diff options
Diffstat (limited to 'lib/libc/include')
| -rw-r--r-- | lib/libc/include/auxv.h | 53 | ||||
| -rw-r--r-- | lib/libc/include/elf.h | 499 | ||||
| -rw-r--r-- | lib/libc/include/stddef.h | 35 | ||||
| -rw-r--r-- | lib/libc/include/stdint.h | 110 | ||||
| -rw-r--r-- | lib/libc/include/sys/syscall.h | 117 |
5 files changed, 814 insertions, 0 deletions
diff --git a/lib/libc/include/auxv.h b/lib/libc/include/auxv.h new file mode 100644 index 0000000..307d031 --- /dev/null +++ b/lib/libc/include/auxv.h @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _AUXV_H +#define _AUXV_H + +#define AT_NULL 0 +#define AT_ENTRY 1 +#define AT_PHDR 2 +#define AT_PHENT 3 +#define AT_PHNUM 4 +#define AT_EXECPATH 5 +#define AT_SECURE 6 +#define AT_RANDOM 7 +#define AT_EXECFN 8 + +#define AT_MAX_COUNT 9 + +struct auxv_entry { + uint64_t tag; + union { + uint64_t val; + void* ptr; + }; +}; + +#endif /* _AUXV_H */ diff --git a/lib/libc/include/elf.h b/lib/libc/include/elf.h new file mode 100644 index 0000000..af2d65a --- /dev/null +++ b/lib/libc/include/elf.h @@ -0,0 +1,499 @@ +/* + * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SYS_ELF_H_ +#define _SYS_ELF_H_ + +#include <sys/types.h> + +/* Type for a 16-bit quantity. */ +typedef uint16_t Elf32_Half; +typedef uint16_t Elf64_Half; + +/* Types for signed and unsigned 32-bit quantities. */ +typedef uint32_t Elf32_Word; +typedef int32_t Elf32_Sword; +typedef uint32_t Elf64_Word; +typedef int32_t Elf64_Sword; + +/* Types for signed and unsigned 64-bit quantities. */ +typedef uint64_t Elf32_Xword; +typedef int64_t Elf32_Sxword; +typedef uint64_t Elf64_Xword; +typedef int64_t Elf64_Sxword; + +/* Type of addresses. */ +typedef uint32_t Elf32_Addr; +typedef uint64_t Elf64_Addr; + +/* Type of file offsets. */ +typedef uint32_t Elf32_Off; +typedef uint64_t Elf64_Off; + +/* Type for section indices, which are 16-bit quantities. */ +typedef uint16_t Elf32_Section; +typedef uint16_t Elf64_Section; + +/* Type for version symbol information. */ +typedef Elf32_Half Elf32_Versym; +typedef Elf64_Half Elf64_Versym; + +#define EI_MAG0 0 /* File identification byte 0 index */ +#define ELFMAG0 0x7f /* Magic number byte 0 */ + +#define EI_MAG1 1 /* File identification byte 1 index */ +#define ELFMAG1 'E' /* Magic number byte 1 */ + +#define EI_MAG2 2 /* File identification byte 2 index */ +#define ELFMAG2 'L' /* Magic number byte 2 */ + +#define EI_MAG3 3 /* File identification byte 3 index */ +#define ELFMAG3 'F' /* Magic number byte 3 */ + +/* Conglomeration of the identification bytes, for easy testing as a word. */ +#define ELFMAG "\177ELF" +#define SELFMAG 4 + +#define EI_CLASS 4 /* File class byte index */ +#define ELFCLASSNONE 0 /* Invalid class */ +#define ELFCLASS32 1 /* 32-bit objects */ +#define ELFCLASS64 2 /* 64-bit objects */ +#define ELFCLASSNUM 3 + +#define EI_DATA 5 /* Data encoding byte index */ +#define ELFDATANONE 0 /* Invalid data encoding */ +#define ELFDATA2LSB 1 /* 2's complement, little endian */ +#define ELFDATA2MSB 2 /* 2's complement, big endian */ +#define ELFDATANUM 3 + +#define EI_VERSION 6 /* File version byte index */ + /* Value must be EV_CURRENT */ + +#define EI_OSABI 7 /* OS ABI identification */ +#define ELFOSABI_NONE 0 /* UNIX System V ABI */ +#define ELFOSABI_SYSV 0 /* Alias. */ +#define ELFOSABI_HPUX 1 /* HP-UX */ +#define ELFOSABI_NETBSD 2 /* NetBSD. */ +#define