1466 ssize_t shsize;
1467 char *shstrbase;
1468 ssize_t shstrsize;
1469
1470 Shdr *shdr;
1471 const char *name;
1472 size_t sz;
1473 uintptr_t off;
1474
1475 int ctf_ndx = 0;
1476 int symtab_ndx = 0;
1477
1478 /*
1479 * Since we're just looking for text segments of load
1480 * objects, we only care about the protection bits; we don't
1481 * care about the actual size of the segment so we use the
1482 * reserved size. If the segment's size is zero, there's
1483 * something fishy going on so we ignore this segment.
1484 */
1485 if (seg->s_ops != &segvn_ops ||
1486 SEGOP_GETVP(seg, seg->s_base, &mvp) != 0 ||
1487 mvp == lastvp || mvp == NULL || mvp->v_type != VREG ||
1488 (segsize = pr_getsegsize(seg, 1)) == 0)
1489 continue;
1490
1491 eaddr = saddr + segsize;
1492 prot = pr_getprot(seg, 1, &tmp, &saddr, &naddr, eaddr);
1493 pr_getprot_done(&tmp);
1494
1495 /*
1496 * Skip this segment unless the protection bits look like
1497 * what we'd expect for a text segment.
1498 */
1499 if ((prot & (PROT_WRITE | PROT_EXEC)) != PROT_EXEC)
1500 continue;
1501
1502 if (getelfhead(mvp, credp, &ehdr, &nshdrs, &shstrndx,
1503 &nphdrs) != 0 ||
1504 getelfshdr(mvp, credp, &ehdr, nshdrs, shstrndx,
1505 &shbase, &shsize, &shstrbase, &shstrsize) != 0)
1506 continue;
1897 prot &= PROT_READ | PROT_WRITE | PROT_EXEC;
1898 if ((size = (size_t)(naddr - saddr)) == 0)
1899 continue;
1900 if (i == nphdrs) {
1901 overflow++;
1902 continue;
1903 }
1904 v[i].p_type = PT_LOAD;
1905 v[i].p_vaddr = (Addr)(uintptr_t)saddr;
1906 v[i].p_memsz = size;
1907 if (prot & PROT_READ)
1908 v[i].p_flags |= PF_R;
1909 if (prot & PROT_WRITE)
1910 v[i].p_flags |= PF_W;
1911 if (prot & PROT_EXEC)
1912 v[i].p_flags |= PF_X;
1913
1914 /*
1915 * Figure out which mappings to include in the core.
1916 */
1917 type = SEGOP_GETTYPE(seg, saddr);
1918
1919 if (saddr == stkbase && size == stksize) {
1920 if (!(content & CC_CONTENT_STACK))
1921 goto exclude;
1922
1923 } else if (saddr == brkbase && size == brksize) {
1924 if (!(content & CC_CONTENT_HEAP))
1925 goto exclude;
1926
1927 } else if (seg->s_ops == &segspt_shmops) {
1928 if (type & MAP_NORESERVE) {
1929 if (!(content & CC_CONTENT_DISM))
1930 goto exclude;
1931 } else {
1932 if (!(content & CC_CONTENT_ISM))
1933 goto exclude;
1934 }
1935
1936 } else if (seg->s_ops != &segvn_ops) {
1937 goto exclude;
1938
1939 } else if (type & MAP_SHARED) {
1940 if (shmgetid(p, saddr) != SHMID_NONE) {
1941 if (!(content & CC_CONTENT_SHM))
1942 goto exclude;
1943
1944 } else if (SEGOP_GETVP(seg, seg->s_base,
1945 &mvp) != 0 || mvp == NULL ||
1946 mvp->v_type != VREG) {
1947 if (!(content & CC_CONTENT_SHANON))
1948 goto exclude;
1949
1950 } else {
1951 if (!(content & CC_CONTENT_SHFILE))
1952 goto exclude;
1953 }
1954
1955 } else if (SEGOP_GETVP(seg, seg->s_base, &mvp) != 0 ||
1956 mvp == NULL || mvp->v_type != VREG) {
1957 if (!(content & CC_CONTENT_ANON))
1958 goto exclude;
1959
1960 } else if (prot == (PROT_READ | PROT_EXEC)) {
1961 if (!(content & CC_CONTENT_TEXT))
1962 goto exclude;
1963
1964 } else if (prot == PROT_READ) {
1965 if (!(content & CC_CONTENT_RODATA))
1966 goto exclude;
1967
1968 } else {
1969 if (!(content & CC_CONTENT_DATA))
1970 goto exclude;
1971 }
1972
1973 doffset = roundup(doffset, sizeof (Word));
1974 v[i].p_offset = doffset;
1975 v[i].p_filesz = size;
|
1466 ssize_t shsize;
1467 char *shstrbase;
1468 ssize_t shstrsize;
1469
1470 Shdr *shdr;
1471 const char *name;
1472 size_t sz;
1473 uintptr_t off;
1474
1475 int ctf_ndx = 0;
1476 int symtab_ndx = 0;
1477
1478 /*
1479 * Since we're just looking for text segments of load
1480 * objects, we only care about the protection bits; we don't
1481 * care about the actual size of the segment so we use the
1482 * reserved size. If the segment's size is zero, there's
1483 * something fishy going on so we ignore this segment.
