diff options
author | midipix <writeonce@midipix.org> | 2024-01-29 01:35:08 +0000 |
---|---|---|
committer | midipix <writeonce@midipix.org> | 2024-01-29 01:35:08 +0000 |
commit | dc33d486a5720a60971a859e42cdca2cb34d9203 (patch) | |
tree | 7a9829591769af337ddb0578a97d872c81d34593 /src | |
parent | 5658dae4619c35811b2290724e040988f95917dd (diff) | |
download | slibtool-dc33d486a5720a60971a859e42cdca2cb34d9203.tar.bz2 slibtool-dc33d486a5720a60971a859e42cdca2cb34d9203.tar.xz |
slbt_ar_parse_primary_armap_bsd_64(): move to own translation unit.
Diffstat (limited to 'src')
-rw-r--r-- | src/arbits/slbt_archive_meta.c | 144 | ||||
-rw-r--r-- | src/arbits/slbt_armap_bsd_64.c | 160 | ||||
-rw-r--r-- | src/internal/slibtool_ar_impl.h | 4 |
3 files changed, 164 insertions, 144 deletions
diff --git a/src/arbits/slbt_archive_meta.c b/src/arbits/slbt_archive_meta.c index fcc3f2f..9aaf6ee 100644 --- a/src/arbits/slbt_archive_meta.c +++ b/src/arbits/slbt_archive_meta.c @@ -229,150 +229,6 @@ static uint32_t slbt_ar_get_member_attr(struct ar_meta_member_info * m) return AR_MEMBER_ATTR_DEFAULT; } -static int slbt_ar_parse_primary_armap_bsd_64( - const struct slbt_driver_ctx * dctx, - struct slbt_archive_meta_impl * m) -{ - struct ar_raw_armap_bsd_64 * armap; - struct ar_meta_member_info * memberp; - struct ar_meta_armap_common_64 *armapref; - struct ar_meta_armap_ref_64 * symrefs; - uint64_t idx; - uint64_t uref_hi; - uint64_t uref_lo; - uint32_t attr; - uint64_t u64_lo; - uint64_t u64_hi; - uint64_t nsyms; - uint64_t nstrs; - uint64_t sizeofrefs_le; - uint64_t sizeofrefs_be; - uint64_t sizeofrefs; - uint64_t sizeofstrs; - const char * ch; - const char * cap; - unsigned char * uch; - unsigned char (*mark)[0x08]; - - armap = &m->armaps.armap_bsd_64; - memberp = m->memberv[0]; - - mark = memberp->ar_object_data; - - armap->ar_size_of_refs = mark; - uch = *mark++; - - armap->ar_first_name_offset = mark; - - u64_lo = (uch[3] << 24) + (uch[2] << 16) + (uch[1] << 8) + uch[0]; - u64_hi = (uch[7] << 24) + (uch[6] << 16) + (uch[5] << 8) + uch[4]; - - sizeofrefs_le = u64_lo + (u64_hi << 32); - - u64_hi = (uch[0] << 24) + (uch[1] << 16) + (uch[2] << 8) + uch[3]; - u64_lo = (uch[4] << 24) + (uch[5] << 16) + (uch[6] << 8) + uch[7]; - - sizeofrefs_be = (u64_hi << 32) + u64_lo; - - if (sizeofrefs_le < memberp->ar_object_size - sizeof(*mark)) { - sizeofrefs = sizeofrefs_le; - attr = AR_ARMAP_ATTR_LE_64; - - } else if (sizeofrefs_be < memberp->ar_object_size - sizeof(*mark)) { - sizeofrefs = sizeofrefs_be; - attr = AR_ARMAP_ATTR_BE_64; - } else { - return SLBT_CUSTOM_ERROR( - dctx, - SLBT_ERR_AR_INVALID_ARMAP_SIZE_OF_REFS); - } - - nsyms = sizeofrefs / sizeof(struct ar_raw_armap_ref_64); - mark += (sizeofrefs / sizeof(*mark)); - - armap->ar_size_of_strs = mark; - uch = *mark++; - - if (attr == AR_ARMAP_ATTR_LE_64) { - u64_lo = (uch[3] << 24) + (uch[2] << 16) + (uch[1] << 8) + uch[0]; - u64_hi = (uch[7] << 24) + (uch[6] << 16) + (uch[5] << 8) + uch[4]; - } else { - u64_hi = (uch[0] << 24) + (uch[1] << 16) + (uch[2] << 8) + uch[3]; - u64_lo = (uch[4] << 24) + (uch[5] << 16) + (uch[6] << 8) + uch[7]; - } - - sizeofstrs = u64_lo + (u64_hi << 32); - m->symstrs = (const char *)mark; - - cap = m->symstrs; - cap += sizeofstrs; - - if ((cap == m->symstrs) && nsyms) - return SLBT_CUSTOM_ERROR( - dctx, - SLBT_ERR_AR_INVALID_ARMAP_STRING_TABLE); - - if (nsyms && !m->symstrs[0]) - return SLBT_CUSTOM_ERROR( - dctx, - SLBT_ERR_AR_INVALID_ARMAP_STRING_TABLE); - - for (ch=&m->symstrs[1],nstrs=0; ch<cap; ch++) { - if (!ch[0] && !ch[-1] && (nstrs < nsyms)) - return SLBT_CUSTOM_ERROR( - dctx, - SLBT_ERR_AR_INVALID_ARMAP_STRING_TABLE); - - if (!ch[0] && ch[-1] && (nstrs < nsyms)) - nstrs++; - } - - if (nstrs != nsyms) - return SLBT_CUSTOM_ERROR( - dctx, - SLBT_ERR_AR_INVALID_ARMAP_STRING_TABLE); - - if (!