ELFOSABI_GNU 3 /* Object uses GNU ELF extensions. */ +#define ELFOSABI_LINUX ELFOSABI_GNU /* Compatibility alias. */ +#define ELFOSABI_SOLARIS 6 /* Sun Solaris. */ +#define ELFOSABI_AIX 7 /* IBM AIX. */ +#define ELFOSABI_IRIX 8 /* SGI Irix. */ +#define ELFOSABI_FREEBSD 9 /* FreeBSD. */ +#define ELFOSABI_TRU64 10 /* Compaq TRU64 UNIX. */ +#define ELFOSABI_MODESTO 11 /* Novell Modesto. */ +#define ELFOSABI_OPENBSD 12 /* OpenBSD. */ +#define ELFOSABI_ARM_AEABI 64 /* ARM EABI */ +#define ELFOSABI_ARM 97 /* ARM */ +#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ + +#define EI_ABIVERSION 8 /* ABI version */ + +#define EI_PAD 9 /* Byte index of padding bytes */ + +/* Legal values for e_type (object file type). */ + +#define ET_NONE 0 /* No file type */ +#define ET_REL 1 /* Relocatable file */ +#define ET_EXEC 2 /* Executable file */ +#define ET_DYN 3 /* Shared object file */ +#define ET_CORE 4 /* Core file */ +#define ET_NUM 5 /* Number of defined types */ +#define ET_LOOS 0xfe00 /* OS-specific range start */ +#define ET_HIOS 0xfeff /* OS-specific range end */ +#define ET_LOPROC 0xff00 /* Processor-specific range start */ +#define ET_HIPROC 0xffff /* Processor-specific range end */ + +/* Legal values for e_machine (architecture). */ + +#define EM_NONE 0 /* No machine */ +#define EM_M32 1 /* AT&T WE 32100 */ +#define EM_SPARC 2 /* SUN SPARC */ +#define EM_386 3 /* Intel 80386 */ +#define EM_68K 4 /* Motorola m68k family */ +#define EM_88K 5 /* Motorola m88k family */ +#define EM_IAMCU 6 /* Intel MCU */ +#define EM_860 7 /* Intel 80860 */ +#define EM_MIPS 8 /* MIPS R3000 big-endian */ +#define EM_S370 9 /* IBM System/370 */ +#define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian */ + /* reserved 11-14 */ +#define EM_PARISC 15 /* HPPA */ + /* reserved 16 */ +#define EM_VPP500 17 /* Fujitsu VPP500 */ +#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ +#define EM_960 19 /* Intel 80960 */ +#define EM_PPC 20 /* PowerPC */ +#define EM_PPC64 21 /* PowerPC 64-bit */ +#define EM_S390 22 /* IBM S390 */ +#define EM_SPU 23 /* IBM SPU/SPC */ + /* reserved 24-35 */ +#define EM_V800 36 /* NEC V800 series */ +#define EM_FR20 37 /* Fujitsu FR20 */ +#define EM_RH32 38 /* TRW RH-32 */ +#define EM_RCE 39 /* Motorola RCE */ +#define EM_ARM 40 /* ARM */ +#define EM_FAKE_ALPHA 41 /* Digital Alpha */ +#define EM_SH 42 /* Hitachi SH */ +#define EM_SPARCV9 43 /* SPARC v9 64-bit */ +#define EM_TRICORE 44 /* Siemens Tricore */ +#define EM_ARC 45 /* Argonaut RISC Core */ +#define EM_H8_300 46 /* Hitachi H8/300 */ +#define EM_H8_300H 47 /* Hitachi H8/300H */ +#define EM_H8S 48 /* Hitachi H8S */ +#define EM_H8_500 49 /* Hitachi H8/500 */ +#define EM_IA_64 50 /* Intel Merced */ +#define EM_MIPS_X 51 /* Stanford MIPS-X */ +#define EM_COLDFIRE 52 /* Motorola Coldfire */ +#define EM_68HC12 53 /* Motorola M68HC12 */ +#define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator */ +#define EM_PCP 55 /* Siemens PCP */ +#define EM_NCPU 56 /* Sony nCPU embeeded RISC */ +#define EM_NDR1 57 /* Denso NDR1 microprocessor */ +#define EM_STARCORE 58 /* Motorola Start*Core processor */ +#define EM_ME16 59 /* Toyota ME16 processor */ +#define EM_ST100 60 /* STMicroelectronic ST100 processor */ +#define EM_TINYJ 61 /* Advanced Logic Corp. Tinyj emb.fam */ +#define EM_X86_64 62 /* AMD x86-64 architecture */ +#define EM_PDSP 63 /* Sony DSP Processor */ +#define