All code compiled with GCC must be linked with libgcc. But that's okay, you can just change what GCC is and get rid of the rule. Modify the GCC source code such that it never emits calls to libgcc (perhaps only if -ffreestanding) but generates code directly instead.

GCC provides a low-level runtime library, libgcc.a or libgcc_s.so.1 on some platforms. GCC generates calls to routines in this library automatically, whenever it needs to perform some operation that is too complicated to emit inline code for.

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# create a libgcc.so, glibc reexported a number of routines from libgcc.a. # By now choosing the same version tags for these specific routines, we · # maintain enough binary compatibility to allow future versions of glibc · # to defer implementation of these routines to libgcc.so via DT_AUXILIARY.

libgcc-std.ver.in · libgcc-std.ver.in · libgcc2.c · libgcc2.c · libgcc2.h · libgcc2.h · libgcov-driver-system.c · libgcov-driver-system.c · libgcov-driver.c · libgcov-driver.c · libgcov-interface.c · libgcov-interface.c · libgcov-merge.c · libgcov-merge.c ·

android/toolchain/gcc/refs/heads/main/./gcc-4.9/libgcc/libgcc2.c ·

have a signed conversion, and have to add extra fixup code. */ else if (shift == W_TYPE_SIZE - 1) e = Wtype_MAXp1_F / 2; else · e = (Wtype)1 << shift; return f * e; #endif · } #endif · · #if (defined(L_floatundisf) && LIBGCC2_HAS_SF_MODE) \ || (defined(L_floatundidf) && LIBGCC2_HAS_DF_MODE) #define DI_SIZE (W_TYPE_SIZE * 2) #define F_MODE_OK(SIZE) \ (SIZE < DI_SIZE \ && SIZE > (DI_SIZE - SIZE + FSSIZE) \ && !AVOID_FP_TYPE_CONVERSION(SIZE)) #if defined(L_floatundisf) #define FUNC __floatundisf ·

The GNU Compiler Collection includes front ends for C, C++, Objective-C, Objective-C++, Fortran, Ada, Go, D, Modula-2, COBOL, Rust, and Algol 68 as well as libraries for these languages (libstdc++,...). GCC was originally written as the compiler for the GNU operating system.

Source code of libgcc/libgcov-util.c libgcc basepoi on KDAB Codebrowser

Source code of linux/arch/sparc/lib/libgcc.h linux v6.19-r on KDAB Codebrowser

View libgcc-13.2.1-3.fc39 in Fedora 39. libgcc: GCC version 14 shared support library

4Nportlib, 4Yportlib Bdynamic Bstatic Bsymbolic Bsymbolic-functions cxxlib dbglibs dll dynamic-linker extlnk F (Windows*) fortlib fuse-ld l L libs map MD MT nodefaultlibs nofor-main no-intel-lib, Qno-intel-lib nostartfiles nostdlib pie pthread shared shared-intel shared-libgcc static static-intel static-libgcc Syntax Arguments Default Description IDE Equivalent Alternate Options See Also static-libstdc++ T threads v Wa winapp Wl, link Wp Xlinker

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GCC provides a low-level runtime library, libgcc.a or libgcc_s.so.1 on some platforms. GCC generates calls to routines in this library automatically, whenever it needs to perform some operation that is too complicated to emit inline code for.

Mirror of gcc repo: https://gcc.gnu.org/git/gcc.git

This recipe is appended by: · This recipe in other branches of openembedded-core:

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View libgcc-14.0.1-0.15.fc40 in Fedora 40. libgcc: GCC version 15 shared support library