diff options
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | elf/Makefile | 2 | ||||
| -rw-r--r-- | elf/rtld-Rules | 2 | ||||
| -rw-r--r-- | extra-lib.mk | 2 | ||||
| -rw-r--r-- | include/errno.h | 4 | ||||
| -rw-r--r-- | include/libc-symbols.h | 5 | ||||
| -rw-r--r-- | include/netdb.h | 4 | ||||
| -rw-r--r-- | include/stap-probe.h | 12 |
8 files changed, 20 insertions, 19 deletions
@@ -1,5 +1,13 @@ 2014-11-24 Siddhesh Poyarekar <siddhesh@redhat.com> + * elf/Makefile (CPPFLAGS-.os): Remove IN_LIB. + * elf/rtld-Rules (rtld-CPPFLAGS): Likewise. + * extra-lib.mk (CPPFLAGS-$(lib)): Likewise. + * include/libc-symbols.h (IS_IN_LIB): New macro. + * include/errno.h: Use IS_IN_LIB instead of IN_LIB. + * include/netdb.h: Likewise. + * include/stap-probe.h: Remove all uses of IN_LIB. + * Makeconfig (module-cppflags-real): Define MODULE_NAME instead of IN_MODULE. * include/libc-symbols.h (IN_MODULE): Define using diff --git a/elf/Makefile b/elf/Makefile index f013c22..1cf4c3a 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -443,7 +443,7 @@ CFLAGS-cache.c = $(SYSCONF-FLAGS) CFLAGS-rtld.c = $(SYSCONF-FLAGS) CPPFLAGS-.os += $(if $(filter $(@F),$(patsubst %,%.os,$(all-rtld-routines))),\ - -DNOT_IN_libc=1 -DIS_IN_rtld=1 -DIN_LIB=rtld) + -DNOT_IN_libc=1 -DIS_IN_rtld=1) cpp-srcs-left := $(all-rtld-routines:=.os) lib := rtld diff --git a/elf/rtld-Rules b/elf/rtld-Rules index f2cc4a1..4d22436 100644 --- a/elf/rtld-Rules +++ b/elf/rtld-Rules @@ -144,6 +144,6 @@ lib := rtld include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left)) # This here is the whole point of all the shenanigans. -rtld-CPPFLAGS := -DNOT_IN_libc=1 -DIS_IN_rtld=1 -DIN_LIB=rtld +rtld-CPPFLAGS := -DNOT_IN_libc=1 -DIS_IN_rtld=1 endif diff --git a/extra-lib.mk b/extra-lib.mk index fd8812c..c719bd9 100644 --- a/extra-lib.mk +++ b/extra-lib.mk @@ -106,4 +106,4 @@ ifneq (,$(cpp-srcs-left)) include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left)) endif -CPPFLAGS-$(lib) := -DNOT_IN_libc=1 -DIS_IN_$(lib)=1 -DIN_LIB=$(lib) +CPPFLAGS-$(lib) := -DNOT_IN_libc=1 -DIS_IN_$(lib)=1 diff --git a/include/errno.h b/include/errno.h index dbf2a61..8e60288 100644 --- a/include/errno.h +++ b/include/errno.h @@ -22,7 +22,7 @@ # define errno rtld_errno extern int rtld_errno attribute_hidden; -# elif !defined NOT_IN_libc || defined IN_LIB +# elif !defined NOT_IN_libc || IS_IN_LIB # include <tls.h> @@ -34,7 +34,7 @@ extern int rtld_errno attribute_hidden; # endif extern __thread int errno attribute_tls_model_ie; -# endif /* !NOT_IN_libc || IN_LIB */ +# endif /* !NOT_IN_libc || IS_IN_LIB */ # define __set_errno(val) (errno = (val)) diff --git a/include/libc-symbols.h b/include/libc-symbols.h index 5cbf473..52350d3 100644 --- a/include/libc-symbols.h +++ b/include/libc-symbols.h @@ -23,6 +23,11 @@ #define IN_MODULE PASTE_NAME (MODULE_, MODULE_NAME) #define IS_IN(lib) (IN_MODULE == MODULE_##lib) +/* Returns true if the current module is a versioned library. Versioned + library names culled from shlib-versions files are assigned a MODULE_* + value lower than MODULE_LIBS_BEGIN. */ +#define IS_IN_LIB (IN_MODULE > MODULE_LIBS_BEGIN) + #define PASTE_NAME(a,b) PASTE_NAME1 (a,b) #define PASTE_NAME1(a,b) a##b diff --git a/include/netdb.h b/include/netdb.h index a7960eb..eccdbe6 100644 --- a/include/netdb.h +++ b/include/netdb.h @@ -4,7 +4,7 @@ #ifndef _ISOMAC /* Macros for accessing h_errno from inside libc. */ -# if !defined NOT_IN_libc || defined IN_LIB +# if !defined NOT_IN_libc || IS_IN_LIB # undef h_errno # ifndef NOT_IN_libc # define h_errno __libc_h_errno @@ -12,7 +12,7 @@ # define h_errno h_errno /* For #ifndef h_errno tests. */ # endif extern __thread int h_errno attribute_tls_model_ie; -# endif /* !NOT_IN_libc || IN_LIB */ +# endif /* !NOT_IN_libc || IS_IN_LIB */ # define __set_h_errno(x) (h_errno = (x)) libc_hidden_proto (hstrerror) diff --git a/include/stap-probe.h b/include/stap-probe.h index 150fc1e..6532b37 100644 --- a/include/stap-probe.h +++ b/include/stap-probe.h @@ -40,18 +40,6 @@ architecture specific and can be found in the gdb and SystemTap source code. */ -# ifndef NOT_IN_libc -# define IN_LIB libc -# elif !defined IN_LIB -/* This is intentionally defined with extra unquoted commas in it so - that macro substitution will bomb out when it is used. We don't - just use #error here, so that this header can be included by - other headers that use LIBC_PROBE inside their own macros. We - only want such headers to fail to compile if those macros are - actually used in a context where IN_LIB has not been defined. */ -# define IN_LIB ,,,missing -DIN_LIB=... -- not extra-lib.mk?,,, -# endif - # define LIBC_PROBE(name, n, ...) \ LIBC_PROBE_1 (MODULE_NAME, name, n, ## __VA_ARGS__) |