1578,7 @@ pe_print_edata (bfd * abfd, void * vfile)
/* This really is architecture dependent. On IA-64, a .pdata entry
consists of three dwords containing relative virtual addresses that
specify the start and end address of the code range the entry
- covers and the address of the corresponding unwind info data.
+ covers and the address of the corresponding unwind info data.
On ARM and SH-4, a compressed PDATA structure is used :
_IMAGE_CE_RUNTIME_FUNCTION_ENTRY, whereas MIPS is documented to use
@@ -1828,7 +1823,6 @@ _bfd_XX_print_ce_compressed_pdata (bfd * abfd, void * vfile)
bfd_vma other_data;
bfd_vma prolog_length, function_length;
int flag32bit, exception_flag;
- bfd_byte *tdata = 0;
asection *tsection;
if (i + PDATA_ROW_SIZE > stop)
@@ -1860,12 +1854,13 @@ _bfd_XX_print_ce_compressed_pdata (bfd * abfd, void * vfile)
if (tsection && coff_section_data (abfd, tsection)
&& pei_section_data (abfd, tsection))
{
- if (bfd_malloc_and_get_section (abfd, tsection, & tdata))
- {
- int xx = (begin_addr - 8) - tsection->vma;
+ bfd_vma eh_off = (begin_addr - 8) - tsection->vma;
+ bfd_byte *tdata;
- tdata = (bfd_byte *) bfd_malloc (8);
- if (bfd_get_section_contents (abfd, tsection, tdata, (bfd_vma) xx, 8))
+ tdata = (bfd_byte *) bfd_malloc (8);
+ if (tdata)
+ {
+ if (bfd_get_section_contents (abfd, tsection, tdata, eh_off, 8))
{
bfd_vma eh, eh_data;
@@ -1883,11 +1878,6 @@ _bfd_XX_print_ce_compressed_pdata (bfd * abfd, void * vfile)
}
free (tdata);
}
- else
- {
- if (tdata)
- free (tdata);
- }
}
fprintf (file, "\n");
@@ -2194,7 +2184,7 @@ _bfd_XX_bfd_copy_private_bfd_data_common (bfd * ibfd, bfd * obfd)
ipe = pe_data (ibfd);
ope = pe_data (obfd);
-
+
/* pe_opthdr is copied in copy_object. */
ope->dll = ipe->dll;
@@ -2288,7 +2278,7 @@ _bfd_XXi_final_link_postscript (bfd * abfd, struct coff_final_link_info *pfinfo)
".idata$2", FALSE, FALSE, TRUE);
if (h1 != NULL)
{
- /* PR ld/2729: We cannot rely upon all the output sections having been
+ /* PR ld/2729: We cannot rely upon all the output sections having been
created properly, so check before referencing them. Issue a warning
message for any sections tht could not be found. */
if ((h1->root.type == bfd_link_hash_defined
@@ -2302,7 +2292,7 @@ _bfd_XXi_final_link_postscript (bfd * abfd, struct coff_final_link_info *pfinfo)
else
{
_bfd_error_handler
- (_("%B: unable to fill in DataDictionary[1] because .idata$2 is missing"),
+ (_("%B: unable to fill in DataDictionary[1] because .idata$2 is missing"),
abfd);
result = FALSE;
}
@@ -2322,7 +2312,7 @@ _bfd_XXi_final_link_postscript (bfd * abfd, struct coff_final_link_info *pfinfo)
else
{
_bfd_error_handler
- (_("%B: unable to fill in DataDictionary[1] because .idata$4 is missing"),
+ (_("%B: unable to fill in DataDictionary[1] because .idata$4 is missing"),
abfd);
result = FALSE;
}
@@ -2343,7 +2333,7 @@ _bfd_XXi_final_link_postscript (bfd * abfd, struct coff_final_link_info *pfinfo)
else
{
_bfd_error_handler
- (_("%B: unable to fill in DataDictionary[12] because .idata$5 is missing"),
+ (_("%B: unable to fill in DataDictionary[12] because .idata$5 is missing"),
abfd);
result = FALSE;
}
@@ -2359,11 +2349,11 @@ _bfd_XXi_final_link_postscript (bfd * abfd, struct coff_final_link_info *pfinfo)
((h1->root.u.def.value
+ h1->root.u.def.section->output_section->vma
+ h1->root.u.def.section->output_offset)
- - pe_data (abfd)->pe_opthdr.DataDirectory[PE_IMPORT_ADDRESS_TABLE].VirtualAddress);
+ - pe_data (abfd)->pe_opthdr.DataDirectory[PE_IMPORT_ADDRESS_TABLE].VirtualAddress);
else
{
_bfd_error_handler
- (_("%B: unable to fill in DataDictionary[PE_IMPORT_ADDRESS_TABLE (12)] because .idata$6 is missing"),
+ (_("%B: unable to fill in DataDictionary[PE_IMPORT_ADDRESS_TABLE (12)] because .idata$6 is missing"),
abfd);
result = FALSE;
}
@@ -2385,7 +2375,7 @@ _bfd_XXi_final_link_postscript (bfd * abfd, struct coff_final_link_info *pfinfo)
else
{
_bfd_error_handler
- (_("%B: unable to fill in DataDictionary[9] because __tls_used is missing"),
+ (_("%B: unable to fill in DataDictionary[9] because __tls_used is missing"),
abfd);
result = FALSE;
}