1484 */
1485 if (seg->s_ops != &segvn_ops ||
1486 segop_getvp(seg, seg->s_base, &mvp) != 0 ||
1487 mvp == lastvp || mvp == NULL || mvp->v_type != VREG ||
1488 (segsize = pr_getsegsize(seg, 1)) == 0)
1489 continue;
1490
1491 eaddr = saddr + segsize;
1492 prot = pr_getprot(seg, 1, &tmp, &saddr, &naddr, eaddr);
1493 pr_getprot_done(&tmp);
1494
1495 /*
1496 * Skip this segment unless the protection bits look like
1497 * what we'd expect for a text segment.
1498 */
1499 if ((prot & (PROT_WRITE | PROT_EXEC)) != PROT_EXEC)
1500 continue;
1501
1502 if (getelfhead(mvp, credp, &ehdr, &nshdrs, &shstrndx,
1503 &nphdrs) != 0 ||
1504 getelfshdr(mvp, credp, &ehdr, nshdrs, shstrndx,
1505 &shbase, &shsize, &shstrbase, &shstrsize) != 0)
1506 continue;
1897 prot &= PROT_READ | PROT_WRITE | PROT_EXEC;
1898 if ((size = (size_t)(naddr - saddr)) == 0)
1899 continue;
1900 if (i == nphdrs) {
1901 overflow++;
1902 continue;
1903 }
1904 v[i].p_type = PT_LOAD;
1905 v[i].p_vaddr = (Addr)(uintptr_t)saddr;
1906 v[i].p_memsz = size;
1907 if (prot & PROT_READ)
1908 v[i].p_flags |= PF_R;
1909 if (prot & PROT_WRITE)
1910 v[i].p_flags |= PF_W;
1911 if (prot & PROT_EXEC)
1912 v[i].p_flags |= PF_X;
1913
1914 /*
1915 * Figure out which mappings to include in the core.
1916 */
1917 type = segop_gettype(seg, saddr);
1918
1919 if (saddr == stkbase && size == stksize) {
1920 if (!(content & CC_CONTENT_STACK))
1921 goto exclude;
1922
1923 } else if (saddr == brkbase && size == brksize) {
1924 if (!(content & CC_CONTENT_HEAP))
1925 goto exclude;
1926
1927 } else if (seg->s_ops == &segspt_shmops) {
1928 if (type & MAP_NORESERVE) {
1929 if (!(content & CC_CONTENT_DISM))
1930 goto exclude;
1931 } else {
1932 if (!(content & CC_CONTENT_ISM))
1933 goto exclude;
1934 }
1935
1936 } else if (seg->s_ops != &segvn_ops) {
1937 goto exclude;
1938
1939 } else if (type & MAP_SHARED) {
1940 if (shmgetid(p, saddr) != SHMID_NONE) {
1941 if (!(content & CC_CONTENT_SHM))
1942 goto exclude;
1943
1944 } else if (segop_getvp(seg, seg->s_base,
1945 &mvp) != 0 || mvp == NULL ||
1946 mvp->v_type != VREG) {
1947 if (!(content & CC_CONTENT_SHANON))
1948 goto exclude;
1949
1950 } else {
1951 if (!(content & CC_CONTENT_SHFILE))
1952 goto exclude;
1953 }
1954
1955 } else if (segop_getvp(seg, seg->s_base, &mvp) != 0 ||
1956 mvp == NULL || mvp->v_type != VREG) {
1957 if (!(content & CC_CONTENT_ANON))
1958 goto exclude;
1959
1960 } else if (prot == (PROT_READ | PROT_EXEC)) {
1961 if (!(content & CC_CONTENT_TEXT))
1962 goto exclude;
1963
1964 } else if (prot == PROT_READ) {
1965 if (!(content & CC_CONTENT_RODATA))
1966 goto exclude;
1967
1968 } else {
1969 if (!(content & CC_CONTENT_DATA))
1970 goto exclude;
1971 }
1972
1973 doffset = roundup(doffset, sizeof (Word));
1974 v[i].p_offset = doffset;
1975 v[i].p_filesz = size;
|