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Differential D39254

share/misc/committers-doc.dot: Add myself
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Authored by salvadore on Mar 24 2023, 11:59 AM.
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Reviewers
carlavilla
dbaio
Commits
rGa756181cea9e: share/misc/committers-doc.dot: Add myself
Summary

Add myself as a doc committer, mentored by carlavilla and dbaio.

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Repository
rG FreeBSD src repository
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Lint Passed
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No Test Coverage
Build Status
Buildable 50566
Build 47457: arc lint + arc unit

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share/
misc/
4 lines

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share/misc/committers-doc.dot

Show First 20 Lines • Show All 45 Lines • ▼ Show 20 Lines
#include "rtld.h" #include "rtld.h"
#ifdef __mips_n64 #ifdef __mips_n64
#define GOT1_MASK 0x8000000000000000UL #define GOT1_MASK 0x8000000000000000UL
#else #else
#define GOT1_MASK 0x80000000UL #define GOT1_MASK 0x80000000UL
#endif #endif
/*
* Determine if the second GOT entry is reserved for rtld or if it is
* the first "real" GOT entry.
*
* This must be a macro rather than a function so that
* _rtld_relocate_nonplt_self doesn't trigger a GOT invocation trying
* to use it before the local GOT entries in rtld are adjusted.
*/
#ifdef __mips_n64
/* Old binutils uses the 32-bit GOT1 mask value for N64. */
#define GOT1_RESERVED_FOR_RTLD(got) \
(((got)[1] == 0x80000000) || (got)[1] & GOT1_MASK)
#else
#define GOT1_RESERVED_FOR_RTLD(got) ((got)[1] & GOT1_MASK)
#endif
void void
init_pltgot(Obj_Entry *obj) init_pltgot(Obj_Entry *obj)
{ {
if (obj->pltgot != NULL) { if (obj->pltgot != NULL) {
obj->pltgot[0] = (Elf_Addr) &_rtld_bind_start; obj->pltgot[0] = (Elf_Addr) &_rtld_bind_start;
if (obj->pltgot[1] & 0x80000000) if (GOT1_RESERVED_FOR_RTLD(obj->pltgot))
obj->pltgot[1] = (Elf_Addr) obj | GOT1_MASK; obj->pltgot[1] = (Elf_Addr) obj | GOT1_MASK;
} }
} }
int int
do_copy_relocations(Obj_Entry *dstobj) do_copy_relocations(Obj_Entry *dstobj)
{ {
/* Do nothing */ /* Do nothing */
▲ Show 20 Lines • Show All 102 Lines • ▼ Show 20 Lines case DT_MIPS_SYMTABNO:
symtabno = dynp->d_un.d_val; symtabno = dynp->d_un.d_val;
break; break;
case DT_MIPS_GOTSYM: case DT_MIPS_GOTSYM:
gotsym = dynp->d_un.d_val; gotsym = dynp->d_un.d_val;
break; break;
} }
} }
i = (got[1] & GOT1_MASK) ? 2 : 1; i = GOT1_RESERVED_FOR_RTLD(got) ? 2 : 1;
/* Relocate the local GOT entries */ /* Relocate the local GOT entries */
got += i; got += i;
for (; i < local_gotno; i++) { for (; i < local_gotno; i++) {
*got++ += relocbase; *got++ += relocbase;
} }
sym = symtab + gotsym; sym = symtab + gotsym;
/* Now do the global GOT entries */ /* Now do the global GOT entries */
▲ Show 20 Lines • Show All 102 Lines • ▼ Show 20 Lines#ifdef SUPPORT_OLD_BROKEN_LD
broken = 0; broken = 0;
sym = obj->symtab; sym = obj->symtab;
for (i = 1; i < 12; i++) for (i = 1; i < 12; i++)
if (sym[i].st_info == ELF_ST_INFO(STB_LOCAL, STT_NOTYPE)) if (sym[i].st_info == ELF_ST_INFO(STB_LOCAL, STT_NOTYPE))
broken = 1; broken = 1;
dbg("%s: broken=%d", obj->path, broken); dbg("%s: broken=%d", obj->path, broken);
#endif #endif
i = (got[1] & GOT1_MASK) ? 2 : 1; i = GOT1_RESERVED_FOR_RTLD(got) ? 2 : 1;
/* Relocate the local GOT entries */ /* Relocate the local GOT entries */
got += i; got += i;
dbg("got:%p for %d entries adding %p", dbg("got:%p for %d entries adding %p",
got, obj->local_gotno, obj->relocbase); got, obj->local_gotno, obj->relocbase);
for (; i < obj->local_gotno; i++) { for (; i < obj->local_gotno; i++) {
*got += (Elf_Addr)obj->relocbase; *got += (Elf_Addr)obj->relocbase;
got++; got++;
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