From 8be94df6e9f5f70516cb86d82dd04fefaa0fe8b3 Mon Sep 17 00:00:00 2001 From: Ricardo Salveti Date: Mon, 18 Jul 2016 15:30:06 -0300 Subject: Imported Upstream version 16.07-rc2 Change-Id: Ie9e8ec528a2a0dace085c5e44aa7fa3b489d4ba0 Signed-off-by: Ricardo Salveti Signed-off-by: Christian Ehrhardt --- buildtools/pmdinfogen/pmdinfogen.h | 120 +++++++++++++++++++++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 buildtools/pmdinfogen/pmdinfogen.h (limited to 'buildtools/pmdinfogen/pmdinfogen.h') diff --git a/buildtools/pmdinfogen/pmdinfogen.h b/buildtools/pmdinfogen/pmdinfogen.h new file mode 100644 index 00000000..1da2966f --- /dev/null +++ b/buildtools/pmdinfogen/pmdinfogen.h @@ -0,0 +1,120 @@ + +/* Postprocess pmd object files to export hw support + * + * Copyright 2016 Neil Horman + * Based in part on modpost.c from the linux kernel + * + * This software may be used and distributed according to the terms + * of the GNU General Public License V2, incorporated herein by reference. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* On BSD-alike OSes elf.h defines these according to host's word size */ +#undef ELF_ST_BIND +#undef ELF_ST_TYPE +#undef ELF_R_SYM +#undef ELF_R_TYPE + +/* + * Define ELF64_* to ELF_*, the latter being defined in both 32 and 64 bit + * flavors in elf.h. This makes our code a bit more generic between arches + * and allows us to support 32 bit code in the future should we ever want to + */ +#ifdef RTE_ARCH_64 +#define Elf_Ehdr Elf64_Ehdr +#define Elf_Shdr Elf64_Shdr +#define Elf_Sym Elf64_Sym +#define Elf_Addr Elf64_Addr +#define Elf_Sword Elf64_Sxword +#define Elf_Section Elf64_Half +#define ELF_ST_BIND ELF64_ST_BIND +#define ELF_ST_TYPE ELF64_ST_TYPE + +#define Elf_Rel Elf64_Rel +#define Elf_Rela Elf64_Rela +#define ELF_R_SYM ELF64_R_SYM +#define ELF_R_TYPE ELF64_R_TYPE +#else +#define Elf_Ehdr Elf32_Ehdr +#define Elf_Shdr Elf32_Shdr +#define Elf_Sym Elf32_Sym +#define Elf_Addr Elf32_Addr +#define Elf_Sword Elf32_Sxword +#define Elf_Section Elf32_Half +#define ELF_ST_BIND ELF32_ST_BIND +#define ELF_ST_TYPE ELF32_ST_TYPE + +#define Elf_Rel Elf32_Rel +#define Elf_Rela Elf32_Rela +#define ELF_R_SYM ELF32_R_SYM +#define ELF_R_TYPE ELF32_R_TYPE +#endif + + +/* + * Note, it seems odd that we have both a CONVERT_NATIVE and a TO_NATIVE macro + * below. We do this because the values passed to TO_NATIVE may themselves be + * macros and need both macros here to get expanded. Specifically its the width + * variable we are concerned with, because it needs to get expanded prior to + * string concatenation + */ +#define CONVERT_NATIVE(fend, width, x) ({ \ +typeof(x) ___x; \ +if ((fend) == ELFDATA2LSB) \ + ___x = rte_le_to_cpu_##width(x); \ +else \ + ___x = rte_be_to_cpu_##width(x); \ + ___x; \ +}) + +#define TO_NATIVE(fend, width, x) CONVERT_NATIVE(fend, width, x) + +enum opt_params { + PMD_PARAM_STRING = 0, + PMD_OPT_MAX +}; + +struct pmd_driver { + Elf_Sym *name_sym; + const char *name; + struct rte_pci_id *pci_tbl; + struct pmd_driver *next; + + const char *opt_vals[PMD_OPT_MAX]; +}; + +struct elf_info { + unsigned long size; + Elf_Ehdr *hdr; + Elf_Shdr *sechdrs; + Elf_Sym *symtab_start; + Elf_Sym *symtab_stop; + char *strtab; + + /* support for 32bit section numbers */ + + unsigned int num_sections; /* max_secindex + 1 */ + unsigned int secindex_strings; + /* if Nth symbol table entry has .st_shndx = SHN_XINDEX, + * take shndx from symtab_shndx_start[N] instead + */ + Elf32_Word *symtab_shndx_start; + Elf32_Word *symtab_shndx_stop; + + struct pmd_driver *drivers; +}; + -- cgit 1.2.3-korg