EM_PDP10 64 /* Digital PDP-10 */ +#define EM_PDP11 65 /* Digital PDP-11 */ +#define EM_FX66 66 /* Siemens FX66 microcontroller */ +#define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 mc */ +#define EM_ST7 68 /* STmicroelectronics ST7 8 bit mc */ +#define EM_68HC16 69 /* Motorola MC68HC16 microcontroller */ +#define EM_68HC11 70 /* Motorola MC68HC11 microcontroller */ +#define EM_68HC08 71 /* Motorola MC68HC08 microcontroller */ +#define EM_68HC05 72 /* Motorola MC68HC05 microcontroller */ +#define EM_SVX 73 /* Silicon Graphics SVx */ +#define EM_ST19 74 /* STMicroelectronics ST19 8 bit mc */ +#define EM_VAX 75 /* Digital VAX */ +#define EM_CRIS 76 /* Axis Communications 32-bit emb.proc */ +#define EM_JAVELIN 77 /* Infineon Technologies 32-bit emb.proc */ +#define EM_FIREPATH 78 /* Element 14 64-bit DSP Processor */ +#define EM_ZSP 79 /* LSI Logic 16-bit DSP Processor */ +#define EM_MMIX 80 /* Donald Knuth's educational 64-bit proc */ +#define EM_HUANY 81 /* Harvard University machine-independent object files */ +#define EM_PRISM 82 /* SiTera Prism */ +#define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */ +#define EM_FR30 84 /* Fujitsu FR30 */ +#define EM_D10V 85 /* Mitsubishi D10V */ +#define EM_D30V 86 /* Mitsubishi D30V */ +#define EM_V850 87 /* NEC v850 */ +#define EM_M32R 88 /* Mitsubishi M32R */ +#define EM_MN10300 89 /* Matsushita MN10300 */ +#define EM_MN10200 90 /* Matsushita MN10200 */ +#define EM_PJ 91 /* picoJava */ +#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ +#define EM_ARC_COMPACT 93 /* ARC International ARCompact */ +#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ +#define EM_VIDEOCORE 95 /* Alphamosaic VideoCore */ +#define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Proc */ +#define EM_NS32K 97 /* National Semi. 32000 */ +#define EM_TPC 98 /* Tenor Network TPC */ +#define EM_SNP1K 99 /* Trebia SNP 1000 */ +#define EM_ST200 100 /* STMicroelectronics ST200 */ +#define EM_IP2K 101 /* Ubicom IP2xxx */ +#define EM_MAX 102 /* MAX processor */ +#define EM_CR 103 /* National Semi. CompactRISC */ +#define EM_F2MC16 104 /* Fujitsu F2MC16 */ +#define EM_MSP430 105 /* Texas Instruments msp430 */ +#define EM_BLACKFIN 106 /* Analog Devices Blackfin DSP */ +#define EM_SE_C33 107 /* Seiko Epson S1C33 family */ +#define EM_SEP 108 /* Sharp embedded microprocessor */ +#define EM_ARCA 109 /* Arca RISC */ +#define EM_UNICORE 110 /* PKU-Unity & MPRC Peking Uni. mc series */ +#define EM_EXCESS 111 /* eXcess configurable cpu */ +#define EM_DXP 112 /* Icera Semi. Deep Execution Processor */ +#define EM_ALTERA_NIOS2 113 /* Altera Nios II */ +#define EM_CRX 114 /* National Semi. CompactRISC CRX */ +#define EM_XGATE 115 /* Motorola XGATE */ +#define EM_C166 116 /* Infineon C16x/XC16x */ +#define EM_M16C 117 /* Renesas M16C */ +#define EM_DSPIC30F 118 /* Microchip Technology dsPIC30F */ +#define EM_CE 119 /* Freescale Communication Engine RISC */ +#define EM_M32C 120 /* Renesas M32C */ + /* reserved 121-130 */ +#define EM_TSK3000 131 /* Altium TSK3000 */ +#define EM_RS08 132 /* Freescale RS08 */ +#define EM_SHARC 133 /* Analog Devices SHARC family */ +#define EM_ECOG2 134 /* Cyan Technology eCOG2 */ +#define EM_SCORE7 135 /* Sunplus S+core7 RISC */ +#define EM_DSP24 136 /* New Japan Radio (NJR) 24-bit DSP */ +#define EM_VIDEOCORE3 137 /* Broadcom VideoCore III */ +#define EM_LATTICEMICO32 138 /* RISC for Lattice FPGA */ +#define EM_SE_C17 139 /* Seiko Epson C17 */ +#define EM_TI_C6000 140 /* Texas Instruments TMS320C6000 DSP */ +#define EM_TI_C2000 141 /* Texas Instruments TMS320C2000 DSP */ +#define EM_TI_C5500 142 /* Texas Instruments TMS320C55x DSP */ +#define EM_TI_ARP32 143 /* Texas Instruments App. Specific RISC */ +#define EM_TI_PRU 144 /* Texas Instruments Prog. Realtime Unit */ + /* reserved 145-159 */ +#define EM_MMDSP_PLUS 160 /* STMicroelectronics 64bit VLIW DSP */ +#define EM_CYPRESS_M8C 161 /* Cypress M8C */ +#define EM_R32C 162 /* Renesas R32C */ +#define EM_TRIMEDIA 163 /* NXP Semi. TriMedia */ +#define EM_QDSP6 164 /* QUALCOMM DSP6 */ +#define EM_8051 165 /* Intel 8051 and variants */ +#define EM_STXP7X 166 /* STMicroelectronics STxP7x */ +#define EM_NDS32 167 /* Andes Tech. compact code emb. RISC */ +#define EM_ECOG1X 168 /* Cyan Technology eCOG1X */ +#define EM_MAXQ30 169 /* Dallas Semi. MAXQ30 mc */ +#define EM_XIMO16 170 /* New Japan Radio (NJR) 16-bit DSP */ +#define EM_MANIK 171 /* M2000 Reconfigurable RISC */ +#define EM_CRAYNV2 172 /* Cray NV2 vector architecture */ +#define EM_RX 173 /* Renesas RX */ +#define EM_METAG 174 /* Imagination Tech. META */ +#define EM_MCST_ELBRUS 175 /* MCST Elbrus */ +#define EM_ECOG16 176 /* Cyan Technology eCOG16 */ +#define EM_CR16 177 /* National Semi. CompactRISC CR16 */ +#define EM_ETPU 178 /* Freescale Extended Time Processing Unit */ +#define EM_SLE9X 179 /* Infineon Tech. SLE9X */ +#define EM_L10M 180 /* Intel L10M */ +#define EM_K10M 181 /* Intel K10M */ + /* reserved 182 */ +#define EM_AARCH64 183 /* ARM AARCH64 */ + /* reserved 184 */ +#define EM_AVR32 185 /* Amtel 32-bit microprocessor */ +#define EM_STM8 186 /* STMicroelectronics STM8 */ +#define EM_TILE64 187 /* Tileta TILE64 */ +#define EM_TILEPRO 188 /* Tilera TILEPro */ +#define EM_MICROBLAZE 189 /* Xilinx MicroBlaze */ +#define EM_CUDA 190 /* NVIDIA CUDA */ +#define EM_TILEGX 191 /* Tilera TILE-Gx */ +#define EM_CLOUDSHIELD 192 /* CloudShield */ +#define EM_COREA_1ST 193 /* KIPO-KAIST Core-A 1st gen. */ +#define EM_COREA_2ND 194 /* KIPO-KAIST Core-A 2nd gen. */ +#define EM_ARC_COMPACT2 195 /* Synopsys ARCompact V2 */ +#define EM_OPEN8 196 /* Open8 RISC */ +#define EM_RL78 197 /* Renesas RL78 */ +#define EM_VIDEOCORE5 198 /* Broadcom VideoCore V */ +#define EM_78KOR 199 /* Renesas 78KOR */ +#define EM_56800EX 200 /* Freescale 56800EX DSC */ +#define EM_BA1 201 /* Beyond BA1 */ +#define EM_BA2 202 /* Beyond BA2 */ +#define EM_XCORE 203 /* XMOS xCORE */ +#define EM_MCHP_PIC 204 /* Microchip 8-bit PIC(r) */ + /* reserved 205-209 */ +#define EM_KM32 210 /* KM211 KM32 */ +#define EM_KMX32 211 /* KM211 KMX32 */ +#define EM_EMX16 212 /* KM211 KMX16 */ +#define EM_EMX8 213 /* KM211 KMX8 */ +#define EM_KVARC 214 /* KM211 KVARC */ +#define EM_CDP 215 /* Paneve CDP */ +#define EM_COGE 216 /* Cognitive Smart Memory Processor */ +#define EM_COOL 217 /* Bluechip CoolEngine */ +#define EM_NORC 218 /* Nanoradio Optimized RISC */ +#define EM_CSR_KALIMBA 219 /* CSR Kalimba */ +#define EM_Z80 220 /* Zilog Z80 */ +#define EM_VISIUM 221 /* Controls and Data Services VISIUMcore */ +#define EM_FT32 222 /* FTDI Chip FT32 */ +#define EM_MOXIE 223 /* Moxie processor */ +#define EM_AMDGPU 224 /* AMD GPU */ + /* reserved 225-242 */ +#define EM_RISCV 243 /* RISC-V */ + +#define EM_BPF 247 /* Linux BPF -- in-kernel virtual