(m->symstrv = calloc(nsyms + 1,sizeof(const char *)))) - return SLBT_SYSTEM_ERROR(dctx,0); - - if (!(m->armaps.armap_symrefs_64 = calloc(nsyms + 1,sizeof(*symrefs)))) - return SLBT_SYSTEM_ERROR(dctx,0); - - mark = armap->ar_first_name_offset; - symrefs = m->armaps.armap_symrefs_64; - - for (idx=0,uch=*++mark; idx<nsyms; idx++,uch=*++mark) { - if (attr == AR_ARMAP_ATTR_BE_64) { - uref_hi = (uch[0] << 24) + (uch[1] << 16) + (uch[2] << 8) + uch[3]; - uref_lo = (uch[4] << 24) + (uch[5] << 16) + (uch[6] << 8) + uch[7]; - } else { - uref_lo = (uch[3] << 24) + (uch[2] << 16) + (uch[1] << 8) + uch[0]; - uref_hi = (uch[7] << 24) + (uch[6] << 16) + (uch[5] << 8) + uch[4]; - } - - symrefs[idx].ar_member_offset = (uref_hi << 32) + uref_lo; - mark++; - } - - armap->ar_string_table = m->symstrv; - - armapref = &m->armaps.armap_common_64; - armapref->ar_member = memberp; - armapref->ar_symrefs = symrefs; - armapref->ar_armap_bsd = armap; - armapref->ar_armap_attr = AR_ARMAP_ATTR_BSD | attr; - armapref->ar_num_of_symbols = nsyms; - armapref->ar_size_of_refs = sizeofrefs; - armapref->ar_size_of_strs = sizeofstrs; - armapref->ar_string_table = m->symstrs; - - m->armaps.armap_nsyms = nsyms; - - m->armeta.a_armap_primary.ar_armap_common_64 = armapref; - - return 0; -} - static int slbt_ar_parse_primary_armap_sysv_32( const struct slbt_driver_ctx * dctx, struct slbt_archive_meta_impl * m) diff --git a/src/arbits/slbt_armap_bsd_64.c b/src/arbits/slbt_armap_bsd_64.c new file mode 100644 index 0000000..b7b7d6d --- /dev/null +++ b/src/arbits/slbt_armap_bsd_64.c @@ -0,0 +1,160 @@ +/*******************************************************************/ +/* slibtool: a skinny libtool implementation, written in C */ +/* Copyright (C) 2016--2024 SysDeer Technologies, LLC */ +/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */ +/*******************************************************************/ + +#include <stdint.h> +#include <stddef.h> +#include <stdlib.h> +#include <string.h> + +#include <slibtool/slibtool.h> +#include <slibtool/slibtool_arbits.h> +#include "slibtool_ar_impl.h" +#include "slibtool_driver_impl.h" +#include "slibtool_errinfo_impl.h" + +int slbt_ar_parse_primary_armap_bsd_64( + const struct slbt_driver_ctx * dctx, + struct slbt_archive_meta_impl * m) +{ + struct ar_raw_armap_bsd_64 * armap; + struct ar_meta_member_info * memberp; + struct ar_meta_armap_common_64 *armapref; + struct ar_meta_armap_ref_64 * symrefs; + uint64_t idx; + uint64_t uref_hi; + uint64_t uref_lo; + uint32_t attr; + uint64_t u64_lo; + uint64_t u64_hi; + uint64_t nsyms; + uint64_t nstrs; + uint64_t sizeofrefs_le; + uint64_t sizeofrefs_be; + uint64_t sizeofrefs; + uint64_t sizeofstrs; + const char * ch; + const char * cap; + unsigned char * uch; + unsigned char (*mark)[0x08]; + + armap = &m->armaps.armap_bsd_64; + memberp = m->memberv[0]; + + mark = memberp->ar_object_data; + + armap->ar_size_of_refs = mark; + uch = *mark++; + + armap->ar_first_name_offset = mark; + + u64_lo = (uch[3] << 24) + (uch[2] << 16) + (uch[1] << 8) + uch[0]; + u64_hi = (uch[7] << 24) + (uch[6] << 16) + (uch[5] << 8) + uch[4]; + + sizeofrefs_le = u64_lo + (u64_hi << 32); + + u64_hi = (uch[0] << 24) + (uch[1] << 