diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/generic/Makefile | 4 | ||||
| -rw-r--r-- | sysdeps/generic/errno.c | 8 | ||||
| -rw-r--r-- | sysdeps/generic/unwind-pe.c | 5 | ||||
| -rw-r--r-- | sysdeps/generic/unwind-pe.h | 51 |
4 files changed, 45 insertions, 23 deletions
diff --git a/sysdeps/generic/Makefile b/sysdeps/generic/Makefile index b9ee959c5e..d741864b9c 100644 --- a/sysdeps/generic/Makefile +++ b/sysdeps/generic/Makefile @@ -38,7 +38,7 @@ endif ifeq ($(subdir),elf) ifeq (yes:yes,$(build-shared):$(unwind-find-fde)) # This is needed to support g++ v2 and v3. -sysdep_routines += framestate -shared-only-routines += framestate +sysdep_routines += framestate unwind-pe +shared-only-routines += framestate unwind-pe endif endif diff --git a/sysdeps/generic/errno.c b/sysdeps/generic/errno.c index 1c0561c2d7..88e84d3204 100644 --- a/sysdeps/generic/errno.c +++ b/sysdeps/generic/errno.c @@ -32,9 +32,11 @@ extern __thread int __libc_errno __attribute__ ((alias ("errno"))) int errno __attribute__ ((section (".bss"))); strong_alias (errno, _errno) -/* We declare these with compat_symbol so that they are not - visible at link time. Programs must use the accessor functions. */ -# if defined HAVE_ELF && defined SHARED && defined DO_VERSIONING +/* We declare these with compat_symbol so that they are not visible at + link time. Programs must use the accessor functions. RTLD is special, + since it's not exported from there at any time. */ +# if defined HAVE_ELF && defined SHARED && defined DO_VERSIONING \ + && !defined IS_IN_rtld # include <shlib-compat.h> compat_symbol (libc, errno, errno, GLIBC_2_0); compat_symbol (libc, _errno, _errno, GLIBC_2_0); diff --git a/sysdeps/generic/unwind-pe.c b/sysdeps/generic/unwind-pe.c new file mode 100644 index 0000000000..4085eb2bd1 --- /dev/null +++ b/sysdeps/generic/unwind-pe.c @@ -0,0 +1,5 @@ +#include <stdlib.h> +#include <unwind.h> + +#define _LIBC_DEFINITIONS +#include "unwind-pe.h" diff --git a/sysdeps/generic/unwind-pe.h b/sysdeps/generic/unwind-pe.h index b6a4777548..3fcd96aa5d 100644 --- a/sysdeps/generic/unwind-pe.h +++ b/sysdeps/generic/unwind-pe.h @@ -52,23 +52,43 @@ #define DW_EH_PE_indirect 0x80 -#if defined(_LIBC) && !defined(NO_BASE_OF_ENCODED_VALUE) +#if defined(_LIBC) + /* Prototypes. */ -extern unsigned int size_of_encoded_value (unsigned char encoding); +extern unsigned int size_of_encoded_value (unsigned char encoding) + attribute_hidden; + extern const unsigned char *read_encoded_value_with_base (unsigned char encoding, _Unwind_Ptr base, - const unsigned char *p, _Unwind_Ptr *val); + const unsigned char *p, _Unwind_Ptr *val) + attribute_hidden; + +extern const unsigned char * read_encoded_value + (struct _Unwind_Context *context, unsigned char encoding, + const unsigned char *p, _Unwind_Ptr *val) + attribute_hidden; +extern const unsigned char * read_uleb128 (const unsigned char *p, + _Unwind_Word *val) + attribute_hidden; +extern const unsigned char * read_sleb128 (const unsigned char *p, + _Unwind_Sword *val) + attribute_hidden; + +#endif +#if defined(_LIBC) && defined(_LIBC_DEFINITIONS) + +#ifdef _LIBC +#define STATIC #else +#define STATIC static +#endif /* Given an encoding, return the number of bytes the format occupies. This is only defined for fixed-size encodings, and so does not include leb128. */ -# ifndef _LIBC -static -# endif -unsigned int +STATIC unsigned int size_of_encoded_value (unsigned char encoding) { if (encoding == DW_EH_PE_omit) @@ -87,7 +107,6 @@ size_of_encoded_value (unsigned char encoding) } __gxx_abort (); } -#endif #ifndef NO_BASE_OF_ENCODED_VALUE @@ -96,7 +115,7 @@ size_of_encoded_value (unsigned char encoding) read_encoded_value_with_base for use when the _Unwind_Context is not available. */ -static _Unwind_Ptr +STATIC _Unwind_Ptr base_of_encoded_value (unsigned char encoding, struct _Unwind_Context *context) { if (encoding == DW_EH_PE_omit) @@ -126,7 +145,7 @@ base_of_encoded_value (unsigned char encoding, struct _Unwind_Context *context) hold any value so encoded; if it is smaller than a pointer on some target, pointers should not be leb128 encoded on that target. */ -static const unsigned char * +STATIC const unsigned char * read_uleb128 (const unsigned char *p, _Unwind_Word *val) { unsigned int shift = 0; @@ -148,7 +167,7 @@ read_uleb128 (const unsigned char *p, _Unwind_Word *val) /* Similar, but read a signed leb128 value. */ -static const unsigned char * +STATIC const unsigned char * read_sleb128 (const unsigned char *p, _Unwind_Sword *val) { unsigned int shift = 0; @@ -172,15 +191,11 @@ read_sleb128 (const unsigned char *p, _Unwind_Sword *val) return p; } -#if !(defined(_LIBC) && !defined(NO_BASE_OF_ENCODED_VALUE)) /* Load an encoded value from memory at P. The value is returned in VAL; The function returns P incremented past the value. BASE is as given by base_of_encoded_value for this encoding in the appropriate context. */ -# ifndef _LIBC -static -# endif -const unsigned char * +STATIC const unsigned char * read_encoded_value_with_base (unsigned char encoding, _Unwind_Ptr base, const unsigned char *p, _Unwind_Ptr *val) { @@ -272,14 +287,13 @@ read_encoded_value_with_base (unsigned char encoding, _Unwind_Ptr base, *val = result; return p; } -#endif #ifndef NO_BASE_OF_ENCODED_VALUE /* Like read_encoded_value_with_base, but get the base from the context rather than providing it directly. */ -static inline const unsigned char * +STATIC const unsigned char * read_encoded_value (struct _Unwind_Context *context, unsigned char encoding, const unsigned char *p, _Unwind_Ptr *val) { @@ -289,3 +303,4 @@ read_encoded_value (struct _Unwind_Context *context, unsigned char encoding, } #endif +#endif /* _LIBC */ |