machine */ + +#define EM_NUM 248 + +/* Old spellings/synonyms. */ + +#define EM_ARC_A5 EM_ARC_COMPACT + +/* If it is necessary to assign new unofficial EM_* values, please + pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the + chances of collision with official or non-GNU unofficial values. */ + +#define EM_ALPHA 0x9026 + +/* Legal values for e_version (version). */ + +#define EV_NONE 0 /* Invalid ELF version */ +#define EV_CURRENT 1 /* Current version */ +#define EV_NUM 2 + +#define EI_NIDENT (16) + +#define PT_NULL 0 /* Program header table entry unused */ +#define PT_LOAD 1 /* Loadable program segment */ +#define PT_DYNAMIC 2 /* Dynamic linking information */ +#define PT_INTERP 3 /* Program interpreter */ +#define PT_NOTE 4 /* Auxiliary information */ +#define PT_SHLIB 5 /* Reserved */ +#define PT_PHDR 6 /* Entry for header table itself */ +#define PT_TLS 7 /* Thread-local storage segment */ +#define PT_NUM 8 /* Number of defined types */ +#define PT_LOOS 0x60000000 /* Start of OS-specific */ +#define PT_GNU_EH_FRAME 0x6474e550 /* GCC .eh_frame_hdr segment */ +#define PT_GNU_STACK 0x6474e551 /* Indicates stack executability */ +#define PT_GNU_RELRO 0x6474e552 /* Read-only after relocation */ +#define PT_LOSUNW 0x6ffffffa +#define PT_SUNWBSS 0x6ffffffa /* Sun Specific segment */ +#define PT_SUNWSTACK 0x6ffffffb /* Stack segment */ +#define PT_HISUNW 0x6fffffff +#define PT_HIOS 0x6fffffff /* End of OS-specific */ +#define PT_LOPROC 0x70000000 /* Start of processor-specific */ +#define PT_HIPROC 0x7fffffff /* End of processor-specific */ + +/* Legal values for p_flags (segment flags). */ + +#define PF_X (1 << 0) /* Segment is executable */ +#define PF_W (1 << 1) /* Segment is writable */ +#define PF_R (1 << 2) /* Segment is readable */ +#define PF_MASKOS 0x0ff00000 /* OS-specific */ +#define PF_MASKPROC 0xf0000000 /* Processor-specific */ + +/* Legal values for note segment descriptor types for core files. */ + +#define NT_PRSTATUS 1 /* Contains copy of prstatus struct */ +#define NT_PRFPREG 2 /* Contains copy of fpregset + struct. */ +#define NT_FPREGSET 2 /* Contains copy of fpregset struct */ +#define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */ +#define NT_PRXREG 4 /* Contains copy of prxregset struct */ +#define NT_TASKSTRUCT 4 /* Contains copy of task structure */ +#define NT_PLATFORM 5 /* String from sysinfo(SI_PLATFORM) */ +#define NT_AUXV 6 /* Contains copy of auxv array */ +#define NT_GWINDOWS 7 /* Contains copy of gwindows struct */ +#define NT_ASRS 8 /* Contains copy of asrset struct */ +#define NT_PSTATUS 10 /* Contains copy of pstatus struct */ +#define NT_PSINFO 13 /* Contains copy of psinfo struct */ +#define NT_PRCRED 14 /* Contains copy of prcred struct */ +#define NT_UTSNAME 15 /* Contains copy of utsname struct */ +#define NT_LWPSTATUS 16 /* Contains copy of lwpstatus struct */ +#define NT_LWPSINFO 17 /* Contains copy of lwpinfo struct */ +#define NT_PRFPXREG 20 /* Contains copy of fprxregset struct */ +#define NT_SIGINFO 0x53494749 /* Contains copy of siginfo_t, + size might increase */ +#define NT_FILE 0x46494c45 /* Contains information about mapped + files */ +#define NT_PRXFPREG 0x46e62b7f /* Contains copy of user_fxsr_struct */ +#define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */ +#define NT_PPC_SPE 0x101 /* PowerPC SPE/EVR registers */ +#define NT_PPC_VSX 0x102 /* PowerPC