16) + (uch[2] << 8) + uch[3]; + u64_lo = (uch[4] << 24) + (uch[5] << 16) + (uch[6] << 8) + uch[7]; + + sizeofrefs_be = (u64_hi << 32) + u64_lo; + + if (sizeofrefs_le < memberp->ar_object_size - sizeof(*mark)) { + sizeofrefs = sizeofrefs_le; + attr = AR_ARMAP_ATTR_LE_64; + + } else if (sizeofrefs_be < memberp->ar_object_size - sizeof(*mark)) { + sizeofrefs = sizeofrefs_be; + attr = AR_ARMAP_ATTR_BE_64; + } else { + return SLBT_CUSTOM_ERROR( + dctx, + SLBT_ERR_AR_INVALID_ARMAP_SIZE_OF_REFS); + } + + nsyms = sizeofrefs / sizeof(struct ar_raw_armap_ref_64); + mark += (sizeofrefs / sizeof(*mark)); + + armap->ar_size_of_strs = mark; + uch = *mark++; + + if (attr == AR_ARMAP_ATTR_LE_64) { + u64_lo = (uch[3] << 24) + (uch[2] << 16) + (uch[1] << 8) + uch[0]; + u64_hi = (uch[7] << 24) + (uch[6] << 16) + (uch[5] << 8) + uch[4]; + } else { + u64_hi = (uch[0] << 24) + (uch[1] << 16) + (uch[2] << 8) + uch[3]; + u64_lo = (uch[4] << 24) + (uch[5] << 16) + (uch[6] << 8) + uch[7]; + } + + sizeofstrs = u64_lo + (u64_hi << 32); + m->symstrs = (const char *)mark; + + cap = m->symstrs; + cap += sizeofstrs; + + if ((cap == m->symstrs) && nsyms) + return SLBT_CUSTOM_ERROR( + dctx, + SLBT_ERR_AR_INVALID_ARMAP_STRING_TABLE); + + if (nsyms && !m->symstrs[0]) + return SLBT_CUSTOM_ERROR( + dctx, + SLBT_ERR_AR_INVALID_ARMAP_STRING_TABLE); + + for (ch=&m->symstrs[1],nstrs=0; ch<cap; ch++) { + if (!ch[0] && !ch[-1] && (nstrs < nsyms)) + return SLBT_CUSTOM_ERROR( + dctx, + SLBT_ERR_AR_INVALID_ARMAP_STRING_TABLE); + + if (!ch[0] && ch[-1] && (nstrs < nsyms)) + nstrs++; + } + + if (nstrs != nsyms) + return SLBT_CUSTOM_ERROR( + dctx, + SLBT_ERR_AR_INVALID_ARMAP_STRING_TABLE); + + if (!(m->symstrv = calloc(nsyms + 1,sizeof(const char *)))) + return SLBT_SYSTEM_ERROR(dctx,0); + + if (!(m->armaps.armap_symrefs_64 = calloc(nsyms + 1,sizeof(*symrefs)))) + return SLBT_SYSTEM_ERROR(dctx,0); + + mark = armap->ar_first_name_offset; + symrefs = m->armaps.armap_symrefs_64; + + for (idx=0,uch=*++mark; idx<nsyms; idx++,uch=*++mark) { + if (attr == AR_ARMAP_ATTR_BE_64) { + uref_hi = (uch[0] << 24) + (uch[1] << 16) + (uch[2] << 8) + uch[3]; + uref_lo = (uch[4] << 24) + (uch[5] << 16) + (uch[6] << 8) + uch[7]; + } else { + uref_lo = (uch[3] << 24) + (uch[2] << 16) + (uch[1] << 8) + uch[0]; + uref_hi = (uch[7] << 24) + (uch[6] << 16) + (uch[5] << 8) + uch[4]; + } + + symrefs[idx].ar_member_offset = (uref_hi << 32) + uref_lo; + mark++; + } + + armap->ar_string_table = m->symstrv; + + armapref = &m->armaps.armap_common_64; + armapref->ar_member = memberp; + armapref->ar_symrefs = symrefs; + armapref->ar_armap_bsd = armap; + armapref->ar_armap_attr = AR_ARMAP_ATTR_BSD | attr; + armapref->ar_num_of_symbols = nsyms; + armapref->ar_size_of_refs = sizeofrefs; + armapref->ar_size_of_strs = sizeofstrs; + armapref->ar_string_table = m->symstrs; + + m->armaps.armap_nsyms = nsyms; + + m->armeta.a_armap_primary.ar_armap_common_64 = armapref; + + return 0; +} diff --git a/src/internal/slibtool_ar_impl.h b/src/internal/slibtool_ar_impl.h index 4b34abd..7530a0a 100644 --- a/src/internal/slibtool_ar_impl.h +++ b/src/internal/slibtool_ar_impl.h @@ -50,6 +50,10 @@ int slbt_ar_parse_primary_armap_bsd_32( const struct slbt_driver_ctx * dctx, struct slbt_archive_meta_impl * m); +int slbt_ar_parse_primary_armap_bsd_64( + const struct slbt_driver_ctx * dctx, + struct slbt_archive_meta_impl * m); + static inline struct slbt_archive_meta_impl * slbt_archive_meta_ictx(const struct slbt_archive_meta * meta) { uintptr_t addr; |