Date: Thu, 4 Jul 2019 13:22:33 -0400 From: Mitchell Horne <mhorne063@gmail.com> To: Mitchell Horne <mhorne@freebsd.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: Re: svn commit: r349736 - in stable/12/contrib/elftoolchain: common readelf Message-ID: <CADeAsy0KEW-p2=cg8d-Gsqhb-ua=c%2Bjr5PEXBXdg9Z4nm%2Bz5ow@mail.gmail.com> In-Reply-To: <201907041717.x64HH1de053121@repo.freebsd.org> References: <201907041717.x64HH1de053121@repo.freebsd.org>
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On Thu, Jul 4, 2019 at 1:17 PM Mitchell Horne <mhorne@freebsd.org> wrote: > > Author: mhorne > Date: Thu Jul 4 17:17:00 2019 > New Revision: 349736 > URL: https://svnweb.freebsd.org/changeset/base/349736 > > Log: > MFC r349482,r349563: Apologies, this should read r349482,r349562. The svn mergeinfo is correct however. > readelf: Add support for RISC-V specific e_flags > > Approved by: markj (mentor, implicit) > > Modified: > stable/12/contrib/elftoolchain/common/elfdefinitions.h > stable/12/contrib/elftoolchain/readelf/readelf.c > Directory Properties: > stable/12/ (props changed) > > Modified: stable/12/contrib/elftoolchain/common/elfdefinitions.h > ============================================================================== > --- stable/12/contrib/elftoolchain/common/elfdefinitions.h Thu Jul 4 17:15:36 2019 (r349735) > +++ stable/12/contrib/elftoolchain/common/elfdefinitions.h Thu Jul 4 17:17:00 2019 (r349736) > @@ -33,7 +33,7 @@ > * See: http://www.sco.com/developers/gabi/latest/ch4.intro.html > * - The May 1998 (version 1.5) draft of "The ELF-64 object format". > * - Processor-specific ELF ABI definitions for sparc, i386, amd64, mips, > - * ia64, and powerpc processors. > + * ia64, powerpc, and RISC-V processors. > * - The "Linkers and Libraries Guide", from Sun Microsystems. > */ > > @@ -426,6 +426,22 @@ _ELF_DEFINE_EF(EF_PPC_RELOCATABLE, 0x00010000UL, \ > "-mrelocatable flag") \ > _ELF_DEFINE_EF(EF_PPC_RELOCATABLE_LIB, 0x00008000UL, \ > "-mrelocatable-lib flag") \ > +_ELF_DEFINE_EF(EF_RISCV_RVC, 0x00000001UL, \ > + "Compressed instruction extension") \ > +_ELF_DEFINE_EF(EF_RISCV_FLOAT_ABI_MASK, 0x00000006UL, \ > + "Floating point ABI") \ > +_ELF_DEFINE_EF(EF_RISCV_FLOAT_ABI_SOFT, 0x00000000UL, \ > + "Software emulated floating point") \ > +_ELF_DEFINE_EF(EF_RISCV_FLOAT_ABI_SINGLE, 0x00000002UL, \ > + "Single precision floating point") \ > +_ELF_DEFINE_EF(EF_RISCV_FLOAT_ABI_DOUBLE, 0x00000004UL, \ > + "Double precision floating point") \ > +_ELF_DEFINE_EF(EF_RISCV_FLOAT_ABI_QUAD, 0x00000006UL, \ > + "Quad precision floating point") \ > +_ELF_DEFINE_EF(EF_RISCV_RVE, 0x00000008UL, \ > + "RV32E embedded ABI") \ > +_ELF_DEFINE_EF(EF_RISCV_TSO, 0x00000010UL, \ > + "RVTSO memory consistency model") \ > _ELF_DEFINE_EF(EF_SPARC_EXT_MASK, 0x00ffff00UL, \ > "Vendor Extension mask") \ > _ELF_DEFINE_EF(EF_SPARC_32PLUS, 0x00000100UL, \ > > Modified: stable/12/contrib/elftoolchain/readelf/readelf.c > ============================================================================== > --- stable/12/contrib/elftoolchain/readelf/readelf.c Thu Jul 4 17:15:36 2019 (r349735) > +++ stable/12/contrib/elftoolchain/readelf/readelf.c Thu Jul 4 17:17:00 2019 (r349736) > @@ -420,6 +420,13 @@ static struct eflags_desc powerpc_eflags_desc[] = { > {0, NULL} > }; > > +static struct eflags_desc riscv_eflags_desc[] = { > + {EF_RISCV_RVC, "RVC"}, > + {EF_RISCV_RVE, "RVE"}, > + {EF_RISCV_TSO, "TSO"}, > + {0, NULL} > +}; > + > static struct eflags_desc sparc_eflags_desc[] = { > {EF_SPARC_32PLUS, "v8+"}, > {EF_SPARC_SUN_US1, "ultrasparcI"}, > @@ -2279,6 +2286,23 @@ dump_eflags(struct readelf *re, uint64_t e_flags) > case EM_PPC: > case EM_PPC64: > edesc = powerpc_eflags_desc; > + break; > + case EM_RISCV: > + switch (e_flags & EF_RISCV_FLOAT_ABI_MASK) { > + case EF_RISCV_FLOAT_ABI_SOFT: > + printf(", soft-float ABI"); > + break; > + case EF_RISCV_FLOAT_ABI_SINGLE: > + printf(", single-float ABI"); > + break; > + case EF_RISCV_FLOAT_ABI_DOUBLE: > + printf(", double-float ABI"); > + break; > + case EF_RISCV_FLOAT_ABI_QUAD: > + printf(", quad-float ABI"); > + break; > + } > + edesc = riscv_eflags_desc; > break; > case EM_SPARC: > case EM_SPARC32PLUS: >
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