VSX registers */ +#define NT_PPC_TAR 0x103 /* Target Address Register */ +#define NT_PPC_PPR 0x104 /* Program Priority Register */ +#define NT_PPC_DSCR 0x105 /* Data Stream Control Register */ +#define NT_PPC_EBB 0x106 /* Event Based Branch Registers */ +#define NT_PPC_PMU 0x107 /* Performance Monitor Registers */ +#define NT_PPC_TM_CGPR 0x108 /* TM checkpointed GPR Registers */ +#define NT_PPC_TM_CFPR 0x109 /* TM checkpointed FPR Registers */ +#define NT_PPC_TM_CVMX 0x10a /* TM checkpointed VMX Registers */ +#define NT_PPC_TM_CVSX 0x10b /* TM checkpointed VSX Registers */ +#define NT_PPC_TM_SPR 0x10c /* TM Special Purpose Registers */ +#define NT_PPC_TM_CTAR 0x10d /* TM checkpointed Target Address + Register */ +#define NT_PPC_TM_CPPR 0x10e /* TM checkpointed Program Priority + Register */ +#define NT_PPC_TM_CDSCR 0x10f /* TM checkpointed Data Stream Control + Register */ +#define NT_PPC_PKEY 0x110 /* Memory Protection Keys + registers. */ +#define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */ +#define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */ +#define NT_X86_XSTATE 0x202 /* x86 extended state using xsave */ +#define NT_S390_HIGH_GPRS 0x300 /* s390 upper register halves */ +#define NT_S390_TIMER 0x301 /* s390 timer register */ +#define NT_S390_TODCMP 0x302 /* s390 TOD clock comparator register */ +#define NT_S390_TODPREG 0x303 /* s390 TOD programmable register */ +#define NT_S390_CTRS 0x304 /* s390 control registers */ +#define NT_S390_PREFIX 0x305 /* s390 prefix register */ +#define NT_S390_LAST_BREAK 0x306 /* s390 breaking event address */ +#define NT_S390_SYSTEM_CALL 0x307 /* s390 system call restart data */ +#define NT_S390_TDB 0x308 /* s390 transaction diagnostic block */ +#define NT_S390_VXRS_LOW 0x309 /* s390 vector registers 0-15 + upper half. */ +#define NT_S390_VXRS_HIGH 0x30a /* s390 vector registers 16-31. */ +#define NT_S390_GS_CB 0x30b /* s390 guarded storage registers. */ +#define NT_S390_GS_BC 0x30c /* s390 guarded storage + broadcast control block. */ +#define NT_S390_RI_CB 0x30d /* s390 runtime instrumentation. */ +#define NT_ARM_VFP 0x400 /* ARM VFP/NEON registers */ +#define NT_ARM_TLS 0x401 /* ARM TLS register */ +#define NT_ARM_HW_BREAK 0x402 /* ARM hardware breakpoint registers */ +#define NT_ARM_HW_WATCH 0x403 /* ARM hardware watchpoint registers */ +#define NT_ARM_SYSTEM_CALL 0x404 /* ARM system call number */ +#define NT_ARM_SVE 0x405 /* ARM Scalable Vector Extension + registers */ +#define NT_VMCOREDD 0x700 /* Vmcore Device Dump Note. */ + +/* Legal values for the note segment descriptor types for object files. */ + +#define NT_VERSION 1 /* Contains a version string. */ + +typedef struct +{ + unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ + Elf64_Half e_type; /* Object file type */ + Elf64_Half e_machine; /* Architecture */ + Elf64_Word e_version; /* Object file version */ + Elf64_Addr e_entry; /* Entry point virtual address */ + Elf64_Off e_phoff; /* Program header table file offset */ + Elf64_Off e_shoff; /* Section header table file offset */ + Elf64_Word e_flags; /* Processor-specific flags */ + Elf64_Half e_ehsize; /* ELF header size in bytes */ + Elf64_Half e_phentsize; /* Program header table entry size */ + Elf64_Half e_phnum; /* Program header table entry count */ + Elf64_Half e_shentsize; /* Section header table entry size */ + Elf64_Half e_shnum; /* Section header table entry count */ + Elf64_Half e_shstrndx; /* Section header string table index */ +} Elf64_Ehdr; + +typedef struct +{ + Elf64_Word p_type; /* Segment type */ + Elf64_Word p_flags; /* Segment flags */ + Elf64_Off p_offset; /* Segment file offset */ + Elf64_Addr p_vaddr; /* Segment virtual address */ + Elf64_Addr p_paddr; /* Segment physical address */ + Elf64_Xword p_filesz; /* Segment size in file */ + Elf64_Xword p_memsz; /* Segment size in memory */ + Elf64_Xword p_align; /* Segment alignment */ +} Elf64_Phdr; + +typedef struct { + Elf64_Addr r_offset; /* Location at which to apply the action */ + Elf64_Xword r_info; /* index and type of relocation */ +} Elf64_Rel; + +typedef struct { + Elf64_Word sh_name; /* Section name, index in string tbl */ + Elf64_Word sh_type; /* Type of section */ + Elf64_Xword sh_flags; /* Miscellaneous section attributes */ + Elf64_Addr sh_addr; /* Section virtual addr at execution */ + Elf64_Off sh_offset; /* Section file offset */ + Elf64_Xword sh_size; /* Size of section in bytes */ + Elf64_Word sh_link; /* Index of another section */ + Elf64_Word sh_info; /* Additional section information */ + Elf64_Xword sh_addralign; /* Section alignment */ + Elf64_Xword sh_entsize; /* Entry size if section holds table */ +} Elf64_Shdr; + +#endif /* _SYS_ELF_H_ */ diff --git a/lib/libc/include/stddef.h b/lib/libc/include/stddef.h new file mode 100644 index 0000000..ba469c1 --- /dev/null +++ b/lib/libc/include/stddef.h @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _STDDEF_H +#define _STDDEF_H + +#define NULL ((void *) 0) + +#endif /* !_STDDEF_H */ diff --git a/lib/libc/include/stdint.h b/lib/libc/include/stdint.h new file mode 100644 index 0000000..2fb0752 --- /dev/null +++ b/lib/libc/include/stdint.h @@ -0,0 +1,110 @@ +/* + * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _STDINT_H +#define _STDINT_H + +#if defined(__cplusplus) +extern "C" { +#endif + +#if defined(__GNUC__) && \ + ( (__GNUC__ >= 4) || \ + ( (__GNUC__ >= 3) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ > 2) ) ) +#define __STDINT_EXP(x) __##x##__ +#else +#define __STDINT_EXP(x) x +#include <limits.h> +#endif + +#if __STDINT_EXP(SCHAR_MAX) == 0x7f +typedef signed char int8_t ; +typedef unsigned char uint8_t ; +#define __int8_t_defined 1 +#endif + +#if __STDINT_EXP(SHRT_MAX) == 0x7fff +typedef signed short int16_t; +typedef unsigned short uint16_t; +#define __int16_t_defined 1 +#elif __STDINT_EXP(INT_MAX) == 0x7fff +typedef signed int int16_t; +typedef unsigned int uint16_t; +#define __int16_t_defined 1 +#elif __STDINT_EXP(SCHAR_MAX) == 0x7fff +typedef signed char int16_t; +typedef unsigned char uint16_t; +#define __int16_t_defined 1 +#endif + +#if __have_long32 +typedef signed long int32_t; +typedef unsigned long uint32_t; +#define __int32_t_defined 1 +#elif __STDINT_EXP(INT_MAX) == 0x7fffffffL +typedef signed int int32_t; +typedef unsigned int uint32_t; +#define __int32_t_defined 1 +#elif __STDINT_EXP(SHRT_MAX) == 0x7fffffffL +typedef signed short int32_t; +typedef unsigned short uint32_t; +#define __int32_t_defined 1 +#elif __STDINT_EXP(SCHAR_MAX) == 0x7fffffffL +typedef signed char int32_t; +typedef unsigned char uint32_t; +#define __int32_t_defined 1 +#endif + +#if __SIZEOF_SIZE_T__ == 8 +typedef unsigned long long uint64_t; +#endif + +#if defined(__PTRDIFF_TYPE__) +typedef signed __PTRDIFF_TYPE__ intptr_t; +typedef unsigned __PTRDIFF_TYPE__ uintptr_t; +#define INTPTR_MAX PTRDIFF_MAX +#define INTPTR_MIN PTRDIFF_MIN +#ifdef __UINTPTR_MAX__ +#define UINTPTR_MAX __UINTPTR_MAX__ +#else +#define UINTPTR_MAX (2UL * PTRDIFF_MAX + 1) +#endif +#else +typedef signed long intptr_t; +typedef unsigned long uintptr_t; +#define INTPTR_MAX __STDINT_EXP(LONG_MAX) +#define INTPTR_MIN (-__STDINT_EXP(LONG_MAX) - 1) +#define UINTPTR_MAX (__STDINT_EXP(LONG_MAX) * 2UL + 1) +#endif + +#if defined(__cplusplus) +} +#endif + +#endif /* !_STDINT_H */ diff --git a/lib/libc/include/sys/syscall.h b/lib/libc/include/sys/syscall.h new file mode 100644 index 0000000..b5e5fc2 --- /dev/null +++ b/lib/libc/include/sys/syscall.h @@ -0,0 +1,117 @@ +/* + * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SYS_SYSCALL_H +#define _SYS_SYSCALL_H + +#if !defined(__ASSEMBLER__) +#include <stdint.h> +#endif + +#define SYS_debug 0 +#define SYS_exit 1 + +#if !defined(__ASSEMBLER__) +__attribute__((__always_inline__)) +static inline long +syscall0(uint64_t code) +{ + volatile long ret; + asm volatile("int $0x80" : "=a"(ret) : "a"(code)); + return ret; +} + +__attribute__((__always_inline__)) +static inline long +syscall1(uint64_t code, uint64_t arg0) +{ + volatile long ret; + asm volatile("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0) : "memory"); + return ret; +} + +__attribute__((__always_inline__)) +static long inline +syscall2(uint64_t code, uint64_t arg0, uint64_t arg1) +{ + volatile long ret; + asm volatile("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0), "S"(arg1) : "memory"); + return ret; +} + +__attribute__((__always_inline__)) +static inline long +syscall3(uint64_t code, uint64_t arg0, uint64_t arg1, uint64_t arg2) +{ + volatile long ret; + asm volatile("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0), "S"(arg1), "d"(arg2) : "memory"); + return ret; +} + +__attribute__((__always_inline__)) +static inline long +syscall4(uint64_t code, uint64_t arg0, uint64_t arg1, uint64_t arg2, uint64_t arg3) +{ + volatile long ret; + register uint64_t _arg3 asm("r10") = arg3; + asm volatile("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0), "S"(arg1), "d"(arg2), "r"(_arg3) : "memory"); + return ret; +} + +__attribute__((__always_inline__)) +static inline long +syscall5(uint64_t code, uint64_t arg0, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4) +{ + volatile long ret; + register uint64_t _arg3 asm("r10") = arg3; + register uint64_t _arg4 asm("r9") = arg4; + asm volatile("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0), "S"(arg1), "d"(arg2), "r"(_arg3), "r"(_arg4) : "memory"); + return ret; +} + +__attribute__((__always_inline__)) +static inline long +syscall6(uint64_t code, uint64_t arg0, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5) { + volatile long ret; + register uint64_t _arg3 asm("r10") = arg3; + register uint64_t _arg4 asm("r9") = arg4; + register uint64_t _arg5 asm("r8") = arg5; + asm volatile("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0), "S"(arg1), "d"(arg2), "r"(_arg3), "r"(_arg4), "r"(_arg5) : "memory"); + return ret; +} + +#define _SYSCALL_N(a0, a1, a2, a3, a4, a5, a6, name, ...) \ + name + +#define syscall(...) \ +_SYSCALL_N(__VA_ARGS__, syscall6, syscall5, \ + syscall4, syscall3, syscall2, syscall1, \ + syscall0)(__VA_ARGS__) +#endif /* !defined(__ASSEMBLER__) */ +#endif /* !_SYS_SYSCALL_H */ |